/*==============================================
  AI-Освіта Base CSS
  Базові токени, компоненти та безпечні shared-правила для AI-інструментів.
================================================*/
/*==============================================
  AI-Освіта Base CSS (Minimal)
  Стандартизовані токени та компоненти
================================================*/



.aio-tool {
  container-type: inline-size;
  container-name: aio-tool;
  /* Colors */
  --color-primary: #2f57ef;
  --color-secondary: #b966e7;
  --color-coral: #E9967A;
  --color-violet: #800080;
  --color-pink: #DB7093;
  --color-heading: #192335;
  --color-body: #6b7385;
  --color-white: #ffffff;
  --color-light: #F5F7FA;
  --color-border: #e6e3f1;
  --color-success: #3EB75E;
  --color-danger: #cf2e2e;
  --color-warning: #fcb900;
  --color-dark: #27272E;

  /* Opacities (13% alpha) */
  --primary-opacity: rgba(47, 87, 239, 0.13);
  --secondary-opacity: rgba(185, 102, 231, 0.13);
  --coral-opacity: rgba(233, 150, 122, 0.13);
  --violet-opacity: rgba(128, 0, 128, 0.13);
  --pink-opacity: rgba(219, 112, 147, 0.13);

  --success-opacity: rgba(62, 183, 94, 0.13);
  --danger-opacity: rgba(207, 46, 46, 0.13);
  --warning-opacity: rgba(252, 185, 0, 0.13);

  /* Shadows */
  --shadow-1: rgba(215, 216, 222, 0.41) 0px 6px 34px 0px;
  --shadow-input-focus: 0 0 0 3px rgba(47, 87, 239, 0.15);
  --shadow-card: rgba(215, 216, 222, 0.41) 0px 6px 34px 0px;
  --shadow-header: rgba(0, 0, 0, 0.05) 0px 20px 34px 0px;
  --shadow-input: rgba(129, 104, 145, 0.05) 0px 13px 14px 0px;
  --shadow-button-hover: 0px 15px 30px -2px rgba(0, 0, 0, 0.1);
  --shadow-toast: 0 var(--aio-space-2xs) var(--aio-space-lg) rgba(0,0,0,0.2);
  --shadow-modal: 0 var(--aio-space-10) var(--aio-space-3xl) rgba(0, 0, 0, 0.15);
  --shadow-dropdown: 0 15px 35px rgba(25, 35, 53, 0.08);
  --shadow-drawer: -8px 0 var(--aio-size-icon-sm) rgba(47, 87, 239, 0.08);
  --shadow-check: 0 1px var(--aio-space-3) rgba(0, 0, 0, 0.18);
  --shadow-badge: 0 var(--aio-space-2xs) var(--aio-space-10) rgba(0, 0, 0, 0.12);
  --shadow-preview-control: 0 var(--aio-space-2xs) var(--aio-space-sm) rgba(0,0,0,0.25);
  --shadow-lightbox: 0 var(--aio-space-2xl) 80px rgba(0,0,0,0.6);
  --aio-overlay-light-bg: color-mix(in srgb, var(--color-white) 85%, transparent);
  --aio-overlay-dark-bg: rgba(0, 0, 0, 0.5);
  --aio-backdrop-ink-bg: rgba(25, 35, 53, 0.4);

  
  --font-primary: 'Euclid Circular', 'Euclid Circular A', sans-serif;

  
  --font-size-display:  42px;  /* h1 сторінок WordPress                  */
  --font-size-headline: 26px;  
  --font-size-headline-tablet: 20px;
  --font-size-headline-mobile: 18px;
  --font-size-title:    20px;  /* h4 підзаголовки, назви блоків            */
  --font-size-body:     16px;  
  --font-size-body-sm:  14px;  
  --font-size-label:    12px;  /* мітки uppercase, теги, metadata          */
  --font-size-caption:  11px;  /* дрібна метаінформація, дати              */
  --font-size-badge:    10px;

  /* Застаріла назва → залишаємо для зворотньої сумісності */
  --font-size-b3: var(--font-size-body);

  /* Font weights */
  --font-weight-bold:     700;
  --font-weight-semibold: 600;
  --font-weight-medium:   500;
  --font-weight-regular:  400;

  
  --line-height-display:  1.07;  
  --line-height-headline: 1.30;  
  --line-height-title:    1.60;  
  --line-height-body:     1.69;  
  --line-height-label:    1.24;  
  --line-height-caption:  1.40;
  --line-height-tight:    1.20;
  --line-height-badge:    15px;
  --letter-spacing-badge: 0.5px;

  /* Застаріла назва → зворотня сумісність */
  --line-height-b3: var(--line-height-body);

  /* Spacing, sizing & radius */
  --aio-space-3xs: 2px;
  --aio-space-3: 3px;
  --aio-space-2xs: 4px;
  --aio-space-5: 5px;
  --aio-space-1xs: 6px;
  --aio-space-xs: 8px;
  --aio-space-10: 10px;
  --aio-space-sm: 12px;
  --aio-space-14: 14px;
  --aio-space-15: 15px;
  --aio-space-md: 16px;
  --aio-space-18: 18px;
  --aio-space-lg: 20px;
  --aio-space-xl: 24px;
  --aio-space-25: 25px;
  --aio-space-28: 28px;
  --aio-space-26: 26px;
  --aio-space-2xl: 30px;
  --aio-space-3xl: 40px;
  --aio-space-4xl: 64px;
  --aio-size-icon-xs: 28px;
  --aio-size-icon-sm: 32px;
  --aio-size-icon-md: 36px;
  --aio-size-icon-lg: 40px;
  --aio-size-icon-xl: 44px;
  --aio-size-button: 60px;
  --aio-size-button-sm: 45px;
  --aio-size-button-sm-line: 43px;
  --aio-size-button-outline-line: 42px;
  --aio-size-touch: 52px;
  --aio-size-field-min: 50px;
  --aio-size-textarea-min: 100px;
  --aio-size-textarea-mobile: 80px;
  --aio-size-textarea-mobile-min: 70px;
  --aio-input-py: 11px;
  --aio-input-px: 14px;
  --aio-button-px: 26px;
  --aio-button-sm-px: 22px;
  --aio-button-outline-px: 20px;
  --aio-focus-ring-size: var(--border-width-focus);
  --aio-width-container: 1200px;
  --aio-width-modal: 500px;
  --aio-width-modal-sm: 400px;
  --aio-width-history-panel: 320px;
  --border-width: 1px;
  --border-width-strong: 1.5px;
  --border-width-thick: 2px;
  --border-width-focus: 3px;
  --radius: 6px;
  --radius-pill: 9999px;
  --radius-circle: 50%;
  --opacity-disabled: 0.6;
  --opacity-muted: 0.55;
  --opacity-hidden: 0;
  --opacity-visible: 1;
  --opacity-subtle: 0.25;
  --opacity-soft: 0.7;
  --opacity-zoom-touch: 0.72;
  --opacity-hover-strong: 0.9;
  --opacity-emphasis: 0.85;
  --z-under: -1;
  --z-root: 0;
  --z-base: 1;
  --z-raised: 2;
  --z-decor: 3;
  --z-floating: 4;
  --z-popover-local: 5;
  --z-tooltip-local: 8;
  --z-top-local: 10;
  --z-sticky: 100;
  --z-dropdown: 110;
  --z-fixed-cta: 200;
  --z-fixed-control: 250;
  --z-fixed-control-menu: 251;
  --z-pronunciation-overlay: 999;
  --z-overlay: 9999;
  --z-modal: 10000;
  --z-banner: 10100;
  --z-editor-underlay: 99999;
  --z-editor-popover: 100000;
  --z-editor-menu: 100004;
  --z-editor-popup: 100005;
  --z-editor-tooltip: 100006;
  --duration-instant: 0s;
  --duration-micro: 150ms;
  --duration-micro-s: 0.15s;
  --duration-ui: 200ms;
  --duration-fast: 250ms;
  --duration-hover-scale: 256ms;
  --duration-medium: 260ms;
  --duration-medium-alt: 280ms;
  --duration-normal: 300ms;
  --duration-slow: 400ms;
  --duration-spin: 700ms;
  --duration-spin-fast: 0.8s;
  --duration-ring: 0.6s;
  --duration-progress: 1s;
  --duration-pulse-fast: 1s;
  --duration-pulse: 1.5s;
  --duration-dots: 1.6s;
  --duration-shimmer: 2s;
  --duration-banner: 2.4s;
  --duration-crossfade: 3s;
  --duration-aura: 3.2s;
  --transition-duration: 0.4s;
  --transition-timing: ease-in-out;
  --transition: var(--transition-timing); /* Backwards compatibility */
  --transition-default: var(--transition-duration) var(--transition-timing);
  --transition-fast: var(--duration-fast) var(--ease-out-premium);
  --transition-normal: var(--duration-normal) var(--ease-out-premium);
  --transition-ui: var(--duration-ui) ease-in-out;
  --ease-out-premium: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-standard: cubic-bezier(0.25, 1, 0.5, 1);

  /* Framework breakpoint standard: 380 xs, 480 mobile-sm, 575/600 compact, 639/640 mobile/tablet edge, 767/768 touch edge, 899/900 desktop split, 991/992 editor desktop, 1023 landscape, 1150/1200/1400 wide. CSS custom properties cannot drive @media/@container conditions reliably, so numeric query values remain intentional. */
}


.aio-tool *, .aio-tool *::before, .aio-tool *::after {
  box-sizing: border-box;
}



.aio-tool[hidden],
.aio-tool [hidden] {
  display: none !important;
}


/* Visually hidden but accessible to screen readers */
.aio-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.aio-tool a {
  color: var(--color-primary);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-default);
}

.aio-tool a::after {
  content: "";
  position: absolute;
  width: 100%;
  height: var(--aio-space-3xs);
  bottom: -2px;
  left: 0;
  background-color: currentcolor;
  transform: scaleX(0);
  transform-origin: right bottom;
  transition: transform var(--transition-default);
}

.aio-tool a:hover::after {
  transform-origin: left bottom;
  transform: scaleX(1);
}

.aio-tool a:hover {
  color: var(--color-primary);
}


/* Базова шкала заголовків — точно як на aiosvita.com.ua */
.aio-tool h1 {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-headline);
  letter-spacing: -0.02em;
  color: var(--color-heading);
  margin-top: 0;
  margin-bottom: var(--aio-space-lg);
}

.aio-tool h2,
.aio-tool h3 {
  font-size: var(--font-size-headline);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-headline);
  color: var(--color-heading);
  margin-top: 0;
  margin-bottom: var(--aio-space-md);
}

.aio-tool h4 {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-title);
  color: var(--color-heading);
  margin-top: 0;
  margin-bottom: var(--aio-space-sm);
}

.aio-tool h5,
.aio-tool h6 {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label);
  letter-spacing: var(--letter-spacing-badge);
  color: var(--color-heading);
  margin-top: 0;
  margin-bottom: var(--aio-space-xs);
}


.aio-tool p {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-body);
  color: var(--color-body);
  margin-top: 0;
  margin-bottom: var(--aio-space-md);
}

.aio-tool p:last-child {
  margin-bottom: 0;
}


/* Мітка (label): uppercase, var(--aio-space-sm), weight 600, letter-spacing */
.aio-tool .aio-label {
  display: block;
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-label);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-body);
}


.aio-tool .aio-body-sm {
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body);
  color: var(--color-body);
}

/* Дрібна метаінформація 11px */
.aio-tool .aio-caption {
  font-size: var(--font-size-caption);
  line-height: var(--line-height-caption);
  color: var(--color-body);
}

/* Subtitle Pill Tag Badge (e.g. "Про проєкт") */
.aio-tool .aio-subtitle {
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-badge);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-badge);
  text-transform: uppercase;
  display: inline-block;
  padding: var(--aio-space-10) var(--aio-space-lg);
  border-radius: var(--radius-pill);
  margin-bottom: var(--aio-space-15);
  text-decoration: none;
}

/* Adaptive typography */

@container aio-tool (min-width: 640px) and (max-width: 899px) {
  .aio-tool h1,
  .aio-tool .aio-headline { font-size: var(--font-size-headline-tablet); }  
  .aio-tool h2,
  .aio-tool h3 { font-size: var(--font-size-headline-tablet); }
}

/* Mobile (< 640px) */
@container aio-tool (max-width: 639px) {
  .aio-tool h1,
  .aio-tool .aio-headline { font-size: var(--font-size-headline-mobile); }  
  .aio-tool h2,
  .aio-tool h3 { font-size: var(--font-size-headline-mobile); }
  .aio-tool h4 { font-size: var(--font-size-body); }
}

/* Background Opacity Utility Classes */
.aio-tool .aio-bg-primary-opacity {
  background: var(--primary-opacity) !important;
  color: var(--color-primary) !important;
}
.aio-tool a.aio-bg-primary-opacity:hover,
.aio-tool button.aio-bg-primary-opacity:hover {
  background: var(--color-primary) !important;
  color: var(--color-white) !important;
}

.aio-tool .aio-bg-secondary-opacity {
  background: var(--secondary-opacity) !important;
  color: var(--color-secondary) !important;
}
.aio-tool a.aio-bg-secondary-opacity:hover,
.aio-tool button.aio-bg-secondary-opacity:hover {
  background: var(--color-secondary) !important;
  color: var(--color-white) !important;
}

.aio-tool .aio-bg-coral-opacity {
  background: var(--coral-opacity) !important;
  color: var(--color-coral) !important;
}
.aio-tool a.aio-bg-coral-opacity:hover,
.aio-tool button.aio-bg-coral-opacity:hover {
  background: var(--color-coral) !important;
  color: var(--color-white) !important;
}

.aio-tool .aio-bg-violet-opacity {
  background: var(--violet-opacity) !important;
  color: var(--color-violet) !important;
}
.aio-tool a.aio-bg-violet-opacity:hover,
.aio-tool button.aio-bg-violet-opacity:hover {
  background: var(--color-violet) !important;
  color: var(--color-white) !important;
}

.aio-tool .aio-bg-pink-opacity {
  background: var(--pink-opacity) !important;
  color: var(--color-pink) !important;
}
.aio-tool a.aio-bg-pink-opacity:hover,
.aio-tool button.aio-bg-pink-opacity:hover {
  background: var(--color-pink) !important;
  color: var(--color-white) !important;
}


.aio-tool .aio-button {
  background-image: linear-gradient(to right, var(--color-primary), var(--color-secondary), var(--color-secondary), var(--color-primary));
  background-size: 300% 100%;
  background-position: 0% 0%;
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 0 var(--aio-button-px);
  height: var(--aio-size-button);
  line-height: var(--aio-size-button);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-badge);
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--aio-space-xs);
  transition: background-color var(--transition-default), background-position var(--transition-default), border-color var(--transition-default), color var(--transition-default), box-shadow var(--transition-default), transform var(--transition-default);
  white-space: nowrap;
  font-family: inherit;
  text-decoration: none;
}

.aio-tool .aio-button:hover:not(:disabled) {
  background-position: 102% 0%;
  transform: translate3d(0, -2px, 0);
  box-shadow: var(--shadow-button-hover);
}

.aio-tool .aio-button:disabled {
  background-image: none !important;
  background-color: var(--color-border) !important;
  color: var(--color-body) !important;
  opacity: var(--opacity-disabled);
  cursor: not-allowed;
  box-shadow: none;
}

/* Small Button */
.aio-tool .aio-button.aio-button-sm {
  height: var(--aio-size-button-sm);
  line-height: var(--aio-size-button-sm-line);
  padding: 0 var(--aio-button-sm-px);
}

/* Ghost Button */
.aio-tool .aio-button.aio-button-ghost {
  background-image: none;
  background-color: var(--primary-opacity);
  color: var(--color-primary);
  box-shadow: none;
}

.aio-tool .aio-button.aio-button-ghost:hover:not(:disabled) {
  background-color: var(--color-secondary);
  color: var(--color-white);
  box-shadow: var(--shadow-button-hover);
}

/* Outline Button */
.aio-tool .aio-button.aio-button-outline {
  background: var(--color-white);
  color: var(--color-primary);
  border: var(--border-width) solid var(--color-primary); /* Adjusted from 0.741px for stability */
  border-radius: var(--radius);
  height: var(--aio-size-icon-xl);
  line-height: var(--aio-size-button-outline-line);
  padding: 0px var(--aio-space-lg);
}

.aio-tool .aio-button.aio-button-outline:hover:not(:disabled) {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Pill Button */
.aio-tool .aio-button.aio-button-pill {
  border-radius: var(--radius-pill);
}

/* Link Button */
.aio-tool .aio-button.aio-button-link {
  background: transparent;
  color: var(--color-heading);
  border-radius: 0;
  padding: 0;
  height: auto;
  line-height: normal;
}

.aio-tool .aio-button.aio-button-link:hover:not(:disabled) {
  color: var(--color-primary);
}

.aio-tool .aio-link {
  color: var(--color-heading);
  cursor: pointer;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out-premium);
}

.aio-tool .aio-link:hover,
.aio-tool .aio-link:focus-visible {
  color: var(--color-primary);
  text-decoration: none;
}

.aio-tool .aio-link--underline {
  display: inline-block;
  position: relative;
}

.aio-tool .aio-link--underline::after {
  position: absolute;
  content: "";
  left: auto;
  right: 0;
  bottom: 0;
  width: 0;
  height: var(--border-width-thick);
  background: currentColor;
  transition: width var(--duration-fast) var(--ease-out-premium);
}

.aio-tool .aio-link--underline:hover::after,
.aio-tool .aio-link--underline:focus-visible::after {
  left: 0;
  right: auto;
  width: 100%;
}

.aio-tool .aio-button--switch,
.aio-tool .aio-button--marquee {
  overflow: hidden;
}

.aio-tool .aio-button--switch .aio-button-text,
.aio-tool .aio-button--marquee .aio-button-text {
  display: inline-flex;
  position: relative;
  z-index: var(--z-content);
}

.aio-tool .aio-button--switch .aio-button-text {
  transition:
    opacity 650ms cubic-bezier(0.15, 0.85, 0.31, 1),
    transform 850ms var(--ease-out-premium);
}

.aio-tool .aio-button--switch .aio-button-text::after,
.aio-tool .aio-button--marquee .aio-button-text::after {
  content: attr(data-text);
  position: absolute;
  white-space: nowrap;
  top: 50%;
  left: 100%;
}

.aio-tool .aio-button--switch .aio-button-text::after {
  opacity: 0;
  transform: translate(50%, -50%);
  transition: inherit;
}

.aio-tool .aio-button--switch:hover:not(:disabled) .aio-button-text {
  transform: translateX(-200%);
}

.aio-tool .aio-button--switch:hover:not(:disabled) .aio-button-text::after {
  opacity: 1;
  transform: translate(100%, -50%);
}

.aio-tool .aio-button--marquee .aio-button-text::after {
  transform: translate(100%, -50%);
}

.aio-tool .aio-button--marquee:hover:not(:disabled) .aio-button-text {
  animation: aio-button-marquee-x 2s linear infinite;
}

/* Spinner inside button */
.aio-tool .aio-button-spinner {
  width: var(--aio-space-md);
  height: var(--aio-space-md);
  border: var(--border-width-thick) solid color-mix(in srgb, var(--color-white) 40%, transparent);
  border-top-color: var(--color-white);
  border-radius: var(--radius-circle);
  animation: aio-spin var(--duration-spin) linear infinite;
  flex-shrink: 0;
}
.aio-tool .aio-button.aio-button-ghost .aio-button-spinner,
.aio-tool .aio-button.aio-button-outline .aio-button-spinner {
    border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
    border-top-color: var(--color-primary);
}


/* Touch-safe buttons on mobile (< 768px) */
@container aio-tool (max-width: 767px) {
  .aio-tool .aio-button {
    min-height: var(--aio-size-touch);  
    height: auto;
    padding: var(--aio-space-14) var(--aio-space-lg);
    line-height: var(--line-height-headline);
    white-space: normal; 
  }
  .aio-tool .aio-button.aio-button-sm {
    min-height: var(--aio-size-icon-xl);
    height: auto;
    padding: var(--aio-input-py) var(--aio-space-18);
    line-height: var(--line-height-headline);
  }
  .aio-tool .aio-button.aio-button-outline {
    min-height: var(--aio-size-icon-xl);
    height: auto;
    padding: var(--aio-space-10) var(--aio-space-md);
    line-height: var(--line-height-headline);
  }
}


.aio-tool .aio-input {
  width: 100%;
  padding: var(--aio-input-py) var(--aio-input-px);
  font-size: var(--font-size-body);
  font-family: inherit;
  color: var(--color-heading);
  background: var(--color-white);
  border: var(--border-width-strong) solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-input);
  transition: border-color var(--transition-ui), box-shadow var(--transition-ui);
  box-sizing: border-box;
  outline: none;
}

.aio-tool .aio-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input-focus);
}

.aio-tool .aio-input.aio-input-error {
  border-color: var(--color-danger);
}

.aio-tool .aio-input-wrapper {
  position: relative;
  display: block;
  width: 100%;
}

/* Автономне текстове поле (standalone) */
.aio-tool .aio-textarea {
  width: 100%;
  padding: var(--aio-input-py) var(--aio-input-px);
  font-size: var(--font-size-body);
  font-family: inherit;
  color: var(--color-heading);
  background: var(--color-white);
  border: var(--border-width-strong) solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-input);
  transition: border-color var(--transition-ui), box-shadow var(--transition-ui);
  box-sizing: border-box;
  outline: none;
  min-height: var(--aio-size-textarea-min);
  resize: vertical;
}

.aio-tool .aio-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input-focus);
}

.aio-tool .aio-textarea.aio-input-error {
  border-color: var(--color-danger);
}

/* Обгортка-рамка для текстового поля (лічильник та кнопки ВСЕРЕДИНІ) */
.aio-tool .aio-textarea-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  background: var(--color-white);
  border: var(--border-width-strong) solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-input);
  transition: border-color var(--transition-ui), box-shadow var(--transition-ui);
  box-sizing: border-box;
}

/* Ефекти фокусу на обгортці */
.aio-tool .aio-textarea-wrapper:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input-focus);
}

/* Червона рамка при помилці валідації в дочірньому textarea */
.aio-tool .aio-textarea-wrapper:has(.aio-input-error),
.aio-tool .aio-textarea-wrapper:has(.aio-tool-prompt-generator-error) {
  border-color: var(--color-danger) !important;
  box-shadow: 0 0 0 var(--aio-focus-ring-size) var(--danger-opacity) !important;
}

/* Прозора безрамкова textarea всередині обгортки */
.aio-tool .aio-textarea-wrapper .aio-textarea {
  width: 100% !important;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  outline: none !important;
  padding: var(--aio-input-py) var(--aio-space-14) var(--aio-space-2xs) var(--aio-space-14) !important;
  margin: 0 !important;
  resize: none !important;
  min-height: var(--aio-size-field-min);
  height: 70px;
  flex: 1 1 auto;
}

/* Внутрішній футер для лічильника та кнопок */
.aio-tool .aio-textarea-wrapper .aio-textarea-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--aio-space-2xs) var(--aio-space-14) var(--aio-space-10) var(--aio-space-14);
  background: transparent;
  width: 100%;
  box-sizing: border-box;
  flex-shrink: 0;
}

/* Уніфікований лічильник символів */
.aio-tool .aio-char-counter {
  font-size: var(--font-size-caption);
  color: var(--color-body);
  pointer-events: none;
  margin-left: auto;
  white-space: nowrap;
}

/* Помилки всередині футера обгортки */
.aio-tool .aio-textarea-wrapper .aio-field-error {
  margin-top: 0;
  font-size: var(--font-size-caption);
  line-height: var(--line-height-tight);
  color: var(--color-danger);
}

@container aio-tool (max-width: 767px) {
  .aio-tool .aio-textarea-wrapper .aio-textarea {
    height: var(--aio-size-textarea-mobile);
    min-height: var(--aio-size-textarea-mobile-min);
  }
}

.aio-tool .aio-field-error {
  color: var(--color-danger);
  font-size: var(--font-size-label);
  margin-top: var(--aio-space-2xs);
  min-height: var(--aio-space-md);
}


.aio-tool .aio-card {
  background: var(--color-white);
  border-radius: var(--radius);
  border: none;
  box-shadow: var(--shadow-card);
  padding: var(--aio-space-lg);
}

@container aio-tool (max-width: 639px) {
  .aio-tool .aio-card { padding: var(--aio-space-md); }
}


.aio-tool .aio-section-badge {
  display: inline-block;
  background: var(--primary-opacity);
  color: var(--color-primary);
  border-radius: var(--aio-space-lg);
  padding: var(--aio-space-2xs) var(--aio-space-sm);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--aio-space-md);
}


.aio-tool .aio-auth-tabs {
  display: flex;
  border-bottom: var(--border-width) solid var(--color-border);
  margin-bottom: var(--aio-space-xl);
  position: relative;
}

.aio-tool .aio-auth-tab {
  flex: 1;
  padding: var(--aio-space-sm) var(--aio-space-10);
  font-size: var(--font-size-body); 
  font-weight: var(--font-weight-semibold);
  background: transparent;
  color: var(--color-body);
  border: none;
  cursor: pointer;
  transition: color var(--transition-ui);
  position: relative;
  text-align: center;
}

.aio-tool .aio-auth-tab:hover {
  color: var(--color-heading);
}

.aio-tool .aio-auth-tab.aio-active {
  color: var(--color-primary);
}

.aio-tool .aio-auth-tab.aio-active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: var(--aio-space-3xs);
  background: var(--color-primary);
  border-radius: var(--aio-space-3xs) var(--aio-space-3xs) 0 0;
}

.aio-tool .aio-auth-field {
  margin-bottom: var(--aio-space-md);
}

.aio-tool .aio-auth-field label {
  display: block;
  font-size: 13px;
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  margin-bottom: var(--aio-space-1xs);
}


.aio-tool .aio-toast-container {
  position: fixed;
  bottom: var(--aio-space-xl);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-overlay);
  display: flex;
  flex-direction: column;
  gap: var(--aio-space-xs);
  pointer-events: none;
}

.aio-tool .aio-toast {
  padding: var(--aio-space-sm) var(--aio-space-lg);
  border-radius: var(--radius);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-white);
  background: var(--color-dark);
  box-shadow: var(--shadow-toast);
  animation: aio-toast-in var(--duration-slow) var(--transition) forwards;
  pointer-events: all;
}

.aio-tool .aio-toast.aio-toast-error   { background: var(--color-danger); }
.aio-tool .aio-toast.aio-toast-warning { background: var(--color-warning); color: var(--color-dark); }
.aio-tool .aio-toast.aio-toast-success { background: var(--color-success); color: var(--color-dark); }
.aio-tool .aio-toast.aio-toast-out { animation: aio-toast-out var(--duration-slow) var(--transition) forwards; }

@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .aio-tool .aio-toast-container {
    bottom: max(var(--aio-space-xl), env(safe-area-inset-bottom));
  }
}
@media (max-width: 639px) {
  .aio-tool .aio-toast-container {
    left: var(--aio-space-md);
    right: var(--aio-space-md);
    transform: none;
    width: auto;
  }
  .aio-tool .aio-toast {
    text-align: center;
  }
}

@keyframes aio-toast-in {
  from { opacity: var(--opacity-hidden); transform: translateY(var(--aio-space-10)); }
  to   { opacity: var(--opacity-visible); transform: translateY(0); }
}
@keyframes aio-toast-out {
  from { opacity: var(--opacity-visible); transform: translateY(0); }
  to   { opacity: var(--opacity-hidden); transform: translateY(var(--aio-space-10)); }
}

.aio-tool .aio-loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--aio-overlay-light-bg);
  backdrop-filter: blur(var(--aio-space-2xs));
  -webkit-backdrop-filter: blur(var(--aio-space-2xs));
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: var(--opacity-hidden);
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--transition-default), visibility var(--transition-default);
}

.aio-tool .aio-loading-overlay:not([aria-hidden="true"]) {
  opacity: var(--opacity-visible);
  pointer-events: all;
  visibility: visible;
}

.aio-tool .aio-loading-card {
  background: var(--color-white);
  padding: var(--aio-space-3xl);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--aio-space-md);
  transform: translateY(var(--aio-space-lg));
  transition: transform var(--duration-slow) cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modals & Popups (Unified) */
.aio-tool .aio-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--aio-overlay-dark-bg);
  backdrop-filter: blur(var(--aio-space-2xs));
  -webkit-backdrop-filter: blur(var(--aio-space-2xs));
  z-index: var(--z-overlay);
  align-items: center;
  justify-content: center;
  padding: var(--aio-space-md);
  box-sizing: border-box;
}

.aio-tool .aio-modal-overlay.aio-active {
  display: flex !important;
}

/* Inline modal modifier (e.g. for non-blocking inline auth pages) */
.aio-tool .aio-modal-overlay.aio-modal-overlay--inline {
  position: relative !important;
  inset: auto !important;
  background: transparent !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  z-index: var(--z-top-local) !important;
  padding: var(--aio-space-xl) 0 !important;
  width: 100% !important;
  min-height: auto !important;
  box-shadow: none !important;
}


.aio-tool .aio-modal-card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-modal);
  border: var(--border-width) solid var(--color-border);
  width: 100%;
  max-width: var(--aio-width-modal);
  padding: var(--aio-space-xl);
  box-sizing: border-box;
  position: relative;
  animation: aio-modal-zoom-in var(--duration-slow) var(--ease-out-premium) forwards;
}

.aio-tool .aio-modal-card-small,
.aio-tool .aio-modal-card--small {
  max-width: var(--aio-width-modal-sm);
  text-align: center;
}

.aio-tool .aio-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--aio-space-md);
}

.aio-tool .aio-modal-title {
  font-size: var(--font-size-title) !important;
  font-weight: var(--font-weight-semibold) !important;
  color: var(--color-heading) !important;
  margin: 0 !important;
}

.aio-tool .aio-auth-error-msg {
  background: var(--pink-opacity);
  color: var(--color-danger);
  border: var(--border-width) solid var(--color-danger);
  padding: var(--aio-space-10) var(--aio-space-14);
  border-radius: var(--radius);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--aio-space-md);
  text-align: center;
}

.aio-tool .aio-w-100 {
  width: 100% !important;
}

@keyframes aio-modal-zoom-in {
  from { opacity: var(--opacity-hidden); transform: scale(0.95) translateY(var(--aio-space-10)); }
  to { opacity: var(--opacity-visible); transform: scale(1) translateY(0); }
}

@media (max-width: 639px) {
  .aio-tool .aio-loading-card {
    padding: var(--aio-space-xl) var(--aio-space-lg);
    border-radius: var(--radius);
    margin: var(--aio-space-md);
    max-width: calc(100vw - var(--aio-size-icon-sm));
  }
}

.aio-tool .aio-loading-overlay:not([aria-hidden="true"]) .aio-loading-card {
  transform: translateY(0);
}

.aio-tool .aio-loading-label {
  font-size: var(--font-size-headline-mobile);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin: 0;
}

.aio-tool .aio-loading-dots::after {
  content: '';
  animation: aio-loading-dots-anim var(--duration-pulse) infinite steps(4, end);
}

@keyframes aio-loading-dots-anim {
  0%, 20% { content: ''; }
  40% { content: '.'; }
  60% { content: '..'; }
  80%, 100% { content: '...'; }
}

.aio-tool .aio-loading-subtext {
  font-size: var(--font-size-body-sm); 
  color: var(--color-body);
  margin: 0;
}


.aio-tool .aio-result-block {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: var(--aio-space-xl);
  margin-top: var(--aio-space-lg);
  margin-bottom: var(--aio-space-lg);
  border: var(--border-width) solid var(--color-border);
}

.aio-tool .aio-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--border-width) solid var(--color-border);
  padding-bottom: var(--aio-space-md);
  margin-bottom: var(--aio-space-lg);
  gap: var(--aio-space-sm);
}

.aio-tool .aio-result-title {
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-title);
  color: var(--color-heading);
  margin: 0;
}

.aio-tool .aio-result-body {
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-heading);
}

.aio-tool .aio-result-body p {
  margin-bottom: var(--aio-space-md);
}

.aio-tool .aio-result-body p:last-child {
  margin-bottom: 0;
}

.aio-tool .aio-result-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--aio-space-sm);
  margin-top: var(--aio-space-xl);
  padding-top: var(--aio-space-md);
  border-top: var(--border-width) solid var(--color-border);
}


.aio-tool .aio-error-block {
  background: var(--pink-opacity);
  border: var(--border-width) solid var(--color-danger);
  border-radius: var(--radius);
  padding: var(--aio-space-md) var(--aio-space-lg);
  margin-top: var(--aio-space-lg);
  margin-bottom: var(--aio-space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--aio-space-sm);
}

.aio-tool .aio-error-icon {
  color: var(--color-danger);
  flex-shrink: 0;
  margin-top: var(--aio-space-3xs);
  display: inline-flex;
}

.aio-tool .aio-error-content {
  flex: 1;
}

.aio-tool .aio-error-text {
  font-size: var(--font-size-body);
  line-height: 1.5;
  color: var(--color-heading);
  margin: 0;
}

.aio-tool .aio-error-action {
  margin-top: var(--aio-space-sm);
}


.aio-tool .aio-iconic-btn {
  /* layout */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: var(--aio-size-icon-sm);
  height: var(--aio-size-icon-sm);
  padding: 0;
  /* shape */
  border-radius: var(--radius-pill);
  border: var(--border-width) solid transparent;
  
  color: var(--tutor-color-muted, var(--color-body));
  background-color: transparent;
  /* behaviour */
  cursor: pointer;
  user-select: none;
  text-decoration: none;
  vertical-align: middle;
  outline: none;
  /* motion */
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}


.aio-tool .aio-iconic-btn:hover,
.aio-tool .aio-iconic-btn:focus-visible {
  color: var(--color-primary);
  background-color: var(--primary-opacity);
  border-color: transparent;
}

.aio-tool .aio-iconic-btn:active {
  transform: scale(0.96);
}

/* Focus ring for keyboard users */
.aio-tool .aio-iconic-btn:focus-visible {
  outline: var(--border-width-thick) solid var(--color-primary);
  outline-offset: var(--aio-space-3xs);
}


.aio-tool .aio-iconic-btn--on-dark {
  color: color-mix(in srgb, var(--color-white) 80%, transparent);
  border-color: transparent;
}
.aio-tool .aio-iconic-btn--on-dark:hover,
.aio-tool .aio-iconic-btn--on-dark:focus-visible {
  color: var(--color-white);
  background-color: color-mix(in srgb, var(--color-white) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-white) 25%, transparent);
}
.aio-tool .aio-iconic-btn--on-dark:focus-visible {
  outline-color: color-mix(in srgb, var(--color-white) 85%, transparent);
}


.aio-tool .aio-modal-close-o {
  /* positioned by the parent context (panel, modal, banner) */
}

/* Absolute-positioned shortcut for panel top-right corners */
.aio-tool .aio-modal-close-o--abs {
  position: absolute;
  top: var(--aio-space-md);
  right: var(--aio-space-md);
  z-index: var(--z-base);
}




.aio-tool .aio-btn-white-arrow {
  padding: 0 var(--aio-button-px);
  height: var(--aio-size-button);
  line-height: var(--aio-size-button);
  font-size: var(--font-size-body);
  letter-spacing: var(--letter-spacing-badge);
  font-weight: var(--font-weight-medium);
  font-family: inherit;
  display: inline-block;
  position: relative;
  z-index: var(--z-base);
  transition: background-color var(--transition-default), background-position var(--transition-default), border-color var(--transition-default), color var(--transition-default), box-shadow var(--transition-default), transform var(--transition-default);
  border-radius: var(--radius);
  border: 0 none;
  outline: none;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
  /* btn-white */
  box-shadow: var(--shadow-card);
  background: var(--color-white);
  color: var(--color-heading);
}

.aio-tool .aio-btn-white-arrow:hover {
  background: var(--color-primary);
  color: var(--color-white);
}


.aio-tool .aio-icon-reverse-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
}


.aio-tool .aio-btn-white-arrow .aio-btn-text {
  display: inline-block;
  transition: transform var(--transition-default);
}


.aio-tool .aio-btn-white-arrow .aio-btn-icon {
  display: inline-block;
  transition: opacity var(--transition-default), transform var(--transition-default);
  transition-timing-function: var(--ease-out-premium);
}


.aio-tool .aio-btn-white-arrow .aio-btn-icon + .aio-btn-icon {
  margin-inline-end: 0;
  margin-inline-start: 0;
  display: inline-block;
  opacity: var(--opacity-hidden);
  transform: translateX(-10px);
  transition-delay: var(--duration-instant);
  order: -2;           /* appears visually to the LEFT of text */
}


.aio-tool .aio-btn-white-arrow .aio-btn-icon + .aio-btn-icon i,
.aio-tool .aio-btn-white-arrow .aio-btn-icon + .aio-btn-icon svg {
  padding-left: 0;
  padding-right: var(--aio-space-1xs);
}



/* Text slides slightly right on hover */
.aio-tool .aio-btn-white-arrow:hover .aio-btn-text {
  transition-delay: 0.1s;
  transform: translateX(var(--aio-space-2xs));
}


.aio-tool .aio-btn-white-arrow:hover .aio-btn-icon {
  opacity: var(--opacity-hidden);
  transition-delay: var(--duration-instant);
  transform: translateX(var(--aio-space-10));
}


.aio-tool .aio-btn-white-arrow:hover .aio-btn-icon + .aio-btn-icon {
  opacity: var(--opacity-visible);
  transform: translateX(0);
  transition-delay: 0.225s;
}

.aio-tool .aio-btn-white-arrow:active {
  transform: scale(0.97);
}


.aio-tool .aio-btn-white-arrow--sm {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: var(--aio-input-py) var(--aio-button-px);
  font-size: var(--font-size-body); 
  font-weight: var(--font-weight-medium);
  letter-spacing: var(--letter-spacing-badge);
  border-radius: var(--radius);
  box-shadow: none;
  line-height: var(--line-height-caption);
  height: auto;
}

@container aio-tool (max-width: 639px) {
  .aio-tool .aio-btn-white-arrow {
    height: auto;
    min-height: var(--aio-size-icon-xl);
    padding: var(--aio-space-sm) var(--aio-space-lg);
    line-height: var(--line-height-headline);
    white-space: normal;
  }
}


/* ==============================================
   UNIFIED ACCOUNT/PROFILE DROPDOWN
   ============================================== */
.aio-tool .aio-account-wrap {
  position: absolute;
  top: var(--aio-space-sm);
  right: var(--aio-space-md);
  z-index: var(--z-sticky);
}

@media (min-width: 900px) {
  .aio-tool .aio-account-wrap {
    top: var(--aio-space-md);
    right: var(--aio-space-xl);
  }
}

.aio-tool .aio-account-avatar {
  width: var(--aio-size-icon-md);
  height: var(--aio-size-icon-md);
  border-radius: var(--radius-circle);
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  color: var(--color-white);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: box-shadow var(--duration-fast) var(--ease-out-premium), transform var(--duration-fast) var(--ease-out-premium);
  flex-shrink: 0;
}

.aio-tool .aio-account-avatar:hover {
  box-shadow: 0 0 0 var(--aio-focus-ring-size) var(--primary-opacity);
  transform: scale(1.06);
}

.aio-tool .aio-account-menu {
  display: none;
  position: absolute;
  top: calc(100% + var(--aio-space-sm));
  right: 0;
  min-width: 220px;
  background: var(--color-white);
  border: var(--border-width) solid color-mix(in srgb, var(--color-border) 60%, transparent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-dropdown);
  padding: var(--aio-space-xs);
  animation: aio-menu-slide-in var(--duration-fast) var(--ease-out-premium);
  z-index: var(--z-dropdown);
}

.aio-tool .aio-account-menu.aio-menu-open {
  display: block !important;
}

@keyframes aio-menu-slide-in {
  from { opacity: var(--opacity-hidden); transform: translateY(-6px); }
  to   { opacity: var(--opacity-visible); transform: translateY(0); }
}

.aio-tool .aio-account-info {
  padding: var(--aio-space-10) var(--aio-space-sm) var(--aio-space-1xs) var(--aio-space-sm);
  display: flex;
  flex-direction: column;
  gap: var(--aio-space-2xs);
}

.aio-tool .aio-account-email {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.aio-tool .aio-account-credits-wrapper {
  display: flex;
  align-items: center;
  gap: var(--aio-space-1xs);
}

.aio-tool .aio-account-credits-val {
  font-size: var(--font-size-label);
  color: var(--color-body);
}

.aio-tool .aio-account-menu-divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--aio-space-1xs) 0;
  opacity: var(--opacity-soft);
}

.aio-tool .aio-account-menu-item {
  display: flex;
  align-items: center;
  gap: var(--aio-space-xs);
  width: 100% !important;
  padding: var(--aio-space-10) var(--aio-space-sm) !important;
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-heading);
  background: transparent;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  text-align: left;
  transition: background-color var(--transition-default), color var(--transition-default);
}

.aio-tool .aio-account-menu-item:hover {
  background: var(--color-light);
  color: var(--color-primary);
}

.aio-tool .aio-account-menu-danger {
  color: var(--color-danger);
}

.aio-tool .aio-account-menu-danger:hover {
  background: var(--danger-opacity);
  color: var(--color-danger);
}

/* ==============================================
   UNIFIED SLIDING HISTORY PANEL (DRAWER)
   ============================================== */
.aio-tool .aio-history-panel {
  position: fixed;
  top: 0;
  right: calc((var(--aio-width-history-panel) + var(--aio-space-lg)) * -1);
  width: var(--aio-width-history-panel);
  height: 100%;
  background: var(--color-light);
  border-left: var(--border-width) solid var(--color-border);
  box-shadow: var(--shadow-drawer);
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  visibility: hidden;
  transition: right var(--duration-normal) var(--ease-out-premium), visibility var(--duration-normal) var(--ease-out-premium);
  box-sizing: border-box;
}

.aio-tool .aio-history-panel.aio-panel-open {
  right: 0 !important;
  visibility: visible !important;
}

.aio-tool .aio-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--aio-space-md) var(--aio-space-lg);
  border-bottom: var(--border-width) solid var(--color-border);
  flex-shrink: 0;
  box-sizing: border-box;
}

.aio-tool .aio-history-title {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin: 0 !important;
}

.aio-tool .aio-history-list {
  flex: 1;
  overflow-y: auto;
  padding: var(--aio-space-xs);
  scrollbar-width: thin;
  box-sizing: border-box;
}


.aio-tool .aio-scrollbar,
.aio-tool .aio-history-list,
.aio-tool .aio-panel-content {
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.aio-tool .aio-scrollbar::-webkit-scrollbar,
.aio-tool .aio-history-list::-webkit-scrollbar,
.aio-tool .aio-panel-content::-webkit-scrollbar {
  width: var(--aio-space-1xs);
  height: var(--aio-space-1xs);
}

.aio-tool .aio-scrollbar::-webkit-scrollbar-track,
.aio-tool .aio-history-list::-webkit-scrollbar-track,
.aio-tool .aio-panel-content::-webkit-scrollbar-track {
  background: transparent;
}

.aio-tool .aio-scrollbar::-webkit-scrollbar-thumb,
.aio-tool .aio-history-list::-webkit-scrollbar-thumb,
.aio-tool .aio-panel-content::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius);
}

.aio-tool .aio-scrollbar::-webkit-scrollbar-thumb:hover,
.aio-tool .aio-history-list::-webkit-scrollbar-thumb:hover,
.aio-tool .aio-panel-content::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

/* Unified backdrop for sliding panels */
.aio-tool .aio-history-backdrop {
  position: fixed;
  inset: 0;
  background: var(--aio-backdrop-ink-bg);
  backdrop-filter: blur(var(--aio-space-2xs));
  -webkit-backdrop-filter: blur(var(--aio-space-2xs));
  z-index: var(--z-overlay);
  opacity: var(--opacity-hidden);
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out-premium), visibility var(--duration-normal) var(--ease-out-premium);
}

.aio-tool .aio-history-backdrop.aio-backdrop-open {
  opacity: var(--opacity-visible) !important;
  visibility: visible !important;
}

/* ==============================================
   UNIFIED HISTORY PANEL — SEARCH CONTROLS BAR
   Search input + refresh button row,
   shown below the panel header.
   ============================================== */
.aio-tool .aio-history-controls {
  display: flex;
  align-items: center;
  gap: var(--aio-space-xs);
  padding: var(--aio-space-10) var(--aio-space-sm);
  border-bottom: var(--border-width) solid var(--color-border);
  flex-shrink: 0;
  box-sizing: border-box;
}

.aio-tool .aio-history-controls .aio-input {
  flex: 1;
  min-height: var(--aio-size-icon-md);
  padding: var(--aio-space-1xs) var(--aio-space-sm);
  font-size: var(--font-size-body-sm);
}

.aio-tool .aio-history-controls .aio-iconic-btn {
  width: var(--aio-size-icon-md);
  height: var(--aio-size-icon-md);
  flex-shrink: 0;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-body);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-fast) var(--ease-out-premium),
              color var(--duration-fast) var(--ease-out-premium),
              border-color var(--duration-fast) var(--ease-out-premium);
}

.aio-tool .aio-history-controls .aio-iconic-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

/* Spinning animation for refresh button */
@keyframes aio-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.aio-tool .aio-iconic-btn.aio-refreshing svg,
.aio-tool .aio-iconic-btn.aio-loading svg,
.aio-tool .aio-refreshing svg,
.aio-tool .aio-loading svg {
  animation: aio-spin var(--duration-spin-fast) linear infinite;
}

/* ==============================================
   UNIFIED HISTORY CARD ITEM  (.aio-hist-item)
   Neutral white card used in the history drawer.
   Tool-specific content (score, style chip, audio
   buttons) is placed INSIDE the card using
   tool-scoped classes that don't override layout.
   ============================================== */
.aio-tool .aio-hist-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--aio-space-sm);
  width: 100%;
  padding: var(--aio-space-14) var(--aio-space-md);
  border-radius: var(--radius);
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  cursor: pointer;
  text-align: left;
  box-sizing: border-box;
  transition: border-color var(--duration-normal) var(--ease-out-premium),
              box-shadow var(--duration-normal) var(--ease-out-premium),
              transform var(--duration-normal) var(--ease-out-premium);
  margin-bottom: var(--aio-space-1xs);
}

.aio-tool .aio-hist-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input);
  transform: translateY(-2px);
}

.aio-tool .aio-hist-item:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Left body (grows to fill space) */
.aio-tool .aio-hist-body {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: var(--aio-space-2xs);
}

/* Card title — enforced styles that beat any heading tag defaults (.aio-tool h5 etc) */
.aio-tool .aio-hist-title {
  font-size: var(--font-size-body-sm) !important;
  font-weight: var(--font-weight-semibold) !important;
  color: var(--color-heading) !important;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.35 !important;
  letter-spacing: 0 !important;
  margin: 0 0 var(--aio-space-3xs) 0 !important;
  padding: 0;
  display: block;
}

/* Multi-line card title variant */
.aio-tool .aio-hist-title--wrap {
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Meta row — flex row for score, chips, count */
.aio-tool .aio-hist-tags {
  display: flex;
  align-items: center;
  gap: var(--aio-space-xs);
  flex-wrap: wrap;
}

/* Secondary text (count, label) */
.aio-tool .aio-hist-meta {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin: 0;
}

/* Date / timestamp */
.aio-tool .aio-hist-date {
  font-size: var(--font-size-caption);
  color: var(--color-body);
  letter-spacing: 0.01em;
  margin: 0;
}

/* Status badge (Готово / Помилка) */
.aio-tool .aio-hist-badge {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.04em;
  padding: 1px var(--aio-space-1xs);
  border-radius: var(--radius-pill);
}

.aio-tool .aio-hist-badge--ok {
  color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 10%, transparent);
}

.aio-tool .aio-hist-badge--err {
  color: var(--color-danger);
  background: color-mix(in srgb, var(--color-danger) 10%, transparent);
}

/* Right-side actions column */
.aio-tool .aio-hist-actions {
  display: flex;
  gap: var(--aio-space-xs);
  flex-shrink: 0;
  align-items: center;
}

/* Action icon buttons inside a history card */
.aio-tool .aio-hist-item .aio-iconic-btn {
  width: var(--aio-size-icon-md);
  height: var(--aio-size-icon-md);
  border-radius: var(--radius-circle);
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  color: var(--color-primary);
  transition: background var(--duration-fast) var(--ease-out-premium),
              color var(--duration-fast) var(--ease-out-premium),
              border-color var(--duration-fast) var(--ease-out-premium);
  flex-shrink: 0;
}

.aio-tool .aio-hist-item .aio-iconic-btn:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Empty state */
.aio-tool .aio-history-empty {
  text-align: center;
  padding: var(--aio-space-3xl) var(--aio-space-lg);
  font-size: var(--font-size-body-sm);
  color: var(--color-body);
  margin: 0;
}

/* ==============================================
   ACTIVE / SELECTED HISTORY CARD STATE
   Applied by JS when a card is being viewed.
   ============================================== */
.aio-tool .aio-hist-item.aio-active {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-white));
  box-shadow: 0 0 0 var(--border-width-thick) color-mix(in srgb, var(--color-primary) 20%, transparent);
}

/* ==============================================
   RESPONSIVE: history panel width on mobile
   ============================================== */
@media (max-width: 480px) {
  .aio-tool .aio-history-panel {
    width: 100%;
    right: -100%;
  }
}


/* ==============================================
   SHARED PRONUNCIATION RESULT PATTERNS
   Used by English and French pronunciation tools.
   ============================================== */
.aio-tool .pronunciation-results-container {
  display: flex;
  flex-direction: column;
  gap: var(--aio-space-xl);
  margin-top: 0;
}

.aio-tool .pr-overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--aio-space-lg);
  align-items: center;
}

@container aio-tool (min-width: 640px) {
  .aio-tool .pr-overview-grid {
    grid-template-columns: 130px 1fr;
    gap: var(--aio-space-2xl);
  }
}

.aio-tool .pr-chart-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.aio-tool .pr-circle-chart-svg {
  width: 120px;
  height: 120px;
}

.aio-tool .pr-chart-svg-track {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 2.8;
}

.aio-tool .pr-chart-svg-progress {
  fill: none;
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-dasharray: 100, 100;
  stroke-dashoffset: calc(100 - var(--score, 0));
  transition: stroke-dashoffset var(--duration-ring) ease-in-out;
}

.aio-tool .pr-chart-svg-text {
  font-family: var(--font-primary);
  font-size: 7.5px;
  font-weight: var(--font-weight-semibold);
  text-anchor: middle;
  dominant-baseline: central;
  fill: currentColor;
  stroke: none !important;
}

.aio-tool .pr-score-excellent { stroke: var(--color-success); color: var(--color-success) !important; }
.aio-tool .pr-score-good { stroke: var(--color-primary); color: var(--color-primary) !important; }
.aio-tool .pr-score-fair { stroke: var(--color-warning); color: var(--color-warning) !important; }
.aio-tool .pr-score-poor { stroke: var(--color-danger); color: var(--color-danger) !important; }

.aio-tool .pr-feedback-text {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  margin: 0 0 var(--aio-space-md) 0;
}

.aio-tool .pr-metrics {
  display: flex;
  flex-direction: column;
  gap: var(--aio-space-10);
}

.aio-tool .pr-metric-item {
  display: grid;
  grid-template-columns: 80px 1fr var(--aio-space-3xl);
  align-items: center;
  gap: var(--aio-space-sm);
}

.aio-tool .pr-metric-label {
  font-size: var(--font-size-body-sm);
  color: var(--color-body);
}

.aio-tool .pr-metric-bar {
  height: var(--aio-space-1xs);
  background: var(--color-light);
  border-radius: var(--radius);
  overflow: hidden;
}

.aio-tool .pr-metric-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius);
}

.aio-tool .pr-metric-value {
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-heading);
  text-align: right;
}

.aio-tool .pr-words-container-modal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--aio-space-xs);
}

.aio-tool .pr-word-btn {
  background: transparent;
  padding: var(--aio-space-xs) var(--aio-space-14);
  border-radius: var(--radius);
  font-size: var(--font-size-body-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  border: var(--border-width-strong) solid transparent;
  transition: transform var(--transition-default), box-shadow var(--transition-default), border-color var(--transition-default), background-color var(--transition-default), color var(--transition-default);
  font-family: inherit;
}

.aio-tool .pr-word-btn:hover {
  transform: translateY(calc(var(--aio-space-3xs) * -1));
  box-shadow: var(--shadow-input);
}

.aio-tool .pr-word-btn:active {
  transform: translateY(0);
}

.aio-tool .pr-word-excellent { background: var(--success-opacity); color: var(--color-success); border-color: var(--color-success); }
.aio-tool .pr-word-good { background: var(--primary-opacity); color: var(--color-primary); border-color: var(--color-primary); }
.aio-tool .pr-word-fair { background: var(--warning-opacity); color: var(--color-warning); border-color: var(--color-warning); }
.aio-tool .pr-word-poor { background: var(--danger-opacity); color: var(--color-danger); border-color: var(--color-danger); }

.aio-tool .pr-phoneme-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--aio-space-xs);
  border-radius: var(--radius);
  background: var(--color-light);
  border: var(--border-width) solid var(--color-border);
}

.aio-tool .pr-phoneme-val {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-heading);
  margin-bottom: var(--aio-space-3xs);
}

.aio-tool .pr-phoneme-score {
  font-size: var(--font-size-caption);
  font-weight: var(--font-weight-semibold);
}

.aio-tool .pronunciation-results-container .aio-card {
  margin-bottom: 0;
}

/* ==============================================
   STANDARDIZED REUSABLE TOOL COMPONENTS
   These classes are intentionally visual-only and
   can be added next to existing tool-specific hooks.
   ============================================== */

.aio-tool .aio-choice-card {
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-heading);
  cursor: pointer;
  transition:
    transform var(--duration-slow) var(--ease-out-premium),
    box-shadow var(--duration-slow) var(--ease-out-premium),
    border-color var(--duration-slow) var(--ease-out-premium),
    outline var(--duration-slow) var(--ease-out-premium),
    outline-offset var(--duration-slow) var(--ease-out-premium);
}

.aio-tool .aio-choice-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input);
}

.aio-tool .aio-choice-card:focus-visible {
  outline: var(--aio-focus-ring-size) solid var(--color-primary);
  outline-offset: var(--aio-space-2xs);
}

.aio-tool .aio-choice-card.aio-choice-card--selected,
.aio-tool .aio-choice-card.aio-selected,
.aio-tool .aio-choice-card.aio-active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input-focus);
}

.aio-tool .aio-choice-chip {
  background: var(--color-white);
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    transform var(--duration-slow) var(--ease-out-premium),
    box-shadow var(--duration-slow) var(--ease-out-premium),
    border-color var(--duration-slow) var(--ease-out-premium),
    outline var(--duration-slow) var(--ease-out-premium),
    outline-offset var(--duration-slow) var(--ease-out-premium);
}

.aio-tool .aio-choice-chip:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-input);
  transform: translateY(-3px);
}

.aio-tool .aio-choice-chip:focus-visible {
  outline: var(--aio-focus-ring-size) solid var(--color-primary);
  outline-offset: var(--aio-space-2xs);
}

.aio-tool .aio-choice-chip.aio-choice-card--selected,
.aio-tool .aio-choice-chip.aio-selected,
.aio-tool .aio-choice-card--selected .aio-choice-chip,
.aio-tool .aio-selected .aio-choice-chip {
  border-color: transparent;
  box-shadow: var(--shadow-input-focus);
  outline: var(--aio-focus-ring-size) solid var(--color-primary);
  outline-offset: -3px;
}

.aio-tool .aio-choice-check {
  background: var(--color-primary);
  border-radius: var(--radius-circle);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-check);
}

.aio-tool .aio-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--aio-space-2xs);
  border-radius: var(--radius);
  border: var(--border-width) solid transparent;
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  letter-spacing: var(--letter-spacing-badge);
  padding: var(--aio-space-3) var(--aio-space-xs);
  vertical-align: middle;
  white-space: nowrap;
}

.aio-tool .aio-badge--pill {
  border-radius: var(--radius-pill);
}

.aio-tool .aio-badge--primary {
  background: var(--primary-opacity);
  border-color: var(--primary-opacity);
  color: var(--color-primary);
}

.aio-tool .aio-badge--secondary {
  background: var(--secondary-opacity);
  border-color: var(--secondary-opacity);
  color: var(--color-secondary);
}

.aio-tool .aio-badge--success {
  background: var(--success-opacity);
  border-color: color-mix(in srgb, var(--color-success) 35%, transparent);
  color: var(--color-success);
}

.aio-tool .aio-badge--warning {
  background: var(--warning-opacity);
  border-color: color-mix(in srgb, var(--color-warning) 35%, transparent);
  color: var(--color-warning);
}

.aio-tool .aio-badge--danger {
  background: var(--danger-opacity);
  border-color: color-mix(in srgb, var(--color-danger) 35%, transparent);
  color: var(--color-danger);
}

.aio-tool .aio-badge--muted {
  background: var(--color-light);
  border-color: var(--color-border);
  color: var(--color-body);
}

.aio-tool .aio-progress {
  background: var(--color-light);
  border-radius: var(--radius);
  height: var(--aio-space-xs);
  overflow: hidden;
  position: relative;
}

.aio-tool .aio-progress-fill {
  background: var(--color-primary);
  border-radius: inherit;
  height: 100%;
  transition: width var(--transition-default);
}

.aio-tool .aio-progress--success .aio-progress-fill,
.aio-tool .aio-progress-fill.aio-progress--success {
  background: var(--color-success);
}

.aio-tool .aio-progress--warning .aio-progress-fill,
.aio-tool .aio-progress-fill.aio-progress--warning {
  background: var(--color-warning);
}

.aio-tool .aio-progress--danger .aio-progress-fill,
.aio-tool .aio-progress-fill.aio-progress--danger {
  background: var(--color-danger);
}

.aio-tool .aio-panel {
  background: var(--color-white);
  border: var(--border-width-strong) solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.aio-tool .aio-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--aio-space-md);
  min-height: var(--aio-size-button);
  padding: var(--aio-space-md) var(--aio-space-lg);
  border-bottom: var(--border-width) solid var(--color-border);
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--color-white);
  box-sizing: border-box;
}

.aio-tool .aio-panel-content {
  flex: 1;
  min-height: 0;
  background: var(--color-white);
  border-radius: 0 0 var(--radius) var(--radius);
}

.aio-tool .aio-status-banner {
  position: fixed;
  left: 50%;
  top: calc(var(--aio-tool-site-header-h, 0px) + var(--aio-space-md));
  transform: translateX(-50%);
  z-index: var(--z-banner);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--aio-space-md);
  max-width: calc(100vw - (var(--aio-space-lg) * 2));
  min-height: var(--aio-size-icon-xl);
  padding: var(--aio-space-xs) var(--aio-space-sm) var(--aio-space-xs) var(--aio-space-md);
  border-radius: var(--radius-pill);
  border: var(--border-width) solid color-mix(in srgb, var(--color-white) 20%, transparent);
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: var(--color-white);
  box-shadow:
    0 var(--aio-space-2xs) var(--aio-space-sm) var(--primary-opacity),
    0 var(--aio-space-xs) var(--aio-space-28) var(--primary-opacity);
  transition:
    opacity var(--transition-default),
    transform var(--transition-default),
    visibility var(--transition-default);
}

.aio-tool .aio-status-banner.aio-hidden,
.aio-tool .aio-status-banner[hidden] {
  opacity: var(--opacity-hidden);
  pointer-events: none;
  transform: translateX(-50%) translateY(calc(var(--aio-space-xl) * -1));
  visibility: hidden;
}

.aio-tool .aio-status-banner--processing {
  animation: aio-banner-pulse var(--duration-banner) ease-in-out infinite alternate;
}

.aio-tool .aio-status-banner--success {
  background: linear-gradient(135deg, var(--color-success), var(--color-success));
  box-shadow:
    0 var(--aio-space-3xs) var(--aio-space-xs) var(--success-opacity),
    0 var(--aio-space-xs) var(--aio-space-xl) var(--success-opacity);
}

.aio-tool .aio-status-banner--error {
  background: linear-gradient(135deg, var(--color-danger), var(--color-danger));
  box-shadow:
    0 var(--aio-space-3xs) var(--aio-space-xs) var(--danger-opacity),
    0 var(--aio-space-xs) var(--aio-space-xl) var(--danger-opacity);
}

.aio-tool .aio-status-banner-body {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  flex: 1 1 auto;
}

.aio-tool .aio-status-banner-text {
  line-height: var(--line-height-caption);
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.aio-tool .aio-status-banner-hide-mobile { display: inline; }
.aio-tool .aio-status-banner-hide-desktop { display: none; }

@container aio-tool (max-width: 600px) {
  .aio-tool .aio-status-banner-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
  }
  .aio-tool .aio-status-banner-hide-mobile { display: none; }
  .aio-tool .aio-status-banner-hide-desktop { display: inline; }
}

.aio-tool .aio-status-banner-controls {
  display: flex;
  align-items: center;
  gap: var(--aio-space-10);
  flex-shrink: 0;
}

.aio-tool .aio-status-banner-btn {
  background: color-mix(in srgb, var(--color-white) 18%, transparent);
  border: var(--border-width) solid color-mix(in srgb, var(--color-white) 32%, transparent);
  border-radius: var(--radius-pill);
  color: var(--color-white);
  padding: var(--aio-space-5) var(--aio-space-14);
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-semibold);
  font-family: inherit;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition:
    background-color var(--transition-default),
    border-color var(--transition-default),
    transform var(--transition-default);
  white-space: nowrap;
  line-height: var(--line-height-caption);
}

.aio-tool .aio-status-banner-btn:hover {
  background: color-mix(in srgb, var(--color-white) 28%, transparent);
  border-color: color-mix(in srgb, var(--color-white) 50%, transparent);
}

.aio-tool .aio-status-banner-btn:active {
  transform: scale(0.96);
}

.aio-tool .aio-status-banner-controls .aio-hidden { display: none !important; }

.aio-tool[data-theme='dark'] .aio-status-banner {
  box-shadow:
    0 2px 12px color-mix(in srgb, var(--color-dark) 30%, transparent),
    0 12px 32px color-mix(in srgb, var(--color-dark) 20%, transparent);
}

.aio-tool .aio-hover-color {
  transition: color var(--duration-fast) var(--ease-out-premium), border-color var(--duration-fast) var(--ease-out-premium), background-color var(--duration-fast) var(--ease-out-premium);
}

.aio-tool .aio-hover-color:hover,
.aio-tool .aio-hover-color:focus-visible {
  color: var(--color-primary);
}

.aio-tool .aio-hover-lift,
.aio-tool .aio-hover-lift-high,
.aio-tool .aio-hover-scale {
  transition: transform var(--duration-slow) var(--ease-out-premium), box-shadow var(--duration-slow) var(--ease-out-premium);
}

.aio-tool .aio-hover-lift:hover {
  transform: translateY(-3px);
}

.aio-tool .aio-hover-lift-high:hover {
  transform: translateY(-10px);
}

.aio-tool .aio-hover-scale:hover {
  transform: scale(1.02);
}

.aio-tool .aio-hover-lift:active,
.aio-tool .aio-hover-lift-high:active,
.aio-tool .aio-hover-scale:active {
  transform: none;
}

.aio-tool .aio-ai-wait {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--aio-space-lg);
  background: color-mix(in srgb, var(--color-light) 88%, transparent);
  backdrop-filter: blur(var(--aio-space-2xs));
  -webkit-backdrop-filter: blur(var(--aio-space-2xs));
  opacity: var(--opacity-hidden);
  pointer-events: none;
  visibility: hidden;
  transition: opacity var(--transition-default), visibility var(--transition-default);
}

.aio-tool .aio-ai-wait:not([aria-hidden="true"]),
.aio-tool .aio-ai-wait.aio-active {
  opacity: var(--opacity-visible);
  pointer-events: all;
  visibility: visible;
}

.aio-tool .aio-ai-wait-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--aio-space-sm);
  width: min(100%, 520px);
  padding: var(--aio-space-3xl) calc(var(--aio-space-3xl) * 2);
  border-radius: var(--radius);
  text-align: center;
  transform: translateY(var(--aio-space-lg)) scale(0.98);
  transition: transform var(--transition-default);
}

.aio-tool .aio-ai-wait-card-content,
.aio-tool .aio-loading-card-content {
  position: relative;
  z-index: 3;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: inherit;
}

.aio-tool .aio-ai-wait-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--color-white);
  border: var(--border-width) solid var(--primary-opacity);
  border-radius: inherit;
  box-shadow: var(--shadow-card);
  pointer-events: none;
}

.aio-tool .aio-ai-wait:not([aria-hidden="true"]) .aio-ai-wait-card,
.aio-tool .aio-ai-wait.aio-active .aio-ai-wait-card {
  transform: translateY(0) scale(1);
}

.aio-tool .aio-ai-wait-card::before {
  content: "";
  position: absolute;
  inset: calc(var(--aio-space-xs) * -1);
  z-index: 1;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-primary));
  filter: blur(32px);
  opacity: var(--opacity-muted);
  animation: aio-aura-breathe var(--duration-aura) ease-in-out infinite alternate;
}

.aio-tool .aio-ai-wait-title {
  margin: 0;
  color: var(--color-heading);
  font-family: inherit;
  font-size: var(--font-size-title);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
}

.aio-tool .aio-ai-wait-subtitle,
.aio-tool .aio-ai-wait-steps {
  margin: 0;
  color: var(--color-body);
  font-family: inherit;
  font-size: var(--font-size-body-sm);
  line-height: var(--line-height-body);
}

.aio-tool .aio-ai-wait-progress {
  width: min(100%, 320px);
  height: var(--aio-space-2xs);
  overflow: hidden;
  border-radius: var(--radius-pill);
  background: var(--primary-opacity);
}

.aio-tool .aio-ai-wait-progress::after {
  content: "";
  display: block;
  width: 45%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
  animation: aio-wait-progress 1.2s ease-in-out infinite;
}

/* Dark theme overrides for wait card */
.aio-tool[data-theme='dark'] .aio-ai-wait {
  background: color-mix(in srgb, var(--color-dark) 88%, transparent);
}

.aio-tool[data-theme='dark'] .aio-ai-wait-card::after {
  background: var(--color-dark);
  border-color: var(--color-border);
  box-shadow:
    0 2px 1px  color-mix(in srgb, var(--color-dark) 12%, transparent),
    0 8px 32px color-mix(in srgb, var(--color-dark) 40%, transparent);
}

.aio-tool[data-theme='dark'] .aio-ai-wait-title {
  color: color-mix(in srgb, var(--color-light) 95%, transparent);
}

.aio-tool[data-theme='dark'] .aio-ai-wait-subtitle {
  color: color-mix(in srgb, var(--color-light) 45%, transparent);
}

@container aio-tool (max-width: 639px) {
  .aio-tool .aio-ai-wait-card {
    padding: var(--aio-space-xl) var(--aio-space-lg);
  }

  .aio-tool .aio-ai-wait-title {
    font-size: var(--font-size-headline-mobile);
  }
}
/* ==============================================
   STANDARDIZED RESPONSIVE LAYOUT HELPERS (CONTAINER QUERIES)
   ============================================== */

/* Responsive Grid (Auto-fit) */
.aio-tool .aio-grid-auto {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--aio-space-md);
}
@container aio-tool (min-width: 600px) {
  .aio-tool .aio-grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* 2-Column Grid */
.aio-tool .aio-grid-2-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--aio-space-md);
}
@container aio-tool (min-width: 640px) {
  .aio-tool .aio-grid-2-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3-Column Grid */
.aio-tool .aio-grid-3-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--aio-space-md);
}
@container aio-tool (min-width: 640px) and (max-width: 899px) {
  .aio-tool .aio-grid-3-col {
    grid-template-columns: repeat(2, 1fr);
  }
}
@container aio-tool (min-width: 900px) {
  .aio-tool .aio-grid-3-col {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Sidebar Layout (Sidebar + Main Content split) */
.aio-tool .aio-sidebar-layout {
  display: flex;
  flex-direction: column;
  gap: var(--aio-space-lg);
}
@container aio-tool (min-width: 900px) {
  .aio-tool .aio-sidebar-layout {
    flex-direction: row;
    align-items: stretch;
  }
  .aio-tool .aio-sidebar-layout > aside {
    width: var(--aio-width-history-panel);
    flex-shrink: 0;
  }
  .aio-tool .aio-sidebar-layout > main {
    flex: 1;
    min-width: 0;
  }
}

/* ==========================================================================
   Consolidated AI-Osvita Animation Keyframes (Standardized to 0.4s / 400ms)
   ========================================================================== */

/* Shimmer load effect */
@keyframes aio-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

@keyframes aio-button-marquee-x {
  0% { transform: translateX(0); }
  100% { transform: translateX(-200%); }
}

@keyframes aio-wait-progress {
  0% { transform: translateX(-120%); }
  50% { transform: translateX(70%); }
  100% { transform: translateX(260%); }
}

/* Lightbox entry zoom + fade */
@keyframes aio-lightbox-enter {
  from { opacity: var(--opacity-hidden); transform: translateY(var(--aio-space-lg)) scale(0.98); }
  to   { opacity: var(--opacity-visible); transform: translateY(0) scale(1); }
}

/* Micro-interaction scaling pulse for recording state */
@keyframes aio-mic-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* Backwards-compatible duplicate pulse */
@keyframes aio-mic-pulse-slow {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.08); }
}

/* Slow breathing animation for visual background glow */
@keyframes aio-aura-breathe {
  0% {
    opacity: var(--opacity-subtle);
    transform: scale(0.9) translateY(var(--aio-space-2xs));
  }
  100% {
    opacity: var(--opacity-visible);
    transform: scale(1.15) translateY(-8px);
  }
}

/* Banner pulsing animation for processing states */
@keyframes aio-banner-pulse {
  0% { transform: translateX(-50%) translateY(0) scale(0.98); opacity: var(--opacity-emphasis); box-shadow: 0 var(--aio-space-2xs) var(--aio-space-sm) color-mix(in srgb, var(--color-dark) 5%, transparent); }
  100% { transform: translateX(-50%) translateY(0) scale(1.02); opacity: var(--opacity-visible); box-shadow: 0 var(--aio-space-xs) var(--aio-space-xl) var(--primary-opacity); }
}

/* Success/Credits micro-update check */
@keyframes aio-pulse-update {
  0% { transform: scale(1); color: inherit; }
  50% { transform: scale(1.05); color: var(--color-success); }
  100% { transform: scale(1); color: inherit; }
}

/* Stepper selection micro-animation */
@keyframes aio-stepper-bump {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.28); }
  100% { transform: scale(1); }
}

/* Horizontal slide bar loading indicator */
@keyframes aio-sc-bar {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* Scoped generic fade-in for cards and results */
@keyframes aio-fade-in {
  from { opacity: var(--opacity-hidden); }
  to   { opacity: var(--opacity-visible); }
}

/* Scoped generic slide-in-left for forms and lists */
@keyframes aio-slide-in-left {
  from {
    opacity: var(--opacity-hidden);
    transform: translateX(-20px);
  }
  to {
    opacity: var(--opacity-visible);
    transform: translateX(0);
  }
}