/* ── Design System: Dark Theme with Space Grotesk ── */

:root {
  --bg: #070b10;
  --panel: #0f1623;
  --border: #1e293b;
  --accent: #06b6d4;
  --green: #10b981;
  --gold: #f59e0b;
  --text: #e2e8f0;
  --muted: #64748b;
  --danger: #ef4444;
  --radius: 10px;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ── Body ── */
body {
  font-family: 'Space Grotesk', sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* ── Layout ── */
.layout {
  display: flex;
}

.sidebar {
  width: 220px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  height: 100vh;
  position: fixed;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.main {
  flex: 1;
  margin-left: 220px;
  min-height: 100vh;
}

/* ── Topbar ── */
.topbar {
  height: 56px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-title {
  font-size: 16px;
  font-weight: 700;
}

.topbar-user {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Content ── */
.content {
  padding: 24px;
  max-width: 1200px;
}

/* ── Sidebar Nav ── */
.sidebar-logo {
  padding: 20px;
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
}

.nav-section {
  padding: 8px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: all 0.15s;
}

.nav-item:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(6, 182, 212, 0.06);
}

.nav-icon {
  width: 20px;
  text-align: center;
}

.nav-home {
  margin-bottom: 4px;
}

/* ── Nav Categories ── */
.nav-category {
  margin-bottom: 2px;
}

.nav-category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  cursor: pointer;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: #475569;
  user-select: none;
}

.nav-category-header:hover {
  color: #94a3b8;
}

.nav-category-header .cat-icon {
  font-size: 13px;
}

.nav-category-header .cat-chevron {
  margin-left: auto;
  font-size: 10px;
  transition: transform 0.2s;
}

.nav-category-header.collapsed .cat-chevron {
  transform: rotate(-90deg);
}

.nav-category-items {
  overflow: hidden;
}

.nav-category-items.collapsed {
  display: none;
}

.nav-category-items .nav-item {
  padding-left: 28px;
}

/* ── Card ── */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

/* ── Buttons ── */
.btn {
  padding: 10px 20px;
  border-radius: 8px;
  border: none;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.btn:hover {
  opacity: 0.85;
}

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

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

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

.btn-danger {
  background: var(--danger);
  color: white;
}

.btn-success {
  background: var(--green);
  color: white;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

/* ── Badges ── */
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}

.badge-accent {
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: var(--green);
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold);
}

.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--danger);
}

/* ── Forms ── */
.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 500;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0a0e14;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Empty State ── */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p {
  margin-bottom: 16px;
}

/* ── Spinner ── */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}

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

/* ── Toast ── */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  animation: slideIn 0.3s;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
}

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

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

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

/* ── Module Disabled ── */
.module-disabled {
  text-align: center;
  padding: 80px 20px;
}

.module-disabled h2 {
  font-size: 20px;
  color: var(--muted);
  margin-bottom: 8px;
}

.module-disabled p {
  color: var(--muted);
  font-size: 14px;
}

/* ── Grid Helpers ── */
.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

/* ── Flex Helpers ── */
.flex {
  display: flex;
}

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

.gap-sm {
  gap: 8px;
}

.gap-md {
  gap: 16px;
}

/* ── Text Helpers ── */
.text-muted {
  color: var(--muted);
}

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

.text-green {
  color: var(--green);
}

.text-gold {
  color: var(--gold);
}

/* ── Spacing Helpers ── */
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }

.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }

/* ── Mobile ── */
@media (max-width: 768px) {
  .sidebar {
    display: none;
  }
  .main {
    margin-left: 0;
  }
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}