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

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

:root {
  --bg-deep: #080c10;
  --bg-primary: #0a0f14;
  --bg-surface: #0e1318;
  --bg-card: #111920;
  --bg-input: #0a0f14;
  --border: #1a2a30;
  --border-light: #243038;
  --accent: #5d8a90;
  --accent-bright: #7ab0b8;
  --accent-dim: #3d6068;
  --accent-glow: rgba(93, 138, 144, 0.15);
  --coral: #c0795a;
  --coral-dim: #8a5840;
  --coral-glow: rgba(192, 121, 90, 0.15);
  --cream: #c8bfa0;
  --cream-dim: #8a8470;
  --text: #8a9a9e;
  --text-bright: #b0c4c8;
  --text-muted: #4a5a5e;
  --text-label: #5a6a6e;
  --success: #5a9a70;
  --warning: #c0a050;
  --danger: #b04040;
  --transition: 200ms ease;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle grid background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(93, 138, 144, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93, 138, 144, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* Scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
  z-index: 0;
}

/* ─── Layout ─────────────────────────────────────────────── */

.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  width: 260px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent-bright);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.logo-icon {
  font-size: 22px;
  filter: grayscale(0.3);
}

.cat-list {
  flex: 1;
  padding: 8px;
  overflow-y: auto;
}

.cat-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  margin-bottom: 2px;
  position: relative;
}

.cat-list-item:hover {
  background: rgba(93, 138, 144, 0.05);
  border-color: var(--border);
}

.cat-list-item.active {
  background: rgba(93, 138, 144, 0.08);
  border-color: var(--accent-dim);
}

.cat-list-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--accent);
}

.cat-avatar {
  width: 34px;
  height: 34px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.cat-list-item.active .cat-avatar {
  border-color: var(--accent-dim);
}

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

.cat-list-name {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-bright);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cat-list-breed {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.sidebar-footer {
  padding: 8px;
  border-top: 1px solid var(--border);
}

.btn-add-cat {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-add-cat:hover {
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}

.btn-add-cat-mobile {
  display: none;
  padding: 4px 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition);
  align-items: center;
  gap: 4px;
}

.btn-add-cat-mobile:hover {
  border-color: var(--accent-dim);
  background: var(--accent-glow);
}

.btn-petkit-mobile {
  display: inline-flex;
  padding: 4px 10px;
  border: 1px solid var(--coral-dim);
  background: transparent;
  color: var(--coral);
  cursor: pointer;
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all var(--transition);
  align-items: center;
  gap: 4px;
}

.btn-petkit-mobile:hover {
  border-color: var(--coral);
  background: var(--coral-glow);
}

.ai-health-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.ai-health-trigger .btn-ai {
  font-size: 12px;
  padding: 7px 16px;
}

/* ─── Main Content ───────────────────────────────────────── */

.main-content {
  flex: 1;
  padding: 24px 32px;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
  min-width: 0;
  position: relative;
  z-index: 1;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 70vh;
  color: var(--text-muted);
  text-align: center;
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.3;
  filter: grayscale(0.5);
}

.empty-state h2 {
  font-family: 'Rajdhani', sans-serif;
  font-weight: 500;
  font-size: 18px;
  color: var(--text-label);
  margin-bottom: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.empty-state p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ─── Section Headers ────────────────────────────────────── */

.cat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  position: relative;
}

.cat-title {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.cat-title h1 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--text-bright);
}

.cat-meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  gap: 16px;
  margin-top: 4px;
  flex-wrap: wrap;
  letter-spacing: 0.5px;
}

.cat-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.cat-meta span::before {
  content: '//';
  color: var(--border-light);
  margin-right: 2px;
}

.header-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

/* ─── Navigation Tabs ────────────────────────────────────── */

.nav-tabs-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
  scrollbar-width: none;
}

.nav-tabs-wrap::-webkit-scrollbar {
  display: none;
}

.nav-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
  min-width: max-content;
}

.nav-tab {
  padding: 10px 16px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 2px;
  text-transform: uppercase;
}

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

.nav-tab.active {
  color: var(--accent-bright);
  border-bottom-color: var(--accent);
}

/* ─── Cards / Panels ────────────────────────────────────── */

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 16px;
  position: relative;
}

/* Corner decoration */
.card::before,
.card::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-color: var(--accent-dim);
  border-style: solid;
}

.card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 8px;
}

.card-title {
  font-family: 'Rajdhani', sans-serif;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-label);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 16px;
  position: relative;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--accent-dim), transparent);
}

.stat-label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'Rajdhani', sans-serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--cream);
  line-height: 1;
}

.stat-sub {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
  letter-spacing: 0.5px;
}

/* ─── Data Tables ────────────────────────────────────────── */

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 400px;
}

.data-table th {
  text-align: left;
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--text-muted);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  color: var(--text);
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tr:hover td {
  background: rgba(93, 138, 144, 0.04);
}

.data-table .mono {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-bright);
}

/* ─── Forms ──────────────────────────────────────────────── */

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group label {
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-muted);
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 8px 12px;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  color: var(--text-bright);
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 60px;
}

.form-group select {
  cursor: pointer;
}

/* ─── Buttons ────────────────────────────────────────────── */

.btn {
  padding: 8px 16px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.btn:hover {
  border-color: var(--accent-dim);
  color: var(--text-bright);
}

.btn-primary {
  background: var(--accent-dim);
  color: var(--bg-deep);
  border-color: var(--accent);
}

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

.btn-danger {
  color: var(--danger);
  border-color: transparent;
  background: transparent;
  padding: 4px 8px;
  font-size: 12px;
  letter-spacing: 0;
}

.btn-danger:hover {
  background: rgba(176, 64, 64, 0.15);
  border-color: rgba(176, 64, 64, 0.3);
}

.btn-edit {
  color: var(--accent);
  border: none;
  background: transparent;
  padding: 4px 8px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-edit:hover {
  color: var(--accent-bright);
  background: var(--accent-glow);
}

.btn-ai {
  background: transparent;
  border: 1px solid var(--coral-dim);
  color: var(--coral);
  padding: 10px 24px;
  font-size: 13px;
  position: relative;
  overflow: hidden;
}

.btn-ai::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent-glow), var(--coral-glow));
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-ai:hover::before {
  opacity: 1;
}

.btn-ai:hover {
  border-color: var(--coral);
  color: var(--cream);
}

.btn-ai:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-ai:disabled::before {
  display: none;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 11px;
}

/* ─── Inline Add Forms ───────────────────────────────────── */

.inline-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 16px;
  display: none;
}

.inline-form.open {
  display: block;
}

.inline-form-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  justify-content: flex-end;
}

/* ─── AI Health Assessment ───────────────────────────────── */

.ai-section {
  margin-top: 24px;
}

.ai-trigger {
  text-align: center;
  padding: 32px;
  border: 1px solid var(--border);
  margin-bottom: 16px;
  position: relative;
}

.ai-trigger::before,
.ai-trigger::after {
  content: '';
  position: absolute;
  width: 12px;
  height: 12px;
  border-color: var(--coral-dim);
  border-style: solid;
}

.ai-trigger::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.ai-trigger::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.ai-trigger p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.ai-result {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 24px;
  position: relative;
  overflow: hidden;
  line-height: 1.7;
}

.ai-result::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--coral), var(--accent), var(--coral));
  opacity: 0.6;
}

.ai-result h1, .ai-result h2, .ai-result h3 {
  font-family: 'Rajdhani', sans-serif;
  color: var(--accent-bright);
  margin-top: 16px;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.ai-result h1:first-child, .ai-result h2:first-child {
  margin-top: 0;
}

.ai-result p {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 8px;
}

.ai-result ul, .ai-result ol {
  padding-left: 20px;
  margin-bottom: 8px;
}

.ai-result li {
  font-size: 13px;
  margin-bottom: 4px;
}

.ai-result strong {
  color: var(--cream);
}

.ai-result em {
  color: var(--text-label);
}

.ai-result blockquote {
  border-left: 2px solid var(--coral-dim);
  padding-left: 12px;
  margin: 12px 0;
  color: var(--text-label);
  font-style: italic;
}

.ai-disclaimer {
  margin-top: 16px;
  padding: 12px;
  background: var(--bg-card);
  font-size: 11px;
  color: var(--text-muted);
  border-left: 2px solid var(--warning);
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--coral);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ─── Modal ──────────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: all 200ms;
  padding: 16px;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 500px;
  padding: 24px;
  position: relative;
  transform: translateY(10px);
  transition: transform 200ms;
  max-height: 90vh;
  overflow-y: auto;
}

/* Modal corner decorations */
.modal::before,
.modal::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--accent-dim);
  border-style: solid;
}

.modal::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.modal::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal h2 {
  font-family: 'Rajdhani', sans-serif;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--accent-bright);
  letter-spacing: 3px;
  text-transform: uppercase;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ─── Weight Chart ───────────────────────────────────────── */

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}

.chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-dot {
  fill: var(--accent-bright);
  stroke: var(--bg-card);
  stroke-width: 2;
}

.chart-label {
  fill: var(--text-muted);
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
}

.chart-title {
  fill: var(--text-muted);
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.chart-grid {
  stroke: var(--border);
  stroke-width: 0.5;
  stroke-dasharray: 4 4;
}

/* ─── Tags / Badges ──────────────────────────────────────── */

.badge {
  display: inline-block;
  padding: 2px 8px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  border: 1px solid;
}

.badge-dry { background: rgba(93, 138, 144, 0.1); color: var(--accent); border-color: var(--accent-dim); }
.badge-wet { background: rgba(90, 154, 112, 0.1); color: var(--success); border-color: rgba(90, 154, 112, 0.4); }
.badge-raw { background: rgba(192, 160, 80, 0.1); color: var(--warning); border-color: rgba(192, 160, 80, 0.4); }
.badge-treat { background: rgba(192, 121, 90, 0.1); color: var(--coral); border-color: var(--coral-dim); }
.badge-supplement { background: rgba(140, 110, 180, 0.1); color: #8c6eb4; border-color: rgba(140, 110, 180, 0.4); }

.badge-overdue { background: rgba(176, 64, 64, 0.15); color: #d06060; border-color: rgba(176, 64, 64, 0.4); }
.badge-upcoming { background: rgba(192, 160, 80, 0.15); color: var(--warning); border-color: rgba(192, 160, 80, 0.4); }
.badge-current { background: rgba(90, 154, 112, 0.15); color: var(--success); border-color: rgba(90, 154, 112, 0.4); }

/* ─── Scrollbar ──────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ─── Responsive ─────────────────────────────────────────── */

@media (max-width: 768px) {
  .app-layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sidebar-header {
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .sidebar-header .logo {
    font-size: 15px;
    letter-spacing: 2px;
  }

  .sidebar-header .user-bar {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    margin-left: auto;
    gap: 8px;
  }

  .sidebar-footer {
    display: none;
  }

  .btn-add-cat-mobile {
    display: inline-flex;
    flex-shrink: 0;
  }

  .btn-petkit-mobile {
    display: inline-flex;
    flex-shrink: 0;
  }

  .cat-list {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    padding: 8px 12px;
    scrollbar-width: none;
  }

  .cat-list::-webkit-scrollbar {
    display: none;
  }

  .cat-list-item {
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .cat-list-item.active::before {
    display: none;
  }

  .main-content {
    padding: 16px;
  }

  .cat-header {
    flex-direction: row;
    align-items: center;
    gap: 8px;
  }

  .header-actions {
    flex-shrink: 0;
  }

  .cat-title h1 {
    font-size: 20px;
    letter-spacing: 2px;
  }

  .cat-meta {
    font-size: 12px;
    gap: 10px;
  }

  .nav-tab {
    padding: 10px 14px;
    font-size: 13px;
    letter-spacing: 1.5px;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stat-card {
    padding: 12px;
  }

  .stat-value {
    font-size: 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .card {
    padding: 14px;
  }

  .hide-mobile {
    display: none;
  }

  .data-table {
    min-width: 0;
  }

  .data-table td,
  .data-table th {
    padding: 8px;
    font-size: 12px;
  }

  .data-table .mono {
    font-size: 11px;
  }

  .ai-trigger {
    padding: 20px 16px;
  }

  .modal {
    padding: 20px 16px;
  }
}

@media (max-width: 480px) {
  .stat-grid {
    grid-template-columns: 1fr;
  }

  .nav-tab {
    padding: 8px 12px;
    font-size: 12px;
    letter-spacing: 1px;
  }

  .cat-title h1 {
    font-size: 18px;
    letter-spacing: 1px;
  }

  .cat-meta {
    font-size: 11px;
    gap: 8px;
  }

  .header-actions .btn {
    padding: 4px 8px;
    font-size: 10px;
    letter-spacing: 1px;
  }
}

/* ─── Animations ─────────────────────────────────────────── */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 300ms ease;
}

@keyframes pulse-line {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.loading-pulse {
  animation: pulse-line 1.5s ease-in-out infinite;
}

/* ─── No Data States ─────────────────────────────────────── */

.no-data {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 1px;
}

.no-data-icon {
  font-size: 28px;
  margin-bottom: 8px;
  opacity: 0.3;
  filter: grayscale(0.5);
}

/* ─── User Bar (Sidebar) ─────────────────────────────────── */

.user-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}

.user-name {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Auth Page ──────────────────────────────────────────── */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg-deep);
  position: relative;
  z-index: 1;
}

.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  padding: 32px;
  width: 100%;
  max-width: 400px;
  position: relative;
}

/* Auth card corner decorations */
.auth-card::before,
.auth-card::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--accent-dim);
  border-style: solid;
}

.auth-card::before {
  top: -1px;
  left: -1px;
  border-width: 1px 0 0 1px;
}

.auth-card::after {
  bottom: -1px;
  right: -1px;
  border-width: 0 1px 1px 0;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent-bright);
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  overflow: hidden;
}

.auth-tab {
  flex: 1;
  padding: 10px;
  font-family: 'Rajdhani', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-card);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.auth-tab.active {
  background: var(--accent-dim);
  color: var(--bg-deep);
}

.auth-tab:hover:not(.active) {
  color: var(--text);
}

.auth-error {
  background: rgba(176, 64, 64, 0.15);
  border: 1px solid rgba(176, 64, 64, 0.3);
  padding: 10px 12px;
  font-size: 12px;
  color: #d06060;
  margin-bottom: 16px;
  display: none;
}

.auth-submit {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  justify-content: center;
}

.auth-card .form-group {
  margin-bottom: 12px;
}

/* ─── Decorative Line Separator ──────────────────────────── */

.line-sep {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-light), transparent);
  margin: 16px 0;
}

@media (max-width: 480px) {
  .auth-card {
    padding: 24px 20px;
  }
}