/* ============================================
   TG Analytics - Design System
   Aesthetic: Neo-brutalist Terminal Archive
   ============================================ */

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

/* ============================================
   CSS Custom Properties
   ============================================ */
:root {
  /* Typography */
  --font-mono: 'JetBrains Mono', monospace;
  --font-sans: 'Inter', -apple-system, sans-serif;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;

  /* Shadows */
  --shadow-glow: 0 0 20px var(--color-accent-glow);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.1);

  /* Z-index Scale */
  --z-dropdown: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* Light Theme */
:root, [data-theme="light"] {
  --color-bg-primary: #f8fafc;
  --color-bg-secondary: #ffffff;
  --color-bg-tertiary: #f1f5f9;
  --color-bg-elevated: #ffffff;

  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  --color-accent: #6366f1;
  --color-accent-hover: #4f46e5;
  --color-accent-glow: rgba(99, 102, 241, 0.3);
  --color-accent-subtle: rgba(99, 102, 241, 0.1);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #ef4444;

  --color-border: #e2e8f0;
  --color-border-hover: #cbd5e1;

  --color-scanline: rgba(0, 0, 0, 0.02);
}

/* Dark Theme */
[data-theme="dark"] {
  --color-bg-primary: #0f1419;
  --color-bg-secondary: #1a1f2e;
  --color-bg-tertiary: #242938;
  --color-bg-elevated: #1e2330;

  --color-text-primary: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-text-inverse: #0f172a;

  --color-accent: #14b8a6;
  --color-accent-hover: #0d9488;
  --color-accent-glow: rgba(20, 184, 166, 0.4);
  --color-accent-subtle: rgba(20, 184, 166, 0.1);

  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-error: #f87171;

  --color-border: #2d3548;
  --color-border-hover: #3d4558;

  --color-scanline: rgba(255, 255, 255, 0.02);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Scanline texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    var(--color-scanline) 0px,
    var(--color-scanline) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 9999;
  opacity: 0.5;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

.mono {
  font-family: var(--font-mono);
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================
   Header
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  color: var(--color-text-inverse);
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  font-size: 0.875rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* Download Indicator in Header */
.download-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-accent-subtle);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-accent);
  transition: all var(--transition-fast);
}

.download-indicator:hover {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.download-indicator-spinner {
  width: 12px;
  height: 12px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

.download-indicator-text {
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.download-indicator-percent {
  font-weight: 600;
}

/* Theme Toggle */
.theme-toggle {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--color-accent-subtle);
  border-color: var(--color-accent);
}

/* ============================================
   Main Content
   ============================================ */
.main {
  flex: 1;
  padding: var(--space-2xl) 0;
}

.page-header {
  margin-bottom: var(--space-2xl);
}

.page-title {
  font-size: 1.875rem;
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  color: var(--color-text-secondary);
  font-size: 1rem;
}

/* ============================================
   Cards - Angled Corner Cut Design
   ============================================ */
.card {
  position: relative;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  clip-path: polygon(
    0 0,
    calc(100% - 16px) 0,
    100% 16px,
    100% 100%,
    16px 100%,
    0 calc(100% - 16px)
  );
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    var(--color-accent-glow) 0%,
    transparent 50%
  );
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.card:hover::before {
  opacity: 1;
}

.card-sm {
  padding: var(--space-md);
  clip-path: polygon(
    0 0,
    calc(100% - 12px) 0,
    100% 12px,
    100% 100%,
    12px 100%,
    0 calc(100% - 12px)
  );
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inverse);
  clip-path: polygon(
    0 0,
    calc(100% - 8px) 0,
    100% 8px,
    100% 100%,
    8px 100%,
    0 calc(100% - 8px)
  );
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  clip-path: polygon(
    0 0,
    calc(100% - 8px) 0,
    100% 8px,
    100% 100%,
    8px 100%,
    0 calc(100% - 8px)
  );
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover {
  color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
}

.btn-sm {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
  min-width: auto;
}

.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
}

/* ============================================
   Form Elements
   ============================================ */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  clip-path: polygon(
    0 0,
    calc(100% - 8px) 0,
    100% 8px,
    100% 100%,
    8px 100%,
    0 calc(100% - 8px)
  );
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.input-group {
  display: flex;
  gap: var(--space-sm);
}

.input-group .form-input {
  flex: 1;
}

/* ============================================
   Channel Form Component
   ============================================ */
.channel-form {
  max-width: 600px;
  margin: 0 auto;
}

.channel-form-card {
  text-align: center;
}

.channel-form-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-size: 1.5rem;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.channel-form-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.channel-form-desc {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

.channel-input-wrapper {
  position: relative;
}

.channel-input-prefix {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
  font-size: 1rem;
  pointer-events: none;
}

.channel-input {
  padding-left: 2.5rem;
}

/* ============================================
   Channel List
   ============================================ */
.channel-list {
  display: grid;
  gap: var(--space-lg);
}

@media (min-width: 640px) {
  .channel-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .channel-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================
   Channel Card
   ============================================ */
.channel-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.channel-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.channel-avatar {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.25rem;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.channel-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.channel-info {
  flex: 1;
  min-width: 0;
}

.channel-name {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.channel-username {
  font-size: 0.875rem;
  color: var(--color-accent);
}

.channel-stats {
  display: flex;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.channel-stat {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.channel-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ============================================
   Posts List
   ============================================ */
.posts-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.posts-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  position: relative;
  z-index: 10;
}

.posts-filters .btn {
  position: relative;
  z-index: 11;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.date-filter {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* Sort Buttons */
.sort-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.sort-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-right: var(--space-sm);
}

.sort-btn {
  padding: var(--space-xs) var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sort-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.sort-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.date-filter label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.date-filter input {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  cursor: pointer;
  width: 100px;
  text-align: center;
}

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

/* ============================================
   Post Card
   ============================================ */
.post-card {
  padding: var(--space-lg);
}

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

.post-date {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.post-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.75rem;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.post-link:hover {
  color: var(--color-accent-hover);
}

.post-content {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-primary);
  margin-bottom: var(--space-lg);
  word-break: break-word;
  cursor: pointer;
}

.post-content-truncated {
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


.post-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.post-stat {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.post-stat-icon {
  font-size: 1rem;
}

.post-reactions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.reaction-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
}

.reaction-emoji {
  font-size: 0.875rem;
}

.reaction-count {
  font-family: var(--font-mono);
  color: var(--color-text-secondary);
}

/* ============================================
   Modal / Dialog
   ============================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  clip-path: polygon(
    0 0,
    calc(100% - 24px) 0,
    100% 24px,
    100% 100%,
    24px 100%,
    0 calc(100% - 24px)
  );
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition-base);
}

.modal-backdrop.active .modal {
  transform: scale(1) translateY(0);
}

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

.modal-title {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-error);
  color: white;
}

.modal-body {
  padding: var(--space-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Download Progress Modal
   ============================================ */
.progress-modal {
  text-align: center;
}

.progress-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-size: 2rem;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

.progress-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.progress-subtitle {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  margin-bottom: var(--space-xl);
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--color-bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-hover));
  border-radius: 4px;
  transition: width var(--transition-base);
  box-shadow: var(--shadow-glow);
}

.progress-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
}

.progress-stat {
  text-align: center;
}

.progress-stat-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.progress-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.progress-status {
  margin-top: var(--space-xl);
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  text-align: left;
  max-height: 120px;
  overflow-y: auto;
}

.status-line {
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
}

.status-line:last-child {
  border-bottom: none;
}

.status-line.error {
  color: var(--color-error);
}

/* ============================================
   Download Progress Card (Inline)
   ============================================ */
.download-progress-card {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--space-xl);
}

.download-progress-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.download-progress-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-size: 1.25rem;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.download-progress-info {
  flex: 1;
  min-width: 0;
}

.download-cancel-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  flex-shrink: 0;
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.download-cancel-btn:hover {
  background: var(--color-error);
  border-color: var(--color-error);
  color: white;
}

.download-progress-icon.completed {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-success);
}

.download-progress-icon.failed {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-error);
}

.download-progress-title {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text-primary);
}

.download-progress-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: var(--space-xs) 0 0;
}

.download-progress-bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.download-progress-bar-wrap .progress-bar-container {
  flex: 1;
  margin-bottom: 0;
}

.download-progress-bar-wrap .progress-bar.completed {
  background: var(--color-success);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.4);
}

.download-progress-bar-wrap .progress-bar.failed {
  background: var(--color-error);
  box-shadow: 0 0 10px rgba(239, 68, 68, 0.3);
}

.download-progress-percent {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  min-width: 3rem;
  text-align: right;
}

.download-progress-stats {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.download-progress-hint {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
}

.download-status-messages {
  background: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.status-message {
  padding: var(--space-xs) 0;
  color: var(--color-text-secondary);
}

.status-message.success {
  color: var(--color-success);
}

.status-message.warning {
  color: var(--color-warning);
}

.status-message.error {
  color: var(--color-error);
}

.download-progress-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}

.status-line.warning {
  color: var(--color-warning);
}

.status-line.success {
  color: var(--color-success);
}

/* ============================================
   Export Dialog
   ============================================ */
.export-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.export-date-range {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.export-date-range .date-input {
  flex: 1;
  text-align: center;
  cursor: pointer;
}

.date-separator {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Flatpickr customization */
.flatpickr-calendar {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  font-family: var(--font-mono);
  z-index: 99999 !important;
}

/* Mobile touch support */
.flatpickr-calendar.open {
  display: block;
}

.form-input.flatpickr-input {
  -webkit-user-select: none;
  user-select: none;
  cursor: pointer;
}

/* Ensure hidden flatpickr doesn't block clicks */
.flatpickr-calendar:not(.open) {
  pointer-events: none !important;
}

.flatpickr-calendar.arrowTop::before,
.flatpickr-calendar.arrowTop::after {
  border-bottom-color: var(--color-border);
}

.flatpickr-months {
  background: var(--color-bg-tertiary);
}

.flatpickr-months .flatpickr-month {
  background: transparent;
  color: var(--color-text-primary);
}

.flatpickr-current-month .flatpickr-monthDropdown-months {
  background: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

.flatpickr-current-month input.cur-year {
  color: var(--color-text-primary);
}

.flatpickr-months .flatpickr-prev-month,
.flatpickr-months .flatpickr-next-month {
  color: var(--color-text-secondary);
  fill: var(--color-text-secondary);
}

.flatpickr-months .flatpickr-prev-month:hover,
.flatpickr-months .flatpickr-next-month:hover {
  color: var(--color-accent);
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
  fill: var(--color-accent);
}

span.flatpickr-weekday {
  background: transparent;
  color: var(--color-text-muted);
  font-weight: 600;
}

.flatpickr-day {
  color: var(--color-text-primary);
  border-radius: 4px;
}

.flatpickr-day:hover {
  background: var(--color-accent-subtle);
  border-color: var(--color-accent);
}

.flatpickr-day.today {
  border-color: var(--color-accent);
}

.flatpickr-day.selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.flatpickr-day.flatpickr-disabled {
  color: var(--color-text-muted);
}

.flatpickr-day.prevMonthDay,
.flatpickr-day.nextMonthDay {
  color: var(--color-text-muted);
}

.export-preview {
  padding: var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.export-preview-title {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.export-preview-filename {
  color: var(--color-accent);
  word-break: break-all;
}

.export-modal {
  max-width: 520px;
}

.export-channel-info {
  margin-bottom: var(--space-sm);
  text-align: center;
}

.channel-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  clip-path: polygon(
    0 0,
    calc(100% - 6px) 0,
    100% 6px,
    100% 100%,
    6px 100%,
    0 calc(100% - 6px)
  );
}

.channel-badge-icon {
  opacity: 0.6;
}

.export-section {
  margin-bottom: var(--space-md);
}

.export-section-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.export-section-desc {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

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

.format-option {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-bg-tertiary);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.format-option:hover {
  border-color: var(--color-accent);
}

.format-option.active {
  background: var(--color-accent-subtle);
  border-color: var(--color-accent);
}

.format-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-accent);
}

.format-label {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.875rem;
}

.format-desc {
  display: none;
}

/* Mode Selector */
.mode-selector {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.mode-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-option:hover,
.mode-option.active {
  border-color: var(--color-accent);
}

.mode-option input {
  display: none;
}

.mode-radio {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  transition: all var(--transition-fast);
}

.mode-option input:checked + .mode-radio {
  border-color: var(--color-accent);
}

.mode-option input:checked + .mode-radio::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.mode-content {
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.mode-label {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
}

.mode-desc {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* Checkbox Option */
.checkbox-option {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  padding: var(--space-xs) 0;
}

.checkbox-option input {
  display: none;
}

.checkbox-mark {
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  clip-path: polygon(
    0 0,
    calc(100% - 3px) 0,
    100% 3px,
    100% 100%,
    3px 100%,
    0 calc(100% - 3px)
  );
}

.checkbox-option:hover .checkbox-mark {
  border-color: var(--color-accent);
}

.checkbox-option input:checked + .checkbox-mark {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.checkbox-option input:checked + .checkbox-mark::after {
  content: '✓';
  color: var(--color-text-inverse);
  font-size: 0.625rem;
  font-weight: 700;
}

.checkbox-content {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-xs);
}

.checkbox-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.checkbox-hint {
  font-size: 0.7rem;
  color: var(--color-text-muted);
}

/* Export Preview Box */
.export-preview-box {
  background: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-md);
}

.preview-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
  font-size: 0.8rem;
}

.preview-row:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

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

.preview-value {
  font-family: var(--font-mono);
  color: var(--color-accent);
}

/* ============================================
   Empty States
   ============================================ */
.empty-state {
  text-align: center;
  padding: var(--space-3xl) var(--space-lg);
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-tertiary);
  color: var(--color-text-muted);
  font-size: 2rem;
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.empty-state-title {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.empty-state-desc {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  max-width: 400px;
  margin: 0 auto;
}

/* ============================================
   Loading States
   ============================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-border) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

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

.toast {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  font-size: 0.875rem;
  animation: slideIn 0.3s ease;
  clip-path: polygon(
    0 0,
    calc(100% - 8px) 0,
    100% 8px,
    100% 100%,
    8px 100%,
    0 calc(100% - 8px)
  );
}

.toast.success {
  border-color: var(--color-success);
}

.toast.error {
  border-color: var(--color-error);
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ============================================
   Pagination
   ============================================ */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-xl);
}

.pagination-btn {
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
}

.pagination-btn.active {
  background: var(--color-accent);
  color: var(--color-text-inverse);
}

.pagination-info {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 0 var(--space-md);
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.slide-up {
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Staggered animation delays */
.stagger > * {
  animation: slideUp 0.4s ease backwards;
}

.stagger > *:nth-child(1) { animation-delay: 0ms; }
.stagger > *:nth-child(2) { animation-delay: 50ms; }
.stagger > *:nth-child(3) { animation-delay: 100ms; }
.stagger > *:nth-child(4) { animation-delay: 150ms; }
.stagger > *:nth-child(5) { animation-delay: 200ms; }
.stagger > *:nth-child(6) { animation-delay: 250ms; }

/* ============================================
   Utility Classes
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--color-accent); }

.mt-auto { margin-top: auto; }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.hidden { display: none; }

/* ============================================
   Telegram Error Modal
   ============================================ */
.telegram-error-modal {
  text-align: center;
}

.telegram-error-message {
  font-size: 1.125rem;
  margin-bottom: var(--space-lg);
  color: var(--text-secondary);
}

.telegram-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.125rem;
  padding: var(--space-md) var(--space-xl);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  margin-top: auto;
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-accent);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  clip-path: polygon(
    0 0,
    calc(100% - 4px) 0,
    100% 4px,
    100% 100%,
    4px 100%,
    0 calc(100% - 4px)
  );
}

.footer-link:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-subtle);
}

.footer-link-icon {
  font-size: 0.875rem;
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 640px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }

  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .header-inner {
    height: 56px;
  }

  .modal {
    max-width: 100%;
    margin: var(--space-md);
    clip-path: polygon(
      0 0,
      calc(100% - 16px) 0,
      100% 16px,
      100% 100%,
      16px 100%,
      0 calc(100% - 16px)
    );
  }

  .format-selector {
    grid-template-columns: 1fr;
  }

  .posts-header {
    flex-direction: column;
    align-items: stretch;
  }

  .posts-filters {
    flex-direction: column;
  }
}