/* Yico Platform - Admin Dashboard */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar: #0f172a;
  --sidebar-hover: #1e293b;
  --bg: #f1f5f9;
  --card: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 4px 6px rgba(0,0,0,.07), 0 10px 15px rgba(0,0,0,.1);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 260px;
  background: var(--sidebar);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 50;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.5px;
}

.nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 8px;
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all .15s;
}

.nav-item:hover {
  background: var(--sidebar-hover);
  color: #e2e8f0;
}

.nav-item.active {
  background: var(--primary);
  color: #fff;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid rgba(255,255,255,.08);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 8px;
}

.avatar {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}

.user-name { font-size: 14px; font-weight: 500; color: #e2e8f0; }

/* Main */
.main {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
  max-width: 1440px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 32px;
}

.page-title { font-size: 28px; font-weight: 700; letter-spacing: -.5px; }
.page-subtitle { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .15s;
}

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

.btn-primary:hover { background: var(--primary-hover); box-shadow: var(--shadow-lg); }

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  gap: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: box-shadow .2s, transform .15s;
}

.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-info { display: flex; flex-direction: column; }

.stat-label { font-size: 13px; color: var(--text-muted); font-weight: 500; }

.stat-value {
  font-size: 24px;
  font-weight: 700;
  margin: 2px 0;
  letter-spacing: -1px;
}

.stat-change {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
}

.stat-change.up { color: var(--success); }

/* Content Grid */
.content-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.card-header h2 { font-size: 16px; font-weight: 600; }
.card-link { font-size: 13px; color: var(--primary); text-decoration: none; font-weight: 500; }

/* Table */
.table { width: 100%; border-collapse: collapse; }

.table th {
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-muted);
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 12px;
  font-size: 13px;
  border-bottom: 1px solid #f1f5f9;
}

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

.cell-user { display: flex; align-items: center; gap: 8px; }

.mini-avatar {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: #e0e7ff;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

.badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  display: inline-block;
}

.badge-success { background: #dcfce7; color: #166534; }
.badge-warning { background: #fef3c7; color: #92400e; }

/* Quick Actions */
.quick-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.qa-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all .15s;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.qa-item:hover { border-color: var(--primary); background: #f8f8ff; color: var(--primary); }

.qa-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .content-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .sidebar { width: 72px; }
  .sidebar .logo-text,
  .sidebar .nav-item span,
  .sidebar .user-name { display: none; }
  .sidebar .nav-item { justify-content: center; }
  .sidebar .logo { justify-content: center; }
  .sidebar .logo-icon { display: none; }
  .main { margin-left: 72px; padding: 20px; }
  .stats-grid { grid-template-columns: 1fr; }
  .header { flex-direction: column; gap: 12px; }
}