/* ── DM Sans + RishiRich Design System ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&display=swap');

/* ── CSS Variables — Light Mode ─────────────────────────────────────────────── */
:root,
[data-theme="light"] {
  --bg:          #ffffff;
  --bg-secondary: #f5f5f5;
  --bg-tertiary: #eeeeee;
  --surface:     #ffffff;
  --surface-2:   #f9f9f9;
  --border:      #e0e0e0;
  --border-strong: #c0c0c0;
  --text:        #0a0a0a;
  --text-2:      #444444;
  --text-3:      #888888;
  --text-inv:    #ffffff;
  --accent:      #0a0a0a;
  --accent-hover: #333333;
  --badge-bg:    #0a0a0a;
  --badge-text:  #ffffff;
  --danger:      #cc0000;
  --success:     #006600;
  --warning:     #996600;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.08);
  --shadow-md:   0 4px 16px rgba(0,0,0,.10);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.14);
  --radius:      8px;
  --radius-lg:   14px;
  --radius-full: 999px;
  --sidebar-w:   240px;
  --transition:  0.18s ease;
}

/* ── CSS Variables — Dark Mode ──────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:          #0a0a0a;
  --bg-secondary: #111111;
  --bg-tertiary: #1a1a1a;
  --surface:     #111111;
  --surface-2:   #181818;
  --border:      #252525;
  --border-strong: #3a3a3a;
  --text:        #f5f5f5;
  --text-2:      #aaaaaa;
  --text-3:      #666666;
  --text-inv:    #0a0a0a;
  --accent:      #f5f5f5;
  --accent-hover: #cccccc;
  --badge-bg:    #f5f5f5;
  --badge-text:  #0a0a0a;
  --danger:      #ff4444;
  --success:     #44cc44;
  --warning:     #ffaa00;
  --shadow-sm:   0 1px 3px rgba(0,0,0,.4);
  --shadow-md:   0 4px 16px rgba(0,0,0,.5);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.6);
}

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

html { font-size: 15px; scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  font-optical-sizing: auto;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  transition: background var(--transition), color var(--transition);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }
input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: var(--text);
  background: var(--surface);
}

/* ── Sidebar ─────────────────────────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform var(--transition), background var(--transition);
  overflow-y: auto;
}

.sidebar-brand {
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-glyph {
  font-size: 1.4rem;
  line-height: 1;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: 16px;
}

.nav-section-label {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-3);
  padding: 8px 10px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  transition: background var(--transition), color var(--transition);
  position: relative;
}

.nav-item:hover {
  background: var(--bg-secondary);
  color: var(--text);
}

.nav-item.active {
  background: var(--accent);
  color: var(--text-inv);
}

.nav-icon {
  font-size: 0.9rem;
  opacity: 0.8;
  flex-shrink: 0;
}

.nav-badge {
  margin-left: auto;
  background: var(--badge-bg);
  color: var(--badge-text);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
}

.nav-item.active .nav-badge {
  background: rgba(255,255,255,0.2);
  color: inherit;
}

[data-theme="dark"] .nav-item.active .nav-badge {
  background: rgba(0,0,0,0.2);
}

/* ── Sidebar Footer ──────────────────────────────────────────────────────────── */
.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: var(--radius);
  background: var(--bg-secondary);
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.user-avatar-placeholder {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-inv);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.user-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.user-name {
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-plan {
  font-size: 0.65rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.user-logout {
  font-size: 1.1rem;
  color: var(--text-3);
  transition: color var(--transition);
  flex-shrink: 0;
}

.user-logout:hover { color: var(--danger); }

.btn-login-sidebar {
  display: block;
  text-align: center;
  padding: 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background var(--transition), color var(--transition);
}

.btn-login-sidebar:hover {
  background: var(--accent);
  color: var(--text-inv);
  border-color: var(--accent);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: none;
  color: var(--text-3);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.theme-toggle:hover {
  border-color: var(--border-strong);
  color: var(--text);
}

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

/* ── Mobile Header ─────────────────────────────────────────────────────────── */
.mobile-header {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 90;
}

.sidebar-toggle, .mobile-cart {
  background: none;
  border: none;
  font-size: 1.1rem;
  color: var(--text);
  padding: 4px 8px;
  border-radius: var(--radius);
}

.brand-logo-mobile {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
}

.cart-count {
  font-size: 0.7rem;
  font-weight: 700;
  vertical-align: super;
}

/* ── Main Content ─────────────────────────────────────────────────────────── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  min-height: 100vh;
  background: var(--bg);
  transition: background var(--transition);
}

/* ── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
  padding: 36px 36px 0;
  margin-bottom: 28px;
}

.page-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.page-subtitle {
  font-size: 0.9rem;
  color: var(--text-2);
  margin-top: 6px;
}

.page-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

/* ── Inner Content ───────────────────────────────────────────────────────── */
.page-body {
  padding: 0 36px 40px;
}

/* ── Cards ────────────────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: background var(--transition), border var(--transition);
}

.card-header {
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-title {
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.card-body { padding: 20px 24px; }

.card-hover {
  transition: box-shadow var(--transition), transform var(--transition);
}

.card-hover:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* ── Product Cards ───────────────────────────────────────────────────────── */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: var(--border-strong);
}

.product-card-img {
  aspect-ratio: 1;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  position: relative;
  overflow: hidden;
}

.product-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-card-body {
  padding: 16px;
}

.product-asset-number {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}

.product-name {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 2px;
}

.product-subtitle {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-bottom: 12px;
}

.product-price {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-card-footer {
  padding: 12px 16px 16px;
  display: flex;
  gap: 8px;
}

.glyph-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  color: var(--text-2);
  margin-top: 6px;
}

.badge-limited {
  background: var(--accent);
  color: var(--text-inv);
  border-color: var(--accent);
}

.badge-custom {
  background: var(--bg-secondary);
}

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

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

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

.btn-outline {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--text);
}

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

.btn-sm {
  padding: 7px 14px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1rem;
}

.btn-full { width: 100%; }

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

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

.form-control {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  transition: border-color var(--transition);
  outline: none;
  width: 100%;
}

.form-control:focus {
  border-color: var(--accent);
}

.form-control::placeholder {
  color: var(--text-3);
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

/* ── Stats Row ────────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 8px;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.stat-delta {
  font-size: 0.75rem;
  color: var(--text-3);
  margin-top: 4px;
}

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th {
  text-align: left;
  padding: 10px 14px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text-2);
  vertical-align: middle;
}

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

tr:hover td {
  background: var(--bg-secondary);
  color: var(--text);
}

/* ── Status Pills ─────────────────────────────────────────────────────────── */
.status {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
}

.status-pending    { background: rgba(255,170,0,.15);  color: #996600; }
.status-confirmed  { background: rgba(0,100,255,.1);   color: #0044cc; }
.status-processing { background: rgba(100,0,255,.1);   color: #5500cc; }
.status-shipped    { background: rgba(0,150,255,.12);  color: #005599; }
.status-delivered  { background: rgba(0,140,0,.1);     color: #006600; }
.status-cancelled  { background: rgba(200,0,0,.1);     color: #cc0000; }

[data-theme="dark"] .status-pending    { color: #ffaa00; }
[data-theme="dark"] .status-confirmed  { color: #66aaff; }
[data-theme="dark"] .status-processing { color: #aa88ff; }
[data-theme="dark"] .status-shipped    { color: #44aaff; }
[data-theme="dark"] .status-delivered  { color: #44cc44; }
[data-theme="dark"] .status-cancelled  { color: #ff6666; }

/* ── Tabs ─────────────────────────────────────────────────────────────────── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.tab {
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-3);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: inherit;
}

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

.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* ── Flash Messages ───────────────────────────────────────────────────────── */
.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 20px;
  margin: 16px 36px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.flash-success { background: rgba(0,140,0,.08); border-color: rgba(0,140,0,.2); color: var(--success); }
.flash-error   { background: rgba(200,0,0,.08); border-color: rgba(200,0,0,.2); color: var(--danger); }
.flash-info    { background: rgba(0,100,255,.06); border-color: rgba(0,100,255,.15); color: #0055cc; }

.flash-close {
  background: none;
  border: none;
  font-size: 1.1rem;
  color: inherit;
  opacity: 0.6;
  padding: 0 4px;
}

/* ── Karma Bar ────────────────────────────────────────────────────────────── */
.karma-bar-wrap {
  margin-top: 8px;
}

.karma-bar {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.karma-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

/* ── Empty State ──────────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 24px;
  text-align: center;
  color: var(--text-3);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 8px;
}

.empty-text {
  font-size: 0.875rem;
  max-width: 300px;
  line-height: 1.6;
}

/* ── Grid Utilities ───────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ── Misc ─────────────────────────────────────────────────────────────────── */
.text-muted   { color: var(--text-3); }
.text-small   { font-size: 0.8rem; }
.font-mono    { font-family: 'DM Mono', 'Fira Code', monospace; font-size: 0.85rem; }
.mb-4         { margin-bottom: 4px; }
.mb-8         { margin-bottom: 8px; }
.mb-16        { margin-bottom: 16px; }
.mb-24        { margin-bottom: 24px; }
.mt-auto      { margin-top: auto; }
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; justify-content: center; }
.items-center { align-items: center; }
.gap-8        { gap: 8px; }
.gap-12       { gap: 12px; }
.gap-16       { gap: 16px; }

/* ── Auth pages ───────────────────────────────────────────────────────────── */
.auth-wrap {
  margin-left: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  padding: 24px;
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.auth-logo {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  margin-bottom: 6px;
}

.auth-tagline {
  font-size: 0.8rem;
  color: var(--text-3);
  margin-bottom: 32px;
  letter-spacing: 0.04em;
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text-3);
  font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.btn-helix {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  background: var(--accent);
  color: var(--text-inv);
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--transition);
  letter-spacing: 0.01em;
  text-decoration: none;
}

.btn-helix:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

/* ── Sidebar Overlay (mobile) ─────────────────────────────────────────────── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 99;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }
  .sidebar-overlay.active { display: block; }
  .mobile-header { display: flex; }
  .main-content { margin-left: 0; padding-top: 56px; }
  .page-header { padding: 24px 20px 0; }
  .page-body { padding: 0 20px 32px; }
  .flash { margin: 12px 20px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .auth-card { padding: 28px 20px; }
}