@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Vazirmatn:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(15, 23, 42, 0.75);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.6);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-emerald-bg: rgba(16, 185, 129, 0.15);
  --accent-amber: #f59e0b;
  --accent-amber-bg: rgba(245, 158, 11, 0.15);
  --accent-rose: #f43f5e;
  --accent-purple: #8b5cf6;
  --glass-blur: blur(16px);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 35px var(--primary-glow);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.98);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-glow: rgba(79, 70, 229, 0.2);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  direction: rtl;
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 70%, rgba(6, 182, 212, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
}

.ltr {
  direction: ltr;
  text-align: left;
  font-family: 'Inter', -apple-system, sans-serif;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-color);
  padding: 14px 0;
  transition: var(--transition);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.brand-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.badge-ai {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.25);
  font-size: 12px;
  font-weight: 600;
  color: #a5b4fc;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px #22c55e;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  outline: none;
  text-decoration: none;
}

.btn-icon {
  padding: 10px;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.btn-icon:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border-color: var(--border-focus);
}

.btn-emerald {
  background: var(--accent-emerald-bg);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.btn-emerald:hover {
  background: rgba(16, 185, 129, 0.25);
}

.btn-rose {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}
.btn-rose:hover {
  background: rgba(244, 63, 94, 0.25);
}

/* Hero & Search */
.hero-section {
  padding: 40px 0 24px;
  text-align: center;
}

.hero-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ffffff 40%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 32px;
  font-weight: 400;
}

.search-box-wrapper {
  max-width: 820px;
  margin: 0 auto 20px;
  position: relative;
}

.search-bar {
  display: flex;
  align-items: center;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 8px 12px 8px 8px;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.search-bar:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2), var(--shadow-lg);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 16px;
  color: var(--text-primary);
  padding: 10px 14px;
}
.search-input::placeholder {
  color: var(--text-muted);
}

.search-btn {
  padding: 12px 28px;
  font-size: 15px;
  border-radius: var(--radius-md);
}

/* Quick Topic Pills */
.topic-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
}

.topic-pill-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 4px;
}

.topic-pill {
  padding: 5px 12px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.topic-pill:hover {
  background: var(--bg-card-hover);
  color: var(--primary);
  border-color: var(--border-focus);
  transform: translateY(-1px);
}

/* Workflow Stepper */
.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 36px auto;
  max-width: 960px;
  position: relative;
}

.stepper::before {
  content: '';
  position: absolute;
  top: 50%;
  right: 60px;
  left: 60px;
  height: 2px;
  background: var(--bg-tertiary);
  z-index: 1;
}

.step-item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  background: var(--bg-primary);
  padding: 0 10px;
}

.step-bubble {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

.step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.step-item.active .step-bubble {
  background: var(--primary);
  border-color: #a5b4fc;
  color: #fff;
  box-shadow: 0 0 20px var(--primary-glow);
}

.step-item.active .step-title {
  color: var(--text-primary);
}

.step-item.completed .step-bubble {
  background: var(--accent-emerald);
  border-color: #86efac;
  color: #fff;
}

.step-item.completed .step-title {
  color: var(--accent-emerald);
}

/* Main Content Panels */
.panel {
  display: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  margin-bottom: 60px;
}

.panel.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Card Component */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

/* Keywords Step Layout */
.keywords-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .keywords-grid {
    grid-template-columns: 1fr;
  }
}

.tags-container {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 18px;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}

.tag-en {
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #c7d2fe;
}
.tag-en:hover {
  background: rgba(99, 102, 241, 0.25);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tag-fa {
  background: rgba(6, 182, 212, 0.12);
  border: 1px solid rgba(6, 182, 212, 0.3);
  color: #a5f3fc;
}

.tag-mesh {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fde68a;
  font-size: 12px;
}

.query-box {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  margin: 16px 0;
  font-family: monospace;
  font-size: 13px;
  color: #38bdf8;
  word-break: break-all;
  direction: ltr;
  text-align: left;
}

/* Paper Cards List */
.papers-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.papers-count {
  font-size: 14px;
  color: var(--text-secondary);
}

.paper-card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 22px;
  margin-bottom: 16px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.paper-card:hover {
  border-color: var(--border-focus);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.paper-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.paper-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 8px;
}

.paper-title-fa {
  font-size: 18px;
  font-weight: 800;
  color: #f8fafc;
  line-height: 1.6;
  margin-bottom: 6px;
  letter-spacing: -0.2px;
}

.paper-title-en {
  font-size: 13.5px;
  color: #94a3b8;
  line-height: 1.5;
  margin-bottom: 12px;
  font-family: 'Inter', -apple-system, sans-serif;
  direction: ltr;
  text-align: left;
}

.studio-title-fa {
  font-size: 22px;
  font-weight: 800;
  color: #f8fafc;
  line-height: 1.5;
  margin-bottom: 8px;
}

.paper-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.badge-oa {
  background: var(--accent-emerald-bg);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-closed {
  background: rgba(139, 92, 246, 0.15);
  color: #c4b5fd;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge-doi {
  background: var(--bg-tertiary);
  color: #93c5fd;
  border: 1px solid rgba(147, 197, 253, 0.2);
  font-family: monospace;
  font-size: 11px;
}

.paper-abstract {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.paper-abstract.expanded {
  -webkit-line-clamp: unset;
}

.paper-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--border-color);
  padding-top: 16px;
}

/* Translation Studio Layout */
.studio-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px;
}

.studio-title-box {
  flex: 1;
}

.studio-title-en {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.studio-title-fa {
  font-size: 16px;
  font-weight: 600;
  color: #a5b4fc;
}

.studio-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.split-view-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .split-view-container {
    grid-template-columns: 1fr;
  }
}

.text-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  min-height: 480px;
  max-height: 75vh;
  overflow-y: auto;
}

.text-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.text-panel-title {
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-content {
  font-size: 15px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.article-content p {
  margin-bottom: 16px;
}

/* Upload Dropzone */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  background: rgba(15, 23, 42, 0.4);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 24px;
}
.dropzone:hover {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
}

.dropzone-icon {
  font-size: 36px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

/* Drawer / Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  box-shadow: var(--shadow-lg);
  padding: 28px;
  position: relative;
  animation: modalScale 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-input {
  width: 100%;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

/* Library Drawer */
.drawer {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 100%;
  max-width: 440px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  z-index: 105;
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.drawer.open {
  transform: translateX(0);
}

.drawer-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
}

/* Spinner */
.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
  color: var(--text-secondary);
}

.loading-pulse {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary), transparent 70%);
  animation: pulse 1.6s ease-in-out infinite;
}

@keyframes pulse {
  0% { transform: scale(0.8); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.9; }
  100% { transform: scale(0.8); opacity: 0.5; }
}

/* Casual Summary ("مغز مقاله به زبان خودمونی") */
.casual-card {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.06) 0%, rgba(16, 185, 129, 0.04) 50%, rgba(99, 102, 241, 0.06) 100%), var(--bg-card);
  border: 1px solid rgba(245, 158, 11, 0.28);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.07);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.casual-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.casual-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.casual-badge-icon {
  font-size: 26px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.15);
}

.casual-title {
  font-size: 18px;
  font-weight: 800;
  color: #fbbf24;
  letter-spacing: -0.3px;
}

.casual-meta-tags {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  flex-wrap: wrap;
}

.badge-indigo {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.15);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.casual-card-body {
  animation: fadeIn 0.3s ease;
}

.casual-headline-banner {
  font-size: 20px;
  font-weight: 800;
  color: #fef08a;
  margin-bottom: 16px;
  line-height: 1.6;
  display: flex;
  align-items: center;
  gap: 10px;
}

.casual-story {
  font-size: 15px;
  line-height: 2.05;
  color: #f1f5f9;
  margin-bottom: 22px;
  background: rgba(0, 0, 0, 0.15);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border-right: 3px solid #f59e0b;
}

.casual-story p {
  margin-bottom: 10px;
}
.casual-story p:last-child {
  margin-bottom: 0;
}

.casual-keypoints-title {
  font-size: 15px;
  font-weight: 700;
  color: #93c5fd;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.casual-keypoints-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.casual-point-card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: #e2e8f0;
  transition: var(--transition);
}

.casual-point-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(245, 158, 11, 0.35);
  transform: translateY(-1px);
}

.casual-practical-box {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 18px;
}

.casual-practical-title {
  color: #34d399;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.casual-practical-text {
  font-size: 14px;
  line-height: 1.9;
  color: #d1fae5;
}

.casual-oneliner-box {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.18), rgba(168, 85, 247, 0.18));
  border: 1px solid rgba(99, 102, 241, 0.38);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 700;
  color: #e0e7ff;
  line-height: 1.7;
}

.btn-sm {
  padding: 6px 12px !important;
  font-size: 12px !important;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Print Style for direct PDF export */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .header, .hero-section, .stepper, .studio-controls, .btn, .search-box-wrapper, .topic-pills {
    display: none !important;
  }
  .split-view-container {
    display: block !important;
  }
  .text-panel {
    border: none !important;
    max-height: none !important;
    overflow: visible !important;
  }
  .casual-card {
    border: 1px solid #ccc !important;
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
    break-inside: avoid;
  }
}