/* CyberCafe Manager - Main Stylesheet */
:root {
  --primary: #1a56db;
  --primary-dark: #1e429f;
  --success: #057a55;
  --warning: #c27803;
  --danger: #e02424;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --sidebar-width: 260px;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.5;
  min-height: 100vh;
}

a {
  color: var(--primary);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: var(--sidebar-width);
  background: #0f172a;
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-weight: 700;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-nav {
  padding: 1rem 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: #cbd5e1;
  text-decoration: none;
  transition: all 0.15s;
  font-size: 0.95rem;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}

.sidebar-nav a.active {
  border-left: 3px solid var(--primary);
  background: rgba(26, 86, 219, 0.25);
}

.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 1.5rem 2rem;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gray-200);
}

.page-title {
  font-size: 1.5rem;
  font-weight: 700;
}

/* Cards */
.card {
  background: #fff;
  border-radius: 0.75rem;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  border: 1px solid var(--gray-200);
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--gray-200);
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-body {
  padding: 1.25rem;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: #fff;
  border-radius: 0.75rem;
  padding: 1.25rem;
  border: 1px solid var(--gray-200);
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}

.stat-card .label {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 0.25rem;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
}

.stat-card .sub {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-top: 0.25rem;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:hover td {
  background: var(--gray-50);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-gray { background: var(--gray-200); color: var(--gray-700); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover {
  background: #046c4e;
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover {
  background: #c81e1e;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}
.btn-outline:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.btn-sm {
  padding: 0.3rem 0.7rem;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--gray-700);
}

.form-control {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.5rem;
  font-size: 0.95rem;
  transition: border-color 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
}

select.form-control {
  appearance: auto;
}

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

/* Auth pages */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
  padding: 1rem;
}

.auth-card {
  background: #fff;
  border-radius: 1rem;
  padding: 2rem;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.auth-card h1 {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  text-align: center;
}

.auth-card .subtitle {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

/* Alerts */
.alert {
  padding: 0.85rem 1rem;
  border-radius: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-danger {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.alert-warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.alert-info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* Status dots */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.35rem;
}
.status-dot.online { background: #10b981; }
.status-dot.offline { background: #9ca3af; }

/* Pagination */
.pagination {
  display: flex;
  gap: 0.35rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--gray-300);
  border-radius: 0.35rem;
  font-size: 0.85rem;
  color: var(--gray-700);
}

.pagination a:hover {
  background: var(--gray-100);
  text-decoration: none;
}

.pagination .active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* Filters */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-end;
}

.filters .form-group {
  margin-bottom: 0;
  min-width: 150px;
}

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

/* Landing page */
.landing {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1a56db 100%);
  color: #fff;
}

.landing-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.landing-hero {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 4rem 1.5rem 3rem;
}

.landing-hero h1 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.landing-hero p {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: 2rem;
}

.landing-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}

.feature-card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid rgba(255,255,255,0.15);
}

.feature-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.1rem;
}

.feature-card p {
  opacity: 0.85;
  font-size: 0.95rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1000px;
  margin: 0 auto 3rem;
  padding: 0 1.5rem;
}

.pricing-card {
  background: #fff;
  color: var(--gray-900);
  border-radius: 1rem;
  padding: 1.75rem;
  text-align: center;
}

.pricing-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.pricing-card .price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin: 0.75rem 0;
}

.pricing-card .price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--gray-500);
}

.pricing-card ul {
  list-style: none;
  text-align: left;
  margin: 1.25rem 0;
}

.pricing-card ul li {
  padding: 0.35rem 0;
  font-size: 0.9rem;
}

.pricing-card ul li::before {
  content: "✓ ";
  color: var(--success);
  font-weight: bold;
}