/* =========================================
   ScriptPulse — Design System & Styles v2.2
   Author: SofienReviews
   ========================================= */

/* --- Design Tokens --- */
:root {
  --hue: 18;
  --primary: #ca2f06;
  --primary-light: color-mix(in srgb, var(--primary) 30%, transparent);
  --primary-lighter: color-mix(in srgb, var(--primary) 10%, transparent);
  --primary-dark: color-mix(in srgb, var(--primary) 80%, black);

  --accent: oklch(58% 0.16 160);
  --accent-light: oklch(90% 0.06 160);

  --bg: oklch(97.5% 0.005 var(--hue));
  --bg-raised: oklch(99% 0.003 var(--hue));
  --surface: oklch(96% 0.008 var(--hue));

  --text-primary: oklch(18% 0.015 var(--hue));
  --text-secondary: oklch(40% 0.02 var(--hue));
  --text-tertiary: oklch(58% 0.015 var(--hue));
  --text-on-primary: oklch(98% 0.005 var(--hue));

  --border: oklch(88% 0.012 var(--hue));
  --border-strong: oklch(78% 0.015 var(--hue));

  --green: oklch(55% 0.16 145);
  --green-bg: oklch(93% 0.04 145);
  --orange: oklch(62% 0.17 60);
  --orange-bg: oklch(93% 0.05 60);
  --red: oklch(52% 0.18 25);
  --red-bg: oklch(93% 0.04 25);

  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: clamp(1.75rem, 1.2rem + 1.5vw, 2.25rem);
  --text-4xl: clamp(2rem, 1.4rem + 2vw, 3rem);

  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semi: 600;
  --weight-bold: 700;
  --weight-extra: 800;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --duration-fast: 150ms;
  --duration-normal: 300ms;
  --duration-slow: 500ms;

  --content-max: 780px;
  --content-wide: 1080px;
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg);
  font-kerning: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100dvh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: var(--weight-bold);
}

a { color: var(--primary); text-decoration: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }
strong { font-weight: var(--weight-semi); }
.hidden { display: none !important; }

/* --- Ad Banners --- */
.sp-ad-banner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
}

.sp-ad-label {
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-align: center;
  margin-bottom: var(--space-xs);
  font-weight: var(--weight-medium);
}

.sp-ad-link {
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: opacity var(--duration-fast);
}

.sp-ad-link:hover { opacity: 0.92; }

.sp-ad-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  max-height: 150px;
  object-fit: cover;
}

.sp-ad-top { padding-top: var(--space-lg); }
.sp-ad-bottom { padding-bottom: var(--space-lg); margin-top: var(--space-xl); }

/* --- Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(97.5% 0.005 var(--hue) / 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-md) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-xl);
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon { color: var(--primary); }

.header-nav {
  display: flex;
  gap: var(--space-xs);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 3px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.header-nav::-webkit-scrollbar { display: none; }

.mode-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: calc(var(--radius-lg) - 2px);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-tertiary);
  transition: all var(--duration-fast) var(--ease-out-quart);
  white-space: nowrap;
  min-height: 44px;
}

.mode-toggle:hover { color: var(--text-secondary); }

.mode-toggle.active {
  background: var(--bg-raised);
  color: var(--text-primary);
  box-shadow: 0 1px 3px oklch(0% 0 0 / 0.06);
}

/* --- Hero --- */
.hero { padding: var(--space-3xl) var(--space-xl) var(--space-xl); }

.hero-inner { max-width: var(--content-max); margin: 0 auto; }

.hero-title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extra);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero-accent { color: var(--primary); }

.hero-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 55ch;
  line-height: 1.65;
}

.hero-disclaimer {
  margin-top: var(--space-xl);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--primary-lighter);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
  border-left: 3px solid var(--primary-light);
}

.hero-disclaimer svg { flex-shrink: 0; margin-top: 2px; color: var(--primary); }

/* --- Input Section --- */
.input-section { padding: 0 var(--space-xl) var(--space-2xl); }
.input-section-inner { max-width: var(--content-max); margin: 0 auto; }
.textarea-wrap { position: relative; }

.textarea-label {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-semi);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.optional-tag {
  text-transform: none;
  letter-spacing: 0;
  font-weight: var(--weight-regular);
  font-style: italic;
  opacity: 0.6;
}

.script-textarea {
  width: 100%;
  padding: var(--space-lg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-primary);
  resize: vertical;
  transition: border-color var(--duration-fast) var(--ease-out-quart),
              box-shadow var(--duration-fast) var(--ease-out-quart);
  min-height: 120px;
}

.script-textarea::placeholder { color: var(--text-tertiary); opacity: 0.7; }

.script-textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px oklch(55% 0.18 var(--hue) / 0.08);
}

.textarea-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-md);
  gap: var(--space-md);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.char-count {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-variant-numeric: tabular-nums;
}

.duration-estimate {
  font-size: var(--text-sm);
  color: var(--primary);
  font-weight: var(--weight-medium);
  font-variant-numeric: tabular-nums;
}

/* --- Format Selector --- */
.format-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.format-option {
  cursor: pointer;
  display: block;
}

.format-option input { display: none; }

.format-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg) var(--space-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  text-align: center;
  transition: all var(--duration-fast) var(--ease-out-quart);
}

.format-card:hover { border-color: var(--border-strong); }

.format-option.active .format-card {
  border-color: var(--primary);
  background: var(--primary-lighter);
  box-shadow: 0 0 0 3px oklch(55% 0.18 var(--hue) / 0.08);
}

.format-card svg { color: var(--text-tertiary); transition: color var(--duration-fast); }
.format-option.active .format-card svg { color: var(--primary); }

.format-title {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-base);
  color: var(--text-primary);
}

.format-desc {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

/* --- Format Badge --- */
.format-badge {
  display: inline-flex;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.03em;
}

.format-badge-voiceover { background: oklch(90% 0.06 280); color: oklch(45% 0.15 280); }
.format-badge-caption { background: oklch(90% 0.06 200); color: oklch(45% 0.15 200); }

/* --- Form Elements --- */
.form-input {
  width: 100%;
  padding: 12px var(--space-lg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-raised);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: border-color var(--duration-fast) var(--ease-out-quart),
              box-shadow var(--duration-fast) var(--ease-out-quart);
}

.form-input::placeholder { color: var(--text-tertiary); opacity: 0.7; }

.form-input:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px oklch(55% 0.18 var(--hue) / 0.08);
}

.form-select {
  width: 100%;
  padding: 12px var(--space-lg);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-raised);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--text-primary);
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23999' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px oklch(55% 0.18 var(--hue) / 0.08);
}

.form-group { margin-bottom: var(--space-lg); }

.form-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.generate-form {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--primary);
  color: var(--text-on-primary);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  border-radius: var(--radius-lg);
  transition: transform var(--duration-fast) var(--ease-out-quart),
              opacity var(--duration-fast) var(--ease-out-quart),
              background var(--duration-fast) var(--ease-out-quart);
  min-height: 44px;
}

.btn-primary:hover:not(:disabled) { background: var(--primary-dark); transform: translateY(-1px); }
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: var(--surface);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  transition: all var(--duration-fast) var(--ease-out-quart);
  min-height: 44px;
}

.btn-secondary:hover { border-color: var(--border-strong); background: var(--bg-raised); }

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--accent);
  color: var(--text-on-primary);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: var(--weight-semi);
  border-radius: var(--radius-lg);
  transition: all var(--duration-fast) var(--ease-out-quart);
  min-height: 44px;
}

.btn-accent:hover { transform: translateY(-1px); opacity: 0.9; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  color: var(--primary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast) var(--ease-out-quart);
  min-height: 44px;
}

.btn-ghost:hover { background: var(--primary-lighter); }

/* --- Compare Grid --- */
.compare-grid {
  max-width: var(--content-wide);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-lg);
  align-items: start;
}

.compare-vs {
  align-self: center;
  margin-top: 2.5rem;
  font-family: var(--font-display);
  font-weight: var(--weight-extra);
  font-size: var(--text-2xl);
  color: var(--text-tertiary);
  opacity: 0.4;
  user-select: none;
}

.compare-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding-top: var(--space-sm);
}

/* --- Loading --- */
.loading-section { padding: var(--space-4xl) var(--space-xl); }

.loading-inner {
  max-width: var(--content-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.loading-pulse {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary-light);
  animation: pulse-ring 1.4s var(--ease-out-quart) infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.85); opacity: 1; }
  70% { transform: scale(1.3); opacity: 0; }
  100% { transform: scale(0.85); opacity: 0; }
}

.loading-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-secondary);
  font-weight: var(--weight-medium);
  text-align: center;
}

/* --- Results Section --- */
.results-section {
  padding: 0 var(--space-xl) var(--space-4xl);
  animation: results-enter 600ms var(--ease-out-expo) both;
}

@keyframes results-enter {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.results-inner { max-width: var(--content-max); margin: 0 auto; }
.results-wide { max-width: var(--content-wide); }

/* --- Platform Tabs --- */
.platform-tabs {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-2xl);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 3px;
  width: fit-content;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.platform-tabs::-webkit-scrollbar { display: none; }

.platform-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: calc(var(--radius-lg) - 2px);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-tertiary);
  transition: all var(--duration-fast) var(--ease-out-quart);
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
}

.platform-tab:hover { color: var(--text-secondary); }

.platform-tab.active {
  background: var(--bg-raised);
  color: var(--text-primary);
  box-shadow: 0 1px 3px oklch(0% 0 0 / 0.06);
}

.platform-tab .tab-icon { font-size: var(--text-base); }

.platform-panel { display: none; }
.platform-panel.active { display: block; }

/* --- AI Badge --- */
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: oklch(90% 0.06 280);
  color: oklch(45% 0.15 280);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  letter-spacing: 0.03em;
}

.ai-loading {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--text-tertiary);
  font-size: var(--text-sm);
  font-style: italic;
}

.ai-loading .spinner,
.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- AI Scores Row --- */
.ai-scores-row {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.ai-score-box {
  flex: 1;
  padding: var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-md);
  text-align: center;
}

/* --- Score Ring --- */
.score-block {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  padding: var(--space-2xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.score-ring-wrap {
  flex-shrink: 0;
  position: relative;
  width: 140px;
  height: 140px;
}

.score-ring-svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.score-ring-bg { fill: none; stroke: var(--border); stroke-width: 8; }

.score-ring-fill {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 1.2s var(--ease-out-expo);
}

.score-ring-label {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.score-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extra);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.score-suffix {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-tertiary);
  margin-top: 2px;
}

.score-block-text { flex: 1; }

.score-block-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-sm);
}

.score-block-desc { color: var(--text-secondary); line-height: 1.65; }

/* --- Criteria Bars --- */
.criteria-section { margin-bottom: var(--space-3xl); }

.section-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.section-heading svg { color: var(--primary); flex-shrink: 0; }

.criteria-list { display: flex; flex-direction: column; gap: var(--space-lg); }

.criterion-item { animation: criteria-stagger 500ms var(--ease-out-expo) both; }

.criterion-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}

.criterion-name {
  font-family: var(--font-display);
  font-weight: var(--weight-semi);
  font-size: var(--text-base);
}

.criterion-score {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.criterion-bar {
  height: 8px;
  background: var(--surface);
  border-radius: 4px;
  overflow: hidden;
}

.criterion-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 1s var(--ease-out-expo);
  width: 0;
}

.criterion-comment {
  margin-top: 6px;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Color classes */
.color-green { color: var(--green); }
.color-orange { color: var(--orange); }
.color-red { color: var(--red); }
.bg-green { background: var(--green); }
.bg-orange { background: var(--orange); }
.bg-red { background: var(--red); }

/* --- Coach Text --- */
.coach-section { margin-bottom: var(--space-3xl); }

.coach-text {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-2xl);
  line-height: 1.75;
  color: var(--text-primary);
  white-space: pre-line;
}

.coach-text p { margin-bottom: var(--space-md); }
.coach-text p:last-child { margin-bottom: 0; }

/* --- Recommendations --- */
.reco-section { margin-bottom: var(--space-3xl); }

.reco-list { display: flex; flex-direction: column; gap: var(--space-md); list-style: none; }

.reco-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  line-height: 1.6;
}

.reco-bullet {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  margin-top: 2px;
}

.reco-text { color: var(--text-primary); }

.reco-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

/* --- Hooks --- */
.hooks-section { margin-bottom: var(--space-3xl); }

.hook-card {
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-md);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  margin-bottom: var(--space-md);
}

.hook-card:last-child { margin-bottom: 0; }

.hook-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.hook-text {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  line-height: 1.5;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
}

.hook-mechanism {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.55;
  font-style: italic;
}

/* --- Optimized Hook --- */
.optimized-section { margin-bottom: var(--space-3xl); }

.optimized-block {
  padding: var(--space-xl) var(--space-2xl);
  border-radius: var(--radius-lg);
  background: var(--primary-lighter);
  border-left: 4px solid var(--primary);
}

.optimized-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.optimized-text {
  font-size: var(--text-lg);
  font-weight: var(--weight-medium);
  line-height: 1.55;
  color: var(--text-primary);
}

/* --- Retention --- */
.retention-section { margin-bottom: var(--space-3xl); }

.retention-block {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.retention-percentage {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-extra);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.retention-text { color: var(--text-secondary); line-height: 1.6; }

.retention-label {
  font-family: var(--font-display);
  font-weight: var(--weight-semi);
  color: var(--text-primary);
  margin-bottom: 2px;
}

/* --- Platform AI Panel --- */
.ai-platform-panel {
  margin-bottom: var(--space-3xl);
  padding: var(--space-xl) var(--space-2xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.ai-panel-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.ai-panel-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
}

.ai-strength-list, .ai-weakness-list, .ai-tips-list {
  margin-bottom: var(--space-lg);
  list-style: none;
}

.ai-list-title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.ai-strength-list li, .ai-weakness-list li, .ai-tips-list li {
  padding: 6px 0;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--text-primary);
}

.ai-strength-list li::before { content: '+ '; color: var(--green); font-weight: var(--weight-bold); }
.ai-weakness-list li::before { content: '— '; color: var(--orange); font-weight: var(--weight-bold); }
.ai-tips-list li::before { content: '› '; color: var(--primary); font-weight: var(--weight-bold); }

.ai-summary {
  padding: var(--space-lg);
  background: var(--primary-lighter);
  border-radius: var(--radius-md);
  line-height: 1.65;
  color: var(--text-primary);
  border-left: 3px solid var(--primary-light);
}

/* --- Hashtags --- */
.hashtags-section { margin-bottom: var(--space-3xl); }

.hashtags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.hashtag-chip {
  display: inline-flex;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  color: var(--primary);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-out-quart);
  user-select: all;
  min-height: 36px;
  align-items: center;
}

.hashtag-chip:hover {
  background: var(--primary-lighter);
  border-color: var(--primary-light);
}

/* --- First Comment --- */
.first-comment-section {
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid var(--border);
}

.first-comment-desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-lg);
  line-height: 1.55;
}

.first-comments-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.first-comment-card {
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.first-comment-type {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.first-comment-text {
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  white-space: pre-line;
}

/* --- Applied Script --- */
.applied-section { margin-bottom: var(--space-3xl); }

.applied-block {
  padding: var(--space-xl) var(--space-2xl);
  background: var(--accent-light);
  border: 1px solid oklch(80% 0.08 160);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent);
}

.applied-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.applied-text {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--text-primary);
  white-space: pre-line;
}

.applied-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

/* --- Compare Results --- */
.compare-results-inner { max-width: var(--content-wide); margin: 0 auto; }

.compare-scores {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-xl);
  align-items: start;
  margin-bottom: var(--space-3xl);
}

.compare-score-card {
  text-align: center;
  padding: var(--space-2xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
}

.compare-score-card.winner { border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }

.compare-score-card .version-label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-lg);
}

.compare-score-card .score-ring-wrap { margin: 0 auto var(--space-lg); }

.compare-vs-divider {
  align-self: center;
  font-family: var(--font-display);
  font-weight: var(--weight-extra);
  font-size: var(--text-2xl);
  color: var(--text-tertiary);
  opacity: 0.3;
}

.winner-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: var(--radius-lg);
  background: var(--green-bg);
  color: var(--green);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-semi);
  margin-top: var(--space-sm);
}

.compare-differences { margin-bottom: var(--space-3xl); }
.diff-list { display: flex; flex-direction: column; gap: var(--space-md); }

.diff-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.diff-criterion {
  font-family: var(--font-display);
  font-weight: var(--weight-semi);
  font-size: var(--text-sm);
  min-width: 140px;
  flex-shrink: 0;
}

.diff-detail {
  color: var(--text-secondary);
  line-height: 1.55;
  font-size: var(--text-sm);
}

.compare-verdict { margin-bottom: var(--space-3xl); }

.verdict-block {
  padding: var(--space-xl) var(--space-2xl);
  border-radius: var(--radius-lg);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  line-height: 1.75;
  white-space: pre-line;
}

/* --- Generated Script --- */
.generated-script-block {
  padding: var(--space-xl) var(--space-2xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2xl);
}

.generated-script-text {
  font-size: var(--text-lg);
  line-height: 1.8;
  color: var(--text-primary);
  white-space: pre-line;
}

.generated-actions {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

/* --- History --- */
.history-list { display: flex; flex-direction: column; gap: var(--space-md); }

.history-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding: var(--space-lg) var(--space-xl);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: border-color var(--duration-fast) var(--ease-out-quart);
  min-height: 56px;
}

.history-item:hover { border-color: var(--primary-light); }

.history-item-text {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.history-item-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  flex-shrink: 0;
}

.history-item-score {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
}

.history-item-date {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}

.history-clear {
  margin-top: var(--space-lg);
  text-align: right;
}

.empty-state {
  text-align: center;
  padding: var(--space-3xl);
  color: var(--text-tertiary);
  font-style: italic;
}

/* --- Toast --- */
.toast-container {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: var(--text-primary);
  color: var(--bg);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  animation: toast-in 400ms var(--ease-out-expo) both;
  max-width: 360px;
}

.toast.toast-out { animation: toast-out 300ms var(--ease-out-quart) both; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(16px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(8px); }
}

/* --- Footer --- */
.site-footer {
  padding: var(--space-2xl) var(--space-xl);
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  max-width: var(--content-wide);
  margin: 0 auto;
}

/* --- Stagger --- */
@keyframes criteria-stagger {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================
   RESPONSIVE — Full Refactor
   ========================================= */

/* Tablet landscape */
@media (max-width: 1024px) {
  .form-row { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { gap: var(--space-md); }
}

/* Tablet portrait */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .header-nav {
    width: 100%;
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
  }

  .mode-toggle { padding: 8px 12px; }

  .hero { padding: var(--space-2xl) var(--space-md) var(--space-lg); }
  .hero-title { font-size: clamp(1.6rem, 1.2rem + 2vw, 2.25rem); }
  .hero-subtitle { font-size: var(--text-base); }

  .input-section { padding: 0 var(--space-md) var(--space-xl); }
  .results-section { padding: 0 var(--space-md) var(--space-3xl); }

  .compare-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .compare-vs { margin-top: 0; text-align: center; }

  .compare-scores { grid-template-columns: 1fr; gap: var(--space-lg); }
  .compare-vs-divider { text-align: center; }

  .score-block {
    flex-direction: column;
    text-align: center;
    padding: var(--space-xl);
    gap: var(--space-lg);
  }

  .score-ring-wrap { width: 120px; height: 120px; }

  .retention-block {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-lg);
  }

  .diff-item { flex-direction: column; gap: var(--space-sm); }
  .diff-criterion { min-width: auto; }

  .textarea-footer {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-sm);
  }

  .footer-left { justify-content: space-between; }
  .btn-primary { width: 100%; justify-content: center; }

  .form-row { grid-template-columns: 1fr; }
  .generate-form { padding: var(--space-xl); }

  .platform-tabs { width: 100%; }

  .generated-actions,
  .reco-actions,
  .applied-actions { flex-direction: column; }
  .generated-actions .btn-primary,
  .generated-actions .btn-secondary { width: 100%; justify-content: center; }

  .coach-text { padding: var(--space-lg); }
  .optimized-block { padding: var(--space-lg); }
  .verdict-block { padding: var(--space-lg); }
  .generated-script-block { padding: var(--space-lg); }
  .hook-card { padding: var(--space-md); }

  .first-comment-card { padding: var(--space-md); }
  .first-comment-section { padding-top: var(--space-xl); }

  .sp-ad-banner { padding: var(--space-sm) var(--space-md); }
  .sp-ad-img { max-height: 100px; }

  .format-selector { gap: var(--space-sm); }
  .format-card { padding: var(--space-md) var(--space-sm); }

  .ai-scores-row { flex-direction: column; gap: var(--space-sm); }
}

/* Mobile */
@media (max-width: 480px) {
  .hero-title { font-size: clamp(1.4rem, 1rem + 3vw, 1.8rem); }
  .toggle-label { display: none; }
  .mode-toggle { padding: 10px; min-height: 40px; }

  .hero-disclaimer { flex-direction: column; padding: var(--space-md); }

  .score-block-title { font-size: var(--text-lg); }
  .score-number { font-size: var(--text-2xl); }

  .section-heading { font-size: var(--text-lg); }

  .format-title { font-size: var(--text-sm); }
  .format-desc { font-size: var(--text-xs); }
  .format-card svg { width: 18px; height: 18px; }

  .toast { max-width: calc(100vw - 2rem); right: 0; }
  .toast-container { right: var(--space-md); left: var(--space-md); }

  .reco-item { flex-direction: column; gap: var(--space-sm); }
  .reco-bullet { width: 24px; height: 24px; font-size: var(--text-xs); }

  .hashtag-chip { padding: 5px 10px; font-size: var(--text-xs); }
}

/* Very small phones */
@media (max-width: 360px) {
  html { font-size: 14px; }

  .header-inner { padding: var(--space-sm); }

  .hero { padding: var(--space-lg) var(--space-sm) var(--space-md); }
  .input-section { padding: 0 var(--space-sm) var(--space-lg); }
  .results-section { padding: 0 var(--space-sm) var(--space-2xl); }

  .format-selector { grid-template-columns: 1fr; }
  .format-card { flex-direction: row; text-align: left; gap: var(--space-sm); }
}

/* ========== THUMBNAIL GENERATOR ========== */
.thumbnail-workspace {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: var(--space-xl);
  align-items: start;
}
@media (max-width: 900px) {
  .thumbnail-workspace {
    grid-template-columns: 1fr;
  }
}

.thumbnail-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.file-upload-wrapper {
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
  background: var(--surface-hover);
  overflow: hidden;
}
.file-upload-wrapper:hover {
  border-color: var(--primary);
  background: var(--surface);
}
.file-upload-input {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; cursor: pointer;
  z-index: 2;
}
.file-upload-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
  pointer-events: none;
}
.file-upload-visual svg {
  color: var(--primary);
}

.color-picker-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.color-picker-wrapper input[type="color"] {
  -webkit-appearance: none;
  appearance: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  cursor: pointer;
  padding: 0;
  background: transparent;
}
.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}
.color-picker-wrapper input[type="color"]::-webkit-color-swatch {
  border: 1px solid var(--border);
  border-radius: 4px;
}
#thumb-color-hex {
  font-family: monospace;
  font-size: var(--text-sm);
  color: var(--text-muted);
}

.style-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.thumbnail-preview-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-sm);
}
.thumbnail-canvas-wrapper {
  position: relative;
  width: 100%;
  max-width: 360px; /* Construit visuellement pour mimic mobile */
  aspect-ratio: 9 / 16;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-lg);
}
#thumbnail-canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.thumbnail-resolution {
  margin-top: var(--space-md);
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
}