/* ==========================================================
   Linux Distro Directory & Showcase - Stylesheet
   Modern, accessible, responsive design with dark/light themes
   ========================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Dark Theme (Default) */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: #172033;
  --bg-card-hover: #1e293b;
  --bg-input: #1e293b;
  --border-color: #2e3c54;
  --border-subtle: #1e293b;

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-primary: #38bdf8;
  --accent-primary-hover: #0ea5e9;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f1f5f9;
  --border-color: #e2e8f0;
  --border-subtle: #edf2f7;

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

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ================= Base & Layout ================= */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  text-decoration: underline;
}

/* ================= Header ================= */
.app-header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #0284c7, #6366f1);
  color: #ffffff;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.35);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-icon:hover {
  background: var(--bg-card-hover);
}

[data-theme="light"] .theme-icon-light { display: none; }
[data-theme="light"] .theme-icon-dark { display: inline; }
[data-theme="dark"] .theme-icon-dark { display: none; }
[data-theme="dark"] .theme-icon-light { display: inline; }

.badge-db {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  text-decoration: none;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-success);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ================= Filters Section ================= */
.filter-section {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 1.5rem;
}

.filter-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.search-box {
  position: relative;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  padding: 0.75rem 2.75rem;
  font-size: 0.95rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.btn-clear {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  font-size: 1.3rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

.btn-clear:hover {
  color: var(--text-primary);
}

.filter-groups {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  min-width: 125px;
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pill {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pill:hover {
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.pill.active {
  background: var(--accent-primary);
  color: #0b0f19;
  border-color: var(--accent-primary);
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(56, 189, 248, 0.3);
}

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

.summary-text {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.btn-ghost {
  background: transparent;
  color: var(--accent-primary);
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
}

.btn-ghost:hover {
  text-decoration: underline;
}

/* ================= Main Content & Table/Field Cards ================= */
.main-content {
  flex: 1;
  padding: 2rem 1.5rem;
}

.content-container {
  max-width: 1280px;
  margin: 0 auto;
}

.distro-table-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* Individual Distribution Field Container */
.distro-field {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.distro-field:hover {
  border-color: #3b82f6;
  box-shadow: var(--shadow-lg);
}

/* Row 0: Headline */
.distro-headline {
  background: linear-gradient(90deg, rgba(30, 41, 59, 0.7), rgba(15, 23, 42, 0.4));
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.headline-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.distro-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: #ffffff;
  padding: 4px;
  object-fit: contain;
  box-shadow: var(--shadow-sm);
}

.distro-name-group h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.distro-tagline {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.headline-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.external-link:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
  text-decoration: none;
}

/* Row 1: Facts for Filtering */
.distro-facts-row {
  background: rgba(17, 24, 39, 0.4);
  padding: 0.9rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  align-items: flex-start;
}

.fact-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.fact-title {
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.fact-values {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

/* Badges & Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-target {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-target-desktop {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-target-server {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-target-gaming {
  background: rgba(236, 72, 153, 0.15);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.3);
}

.badge-target-security {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-target-office {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-target-enterprise {
  background: rgba(220, 38, 38, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(220, 38, 38, 0.3);
}

.badge-target-cloud {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.3);
}

.badge-target-storage {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-target-network {
  background: rgba(249, 115, 22, 0.15);
  color: #fb923c;
  border: 1px solid rgba(249, 115, 22, 0.3);
}

.badge-target-minimal {
  background: rgba(100, 116, 139, 0.15);
  color: #cbd5e1;
  border: 1px solid rgba(100, 116, 139, 0.3);
}

.badge-arch {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  font-family: var(--font-mono);
  font-size: 0.725rem;
}

.badge-version {
  background: rgba(139, 92, 246, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(139, 92, 246, 0.3);
  font-family: var(--font-mono);
  font-size: 0.775rem;
}

.badge-eol {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
}

.badge-eol.active {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-eol.rolling {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-cloud {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.badge-cloud-yes {
  background: rgba(14, 165, 233, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(14, 165, 233, 0.35);
}

.badge-cloud-yes:hover {
  background: rgba(14, 165, 233, 0.25);
  border-color: #38bdf8;
  color: #7dd3fc;
}

.badge-cloud-no {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.badge-live {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.775rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.badge-live-yes {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-live-yes:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: #34d399;
  color: #6ee7b7;
}

.badge-live-no {
  background: rgba(245, 158, 11, 0.12);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Row 2: Slideshow & Short Description */
.distro-media-row {
  padding: 1.5rem;
  display: grid;
  grid-template-columns: minmax(320px, 480px) 1fr;
  gap: 1.75rem;
  align-items: stretch;
}

@media (max-width: 860px) {
  .distro-media-row {
    grid-template-columns: 1fr;
  }
}

/* Slideshow Component */
.slideshow-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.slideshow {
  position: relative;
  background: #000000;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.3s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.slide-item.active {
  opacity: 1;
  pointer-events: auto;
}

.slide-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.slide-item img:hover {
  transform: scale(1.02);
}

/* Slideshow Controls */
.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(15, 23, 42, 0.75);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: all var(--transition-fast);
  backdrop-filter: blur(4px);
}

.slide-btn:hover {
  background: rgba(56, 189, 248, 0.9);
  color: #0b0f19;
  border-color: #38bdf8;
}

.slide-btn.prev { left: 0.5rem; }
.slide-btn.next { right: 0.5rem; }

.slide-fullscreen-btn {
  position: absolute;
  bottom: 0.5rem;
  right: 0.5rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  backdrop-filter: blur(4px);
}

.slide-fullscreen-btn:hover {
  background: rgba(56, 189, 248, 0.85);
  color: #0b0f19;
}

.slideshow-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 0.25rem;
}

.slide-caption {
  font-size: 0.775rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 75%;
}

.slide-dots {
  display: flex;
  gap: 0.35rem;
  align-items: center;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--border-color);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dot.active {
  background: var(--accent-primary);
  width: 18px;
  border-radius: 4px;
}

/* Right Column: Short Description */
.distro-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
}

.distro-description {
  font-size: 0.925rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.distro-quick-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  background: var(--bg-input);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.spec-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.spec-key {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-value {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Row 3: Download Possibilities */
.distro-download-row {
  background: rgba(15, 23, 42, 0.5);
  padding: 1.1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.download-row-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.download-title-text {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.download-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.download-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.85rem;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.download-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.dl-icon {
  font-size: 1.1rem;
  color: var(--accent-primary);
}

.dl-details {
  display: flex;
  flex-direction: column;
}

.dl-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.dl-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.dl-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: #0b0f19;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast);
}

.dl-action-btn:hover {
  background: var(--accent-primary-hover);
  text-decoration: none;
}

.dl-checksum-btn {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.5rem;
  font-size: 0.7rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dl-checksum-btn:hover {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* ================= Empty State & Spinner ================= */
.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  gap: 1rem;
  color: var(--text-secondary);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.btn-primary {
  background: var(--accent-primary);
  color: #0b0f19;
  font-weight: 600;
}

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

/* ================= Lightbox Modal ================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal.active {
  display: flex;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

.modal-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  z-index: 101;
}

.modal-close {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--accent-danger);
  color: #ffffff;
}

.modal-img-wrapper {
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.modal-img-wrapper img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
}

.modal-caption {
  padding: 0.85rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
  background: var(--bg-secondary);
}

/* ================= Toast Notification ================= */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #1e293b;
  color: #f8fafc;
  border: 1px solid var(--accent-primary);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: all 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ================= Footer ================= */
.app-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  margin-top: auto;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sep {
  color: var(--border-color);
}

/* ================= Header Authentication UI ================= */
.header-auth-container {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.9rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.25);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.login-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.4);
}

.user-pill-wrapper {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.user-pill-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.75rem 0.25rem 0.35rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 0.825rem;
  transition: all var(--transition-fast);
}

.user-pill-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.user-avatar-badge {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
}

.user-pill-name {
  font-weight: 600;
  max-width: 130px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-dash-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--accent-primary);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast);
}

.header-dash-link:hover {
  background: rgba(56, 189, 248, 0.22);
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-logout {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  transition: all var(--transition-fast);
}

.btn-logout:hover {
  color: var(--accent-danger);
  border-color: var(--accent-danger);
  background: rgba(239, 68, 68, 0.1);
}

/* User Role Badges */
.role-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: 0.675rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.role-badge-admin {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.35);
}

.role-badge-staff {
  background: rgba(56, 189, 248, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

.role-badge-mirror {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.35);
}

.role-badge-customer {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

/* ================= Auth & Profile Modals ================= */
.auth-modal-content {
  width: 100%;
  max-width: 450px;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.6);
  position: relative;
}

.auth-modal-header {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.auth-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.auth-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-primary);
  line-height: 1.3;
}

.auth-modal-subtitle {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.auth-alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.15rem;
  font-size: 0.825rem;
  line-height: 1.4;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.input-icon-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-wrapper .input-icon {
  position: absolute;
  left: 0.85rem;
  color: var(--text-muted);
  pointer-events: none;
}

.input-icon-wrapper input {
  width: 100%;
  padding: 0.65rem 2.5rem 0.65rem 2.45rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.input-icon-wrapper input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.btn-toggle-pw {
  position: absolute;
  right: 0.75rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0.6;
  padding: 0.2rem;
  display: flex;
  align-items: center;
}

.btn-toggle-pw:hover {
  opacity: 1;
}

.btn-block {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.925rem;
  font-weight: 600;
  border-radius: var(--radius-md);
}

.auth-modal-footer {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.auth-roles-hint {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.hint-title {
  font-size: 0.725rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.role-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

/* User Profile Account Grid */
.account-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.15rem 0;
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.account-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.account-item.full-width {
  grid-column: span 2;
}

.item-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.item-value {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
}

.api-key-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.35rem;
}

.item-badge {
  font-size: 0.7rem;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.api-key-box {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.api-key-field {
  flex: 1;
  padding: 0.45rem 0.65rem;
  font-size: 0.775rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.account-modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

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

.btn-secondary:hover {
  background: var(--bg-card-hover);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
  font-weight: 600;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #ffffff;
}

/* ==========================================================================
   Language Selector (i18n)
   ========================================================================== */
.lang-picker {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.lang-picker-inner {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.3rem 0.65rem;
  transition: all 0.2s ease;
  color: var(--text-primary);
}

.lang-picker-inner:hover,
.lang-picker-inner:focus-within {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.2);
}

.lang-globe-icon {
  font-size: 0.95rem;
  line-height: 1;
  pointer-events: none;
}

.lang-select {
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  font-family: inherit;
  padding-right: 0.25rem;
}

.lang-select option {
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 0.5rem;
}

.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;
}

/* Catalog Download Links Manager */
.btn-catalog-manage-links {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(59, 130, 246, 0.28);
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: all var(--transition-fast);
}

.btn-catalog-manage-links:hover {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
  box-shadow: 0 2px 6px rgba(59, 130, 246, 0.3);
}

.catalog-dl-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-input);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  gap: 0.75rem;
  transition: all var(--transition-fast);
}

.catalog-dl-row.editing {
  border-color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.08);
}