/* ============================================================
   MapleLine Ventures — Admin Dashboard
   Dark theme stylesheet
   ============================================================ */

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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-sidebar: #0d0d14;
  --border: #1e1e2e;
  --border-light: #2a2a3a;
  --text: #e0e0e8;
  --text-muted: #8888a0;
  --text-dim: #5a5a72;
  --accent: #3b82f6;
  --accent-purple: #8b5cf6;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --sidebar-width: 240px;
  --topbar-height: 60px;
  --radius: 8px;
  --radius-sm: 4px;
  --radius-lg: 12px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-purple);
}

img {
  max-width: 100%;
  height: auto;
}

::selection {
  background: var(--accent);
  color: #fff;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border-light);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* ---------- Login Page ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.login-card h1,
.login-card h2 {
  text-align: center;
  margin-bottom: 0.25rem;
  font-weight: 700;
  font-size: 1.5rem;
}

.login-card .login-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.9rem;
}

.login-card .login-logo {
  text-align: center;
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.sidebar-header {
  padding: 1.5rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.sidebar-logo {
  font-size: 1.25rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-logo-sub {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

.sidebar-nav {
  flex: 1;
  padding: 0.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: 0;
  transition: all var(--transition);
  border-left: 3px solid transparent;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(59, 130, 246, 0.06);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(59, 130, 246, 0.1);
  border-left-color: var(--accent);
}

.nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  font-size: 1rem;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
}

/* ---------- Main Content ---------- */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
  padding: 1.5rem;
  max-width: 1400px;
  width: 100%;
}

/* ---------- Top Bar ---------- */
.top-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.5rem;
  height: var(--topbar-height);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-size: 1.1rem;
  font-weight: 600;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}

.top-bar-user {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.sidebar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.2rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition);
}

.sidebar-toggle:hover {
  background: var(--border);
}

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

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
}

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

.stat-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.stat-value {
  display: block;
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.stat-sub {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

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

.stat-sub.down {
  color: var(--danger);
}

/* ---------- Cards ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.card-header h3 {
  margin-bottom: 0;
}

/* ---------- Data Table ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table thead th {
  background: rgba(0, 0, 0, 0.2);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background var(--transition);
}

.data-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.01);
}

.data-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.05);
}

.data-table .text-right {
  text-align: right;
}

.data-table .text-center {
  text-align: center;
}

.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-family: var(--font);
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover {
  background: var(--border);
  color: var(--text);
}

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

.btn-primary:hover {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

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

.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}

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

.btn-success:hover {
  background: #16a34a;
  border-color: #16a34a;
  color: #fff;
}

.btn-warning {
  background: var(--warning);
  border-color: var(--warning);
  color: #000;
}

.btn-warning:hover {
  background: #d97706;
  border-color: #d97706;
  color: #000;
}

.btn-sm {
  padding: 0.3rem 0.7rem;
  font-size: 0.78rem;
}

.btn-lg {
  padding: 0.65rem 1.4rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-group {
  display: flex;
  gap: 0.5rem;
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 9999px;
  background: var(--border);
  color: var(--text-muted);
  white-space: nowrap;
  line-height: 1.4;
}

.badge-success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

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

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

.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent);
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="url"],
input[type="date"],
input[type="datetime-local"],
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

input::placeholder,
textarea::placeholder {
  color: var(--text-dim);
}

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

select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238888a0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}

.form-row {
  display: flex;
  gap: 1rem;
}

.form-row .form-group {
  flex: 1;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

.form-error {
  font-size: 0.75rem;
  color: var(--danger);
  margin-top: 0.25rem;
}

/* Checkbox / Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: auto;
  accent-color: var(--accent);
}

/* ---------- Alerts ---------- */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.3);
  color: #86efac;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
  color: #93c5fd;
}

/* ---------- Search Bar ---------- */
.search-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.search-bar input[type="search"],
.search-bar input[type="text"] {
  flex: 1;
  min-width: 200px;
}

.search-bar select {
  width: auto;
  min-width: 140px;
}

/* ---------- Pagination ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  margin-top: 1.5rem;
  padding: 0.5rem 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  height: 2rem;
  padding: 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: all var(--transition);
  text-decoration: none;
}

.pagination a:hover {
  background: var(--border);
  color: var(--text);
}

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

.pagination .disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---------- Chart Container ---------- */
.chart-container {
  position: relative;
  width: 100%;
  min-height: 260px;
  max-height: 400px;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ---------- Empty State ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.empty-state p {
  font-size: 0.85rem;
  max-width: 340px;
  margin-bottom: 1rem;
}

/* ---------- Utilities ---------- */
.text-muted {
  color: var(--text-muted);
}

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

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

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

.text-right {
  text-align: right;
}

.text-center {
  text-align: center;
}

.text-sm {
  font-size: 0.8rem;
}

.text-xs {
  font-size: 0.7rem;
}

.font-mono {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.flex {
  display: flex;
}

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

.gap-1 {
  gap: 0.5rem;
}

.gap-2 {
  gap: 1rem;
}

.hidden {
  display: none !important;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: inline-flex;
  }

  .content {
    padding: 1rem;
  }

  .stat-cards {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
  }

  .stat-value {
    font-size: 1.35rem;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .search-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-bar input[type="search"],
  .search-bar input[type="text"],
  .search-bar select {
    min-width: unset;
  }

  .data-table {
    font-size: 0.8rem;
  }

  .data-table thead th,
  .data-table tbody td {
    padding: 0.5rem 0.6rem;
  }

  .top-bar {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .stat-cards {
    grid-template-columns: 1fr 1fr;
  }

  .top-bar-user {
    display: none;
  }

  .login-card {
    margin: 1rem;
    padding: 1.5rem;
  }
}

/* ---------- Overlay for mobile sidebar ---------- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar.open ~ .sidebar-overlay {
  display: block;
}

/* ---------- Animations ---------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.stat-card,
.card {
  animation: fadeIn 0.3s ease forwards;
}

/* Stagger stat cards */
.stat-card:nth-child(2) { animation-delay: 0.05s; }
.stat-card:nth-child(3) { animation-delay: 0.1s; }
.stat-card:nth-child(4) { animation-delay: 0.15s; }
.stat-card:nth-child(5) { animation-delay: 0.2s; }