:root {
  --primary: #7c3aed;
  --primary-dark: #5b21b6;
  --bg: #f5f7ff;
  --sidebar: #0f172a;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #8b5cf6;
  --card: #ffffff;
  --border: #e9ecf9;
  --text: #1e293b;
  --muted: #64748b;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 16px;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 20px 45px rgba(91, 33, 182, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Inter', system-ui, sans-serif; background: linear-gradient(180deg, #f7f8ff 0%, #eef3ff 100%); color: var(--text); font-size: 14px; }
a { color: var(--primary); text-decoration: none; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: linear-gradient(180deg, #0f172a 0%, #111827 100%); display: flex; flex-direction: column; position: fixed; top: 0; left: 0; height: 100vh; z-index: 100; box-shadow: 10px 0 25px rgba(15, 23, 42, 0.08); }
.sidebar-logo { padding: 22px 20px 18px; border-bottom: 1px solid rgba(255,255,255,.06); }
.sidebar-logo h2 { color: #fff; font-size: 22px; font-weight: 800; letter-spacing: -0.04em; }
.sidebar-logo span { color: #c4b5fd; }
.sidebar-nav { flex: 1; padding: 16px 0; overflow-y: auto; }
.sidebar-nav a { display: flex; align-items: center; gap: 10px; padding: 10px 20px; color: var(--sidebar-text); font-size: 13.5px; transition: all .2s; border-left: 3px solid transparent; border-radius: 0 10px 10px 0; margin-right: 10px; }
.sidebar-nav a:hover, .sidebar-nav a.active { color: #fff; background: rgba(124,58,237,0.12); border-left-color: var(--sidebar-active); }
.topbar { background: rgba(255,255,255,0.85); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(148,163,184,0.2); padding: 0 28px; height: 60px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; }
.sidebar-nav a svg { width: 16px; height: 16px; flex-shrink: 0; }
.sidebar-section { padding: 8px 20px 4px; font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: #475569; }
.sidebar-footer { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.06); }
.sidebar-footer a {
  color: var(--sidebar-text);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 40px;
  padding: 10px 12px;
  border: 1px solid rgba(148,163,184,0.25);
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
}
.sidebar-footer a:hover { background: rgba(255,255,255,0.05); color: #fff; }

.main { margin-left: 240px; flex: 1; display: flex; flex-direction: column; }
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 0 28px; height: 60px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 50; }
.topbar h1 { font-size: 16px; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.content { padding: 28px; flex: 1; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.card-title { font-size: 15px; font-weight: 700; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.stat-label { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 8px; }
.stat-value { font-size: 26px; font-weight: 800; color: var(--text); }
.stat-sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.stat-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.stat-icon.green { background: #d1fae5; color: #059669; }
.stat-icon.blue { background: #dbeafe; color: #2563eb; }
.stat-icon.orange { background: #ffedd5; color: #ea580c; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 10px 14px; font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); border-bottom: 1px solid var(--border); }
td { padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; }
.badge-green { background: #d1fae5; color: #065f46; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-yellow { background: #fef3c7; color: #92400e; }
.badge-blue { background: #dbeafe; color: #1e40af; }
.badge-gray { background: #f1f5f9; color: #475569; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 40px;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .01em;
  cursor: pointer;
  text-align: center;
  border: 1px solid transparent;
  transition: all .2s ease;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.06);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(99, 102, 241, 0.12);
}
.btn:focus-visible {
  outline: 3px solid rgba(99,102,241,.14);
  outline-offset: 2px;
}
.btn-primary {
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border-color: var(--primary-dark);
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { background: var(--bg); border-color: #cbd5e1; }
.btn-danger {
  background: linear-gradient(180deg, var(--danger) 0%, #dc2626 100%);
  color: #fff;
  border-color: #dc2626;
}
.btn-danger:hover { background: #dc2626; }
.btn-success {
  background: linear-gradient(180deg, var(--success) 0%, #059669 100%);
  color: #fff;
  border-color: #059669;
}
.btn-sm {
  min-height: 32px;
  padding: 7px 12px;
  font-size: 12px;
}
.btn-lg {
  min-height: 46px;
  padding: 12px 22px;
  font-size: 15px;
}
.btn[style*="width: 100%"],
.btn.w-full,
button.w-full,
button.btn.w-full,
a.btn.w-full { width: 100%; }

/* Forms */
.form-group { margin-bottom: 18px; }
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
input, select, textarea { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; color: var(--text); background: #fff; transition: border .2s; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13.5px; margin-bottom: 16px; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

/* Auth pages */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 20px; }
.auth-card { background: #fff; border-radius: 16px; padding: 40px; width: 100%; max-width: 420px; box-shadow: var(--shadow-lg); }
.auth-logo { text-align: center; margin-bottom: 28px; }
.auth-logo h1 { font-size: 24px; font-weight: 800; color: var(--text); }
.auth-logo p { color: var(--muted); font-size: 14px; margin-top: 4px; }

/* Color picker */
.color-preview { width: 36px; height: 36px; border-radius: 8px; border: 2px solid var(--border); cursor: pointer; }

/* Store grid */
.stores-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.store-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: box-shadow .2s; }
.store-card:hover { box-shadow: var(--shadow-lg); }
.store-card-header { height: 80px; display: flex; align-items: center; justify-content: center; }
.store-card-body { padding: 16px; }
.store-card-name { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
.store-card-meta { font-size: 12px; color: var(--muted); }
.store-card-footer { padding: 12px 16px; border-top: 1px solid var(--border); display: flex; gap: 8px; }

.dashboard-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.dashboard-actions .btn {
  width: 100%;
  min-height: 42px;
}
.dashboard-preview {
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.dashboard-preview-window {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px;
  box-shadow: inset 0 0 0 1px rgba(148,163,184,0.12);
}
.dashboard-preview-topbar {
  height: 10px;
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 12px;
}
.dashboard-preview-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}
.dashboard-preview-dot:first-child { background: #ef4444; }
.dashboard-preview-dot:nth-child(2) { background: #f59e0b; }
.dashboard-preview-dot:nth-child(3) { background: #10b981; }
.dashboard-preview-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.dashboard-preview-logo {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}
.dashboard-preview-identity {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
}
.dashboard-preview-shelf {
  background: linear-gradient(180deg, #f8fafc 0%, #edf2ff 100%);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 8px;
}
.dashboard-preview-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
  min-height: 52px;
}
.dashboard-preview-card .line {
  height: 7px;
  border-radius: 999px;
  background: #e2e8f0;
  margin-bottom: 6px;
}
.dashboard-preview-card .line:last-child { margin-bottom: 0; width: 60%; }
.dashboard-preview-link {
  font-size: 11px;
  color: var(--muted);
  word-break: break-all;
}

/* Package cards */
.packages-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.pkg-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; cursor: pointer; transition: all .2s; }
.pkg-card:hover { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.1); }
.pkg-card.selected { border-color: var(--primary); background: #f5f3ff; }
.pkg-name { font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.pkg-details { font-size: 12px; color: var(--muted); display: flex; flex-direction: column; gap: 3px; }
.pkg-price { font-size: 20px; font-weight: 700; color: var(--primary); margin-top: 12px; }

/* Wallet */
.wallet-balance { font-size: 36px; font-weight: 800; color: var(--success); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab { padding: 10px 16px; font-size: 13.5px; font-weight: 500; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal { background: #fff; border-radius: 16px; padding: 28px; width: 100%; max-width: 480px; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.modal-title { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--muted); font-size: 20px; }

/* Responsive */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .main { margin-left: 0; }
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .packages-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .packages-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* Storefront specific */
.sf-layout { display: grid; grid-template-columns: 1fr 340px; gap: 28px; align-items: start; max-width: 1140px; margin: 0 auto; padding: 40px 20px; }
@media (max-width: 900px) {
  .sf-layout { grid-template-columns: 1fr; }
  .sf-checkout { position: static !important; }
}

/* Animations */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
.fade-up { animation: fadeUp .45s ease both; }
.fade-up-1 { animation: fadeUp .45s .05s ease both; }
.fade-up-2 { animation: fadeUp .45s .1s ease both; }
.fade-up-3 { animation: fadeUp .45s .15s ease both; }
.fade-up-4 { animation: fadeUp .45s .2s ease both; }

/* Smooth scrolling */
html { scroll-behavior: smooth; }

/* Misc */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }
.text-muted { color: var(--muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.fw-600 { font-weight: 600; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.hidden { display: none !important; }