:root {
  --bg-base: #0b0f19;
  --bg-surface: #131a2a;
  --bg-surface-elevated: #1b2438;
  --bg-surface-hover: #212c44;
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-highlight: rgba(99, 102, 241, 0.45);
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --accent-primary: #6366f1;
  --accent-primary-hover: #4f46e5;
  --accent-telegram: #0ea5e9;
  --accent-telegram-bg: rgba(14, 165, 233, 0.14);
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --shadow-lg: 0 20px 45px -15px rgba(0, 0, 0, 0.65);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-base);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(99, 102, 241, 0.12), transparent 36%),
    radial-gradient(circle at 88% 0%, rgba(14, 165, 233, 0.10), transparent 36%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header & Top Controls */
.top-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0.9rem 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.25), rgba(14, 165, 233, 0.25));
  border: 1px solid rgba(99, 102, 241, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.controls-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

/* Language Toggle Cards (Panel Lang & Telegram Lang) */
.lang-switch-card {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.45rem 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  transition: border-color 0.2s ease;
}

.lang-switch-card:hover {
  border-color: var(--border-highlight);
}

.lang-switch-card.telegram-card {
  border-color: rgba(14, 165, 233, 0.3);
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.08), var(--bg-surface));
}

.lang-switch-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.lang-toggle-btn {
  display: inline-flex;
  align-items: center;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 2px;
  cursor: pointer;
  gap: 2px;
}

.lang-pill {
  padding: 0.28rem 0.6rem;
  border-radius: 5px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.16s ease;
}

.lang-pill.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.45);
}

.telegram-toggle .lang-pill.active {
  background: var(--accent-telegram);
  box-shadow: 0 2px 8px rgba(14, 165, 233, 0.45);
}

/* Buttons */
.action-buttons-group {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.55rem 0.95rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.16s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-primary);
  color: #ffffff;
}

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

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-surface-hover);
  border-color: rgba(14, 165, 233, 0.45);
}

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border-color: var(--border-subtle);
}

.btn-outline:hover {
  background: var(--bg-surface-elevated);
  color: #ffffff;
}

.btn-danger-outline {
  background: rgba(244, 63, 94, 0.08);
  color: #fda4af;
  border-color: rgba(244, 63, 94, 0.28);
}

.btn-danger-outline:hover {
  background: rgba(244, 63, 94, 0.18);
  color: #ffffff;
}

.btn-link {
  background: none;
  border: none;
  color: #818cf8;
  font-size: 0.83rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.btn-link:hover {
  text-decoration: underline;
  color: #a5b4fc;
}

/* Main Container */
.main-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
}

/* Stats Strip */
.stats-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.15rem;
}

.stat-pill {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.42rem 0.8rem;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.stat-label {
  color: var(--text-muted);
}

.stat-value {
  color: var(--text-primary);
  font-weight: 700;
}

.highlight-badge {
  color: #a5b4fc;
}

.tg-badge {
  color: #38bdf8;
}

/* Search & Filter Panel */
.search-panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.25rem;
  margin-bottom: 1.35rem;
  box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.4);
}

.search-bar-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.9rem;
}

.search-input-wrapper {
  flex: 1 1 380px;
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 0.95rem;
  font-size: 1rem;
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.72rem 2.4rem 0.72rem 2.65rem;
  color: var(--text-primary);
  font-size: 0.94rem;
  font-family: inherit;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.clear-search-btn {
  position: absolute;
  right: 0.75rem;
  background: var(--bg-surface-elevated);
  border: none;
  color: var(--text-muted);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.clear-search-btn:hover {
  color: #ffffff;
}

.filter-controls-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.select-control {
  background: var(--bg-base);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.58rem 0.85rem;
  font-size: 0.84rem;
  font-family: inherit;
  cursor: pointer;
}

.chips-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.chips-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.36rem 0.75rem;
  border-radius: 999px;
  font-size: 0.79rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.chip:hover {
  border-color: var(--border-highlight);
  color: #ffffff;
}

.chip.active {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent-primary);
  color: #ffffff;
}

.results-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.7rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* Vocabulary Drawer */
.vocab-panel {
  background: var(--bg-surface);
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.25rem;
  margin-bottom: 1.35rem;
}

.vocab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.9rem;
}

.vocab-header h2 {
  font-size: 1rem;
  font-weight: 700;
}

.vocab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.85rem;
}

.vocab-card {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
}

.vocab-term {
  font-weight: 700;
  color: #a5b4fc;
  font-size: 0.92rem;
}

.vocab-trans {
  font-size: 0.84rem;
  color: var(--accent-emerald);
  font-weight: 600;
  margin: 0.15rem 0 0.45rem;
}

.vocab-context {
  font-size: 0.81rem;
  color: var(--text-secondary);
}

/* News Grid & Cards */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.15rem;
}

.news-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
  cursor: pointer;
}

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

.card-top-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.badge-group {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.category-badge {
  background: rgba(99, 102, 241, 0.16);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.32);
  padding: 0.2rem 0.58rem;
  border-radius: 6px;
  font-size: 0.73rem;
  font-weight: 700;
}

.source-badge {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-secondary);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.73rem;
  font-weight: 600;
}

.date-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.73rem;
  color: var(--text-muted);
}

.card-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.4;
  margin-bottom: 0.55rem;
}

.card-hook {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.card-detail-preview {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: rgba(11, 15, 25, 0.55);
  border-left: 3px solid var(--accent-primary);
  padding: 0.55rem 0.75rem;
  border-radius: 0 6px 6px 0;
  margin-bottom: 0.85rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.tag-pill {
  background: rgba(14, 165, 233, 0.1);
  color: #7dd3fc;
  border: 1px solid rgba(14, 165, 233, 0.22);
  padding: 0.14rem 0.5rem;
  border-radius: 999px;
  font-size: 0.71rem;
  font-weight: 600;
  cursor: pointer;
}

.tag-pill:hover {
  background: rgba(14, 165, 233, 0.24);
  color: #ffffff;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  gap: 0.5rem;
}

.card-actions-left {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.icon-action-btn {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.32rem 0.55rem;
  border-radius: 6px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-action-btn:hover {
  border-color: var(--border-highlight);
  color: #ffffff;
}

.icon-action-btn.fav-active {
  color: var(--accent-amber);
  border-color: rgba(245, 158, 11, 0.45);
  background: rgba(245, 158, 11, 0.1);
}

.read-more-btn {
  background: rgba(99, 102, 241, 0.16);
  color: #c7d2fe;
  border: 1px solid rgba(99, 102, 241, 0.35);
  padding: 0.36rem 0.75rem;
  border-radius: 7px;
  font-size: 0.79rem;
  font-weight: 600;
  cursor: pointer;
}

.read-more-btn:hover {
  background: var(--accent-primary);
  color: #ffffff;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(5, 8, 15, 0.78);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-card.modal-large {
  max-width: 860px;
}

.modal-header {
  padding: 1.1rem 1.4rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.modal-meta-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.modal-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.modal-lang-tabs {
  display: inline-flex;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 2px;
  gap: 2px;
}

.modal-lang-tab,
.tg-preview-lang-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.28rem 0.65rem;
  border-radius: 5px;
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
}

.modal-lang-tab.active,
.tg-preview-lang-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
}

.icon-close-btn {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.95rem;
}

.icon-close-btn:hover {
  color: #ffffff;
  border-color: var(--accent-rose);
}

.modal-body {
  padding: 1.4rem;
  overflow-y: auto;
}

.modal-article-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 1rem;
}

.section-eyebrow {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #93c5fd;
  margin-bottom: 0.3rem;
}

.modal-hook-box {
  background: rgba(14, 165, 233, 0.09);
  border: 1px solid rgba(14, 165, 233, 0.28);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.05rem;
  margin-bottom: 1.25rem;
}

.modal-hook-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  font-weight: 500;
}

.modal-section {
  margin-bottom: 1.3rem;
}

.modal-section-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: #cbd5e1;
  margin-bottom: 0.6rem;
}

.modal-detailed-text p {
  font-size: 0.96rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
  line-height: 1.72;
}

.bilingual-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.bilingual-col {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.9rem;
}

.bilingual-col-header {
  font-size: 0.76rem;
  font-weight: 700;
  color: #a5b4fc;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.modal-keypoints-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-keypoints-list li {
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
}

.modal-keypoints-list li::before {
  content: "▸";
  color: var(--accent-emerald);
  font-weight: 800;
}

.modal-impact-box {
  background: rgba(16, 185, 129, 0.09);
  border: 1px solid rgba(16, 185, 129, 0.28);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.05rem;
  margin-bottom: 1.15rem;
}

.modal-impact-box .section-eyebrow {
  color: #6ee7b7;
}

.modal-impact-text {
  font-size: 0.92rem;
  color: var(--text-primary);
}

.modal-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.modal-footer {
  padding: 1rem 1.4rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(11, 15, 25, 0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.modal-footer-left,
.modal-footer-right {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

/* Telegram Preview Modal */
.modal-title-sm {
  font-size: 1.1rem;
  font-weight: 700;
}

.modal-subtitle-sm {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.tg-preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 0.9rem;
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.tg-preview-box {
  background: #0e1621;
  border: 1px solid rgba(14, 165, 233, 0.35);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: #e2e8f0;
  white-space: pre-wrap;
  max-height: 400px;
  overflow-y: auto;
}

.tg-preview-box a {
  color: #38bdf8;
  text-decoration: underline;
}

.tg-preview-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3.5rem 1.5rem;
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-lg);
}

.empty-icon {
  font-size: 2.5rem;
  margin-bottom: 0.6rem;
}

.empty-state h3 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.empty-state p {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1rem;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.25rem;
  right: 1.25rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-highlight);
  color: #ffffff;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.2s ease-out;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
  .bilingual-split {
    grid-template-columns: 1fr;
  }
}