@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #7c3aed;
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --info: #0ea5e9;
  --info-light: #e0f2fe;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-secondary: #f1f5f9;
  --sidebar-bg: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-active: #2563eb;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --radius: 12px;
  --radius-sm: 8px;
  --sidebar-width: 260px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
}

/* ===== SIDEBAR ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  overflow-y: auto;
  transition: transform 0.3s ease;
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo h2 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.sidebar-logo span {
  display: block;
  color: var(--sidebar-text);
  font-size: 11px;
  font-weight: 400;
  margin-top: 2px;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sidebar-user-info .name {
  color: #f1f5f9;
  font-size: 13px;
  font-weight: 600;
}

.sidebar-user-info .role {
  color: var(--sidebar-text);
  font-size: 11px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 0;
}

.nav-section-title {
  color: #475569;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 20px 4px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--primary);
}

.sidebar-nav a.active {
  color: #fff;
  background: rgba(37, 99, 235, 0.15);
  border-left-color: var(--primary);
}

.sidebar-nav a svg,
.sidebar-nav a .nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.sidebar-bottom {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-bottom a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  color: #ef4444;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
}

.sidebar-bottom a:hover {
  background: rgba(239, 68, 68, 0.1);
}

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

/* ===== TOPBAR ===== */
.topbar {
  background: #fff;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.topbar-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.notif-btn {
  position: relative;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: var(--text-secondary);
  transition: all 0.2s;
}

.notif-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
  border-color: var(--primary);
}

.notif-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--danger);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}

/* ===== PAGE CONTENT ===== */
.page-content {
  padding: 24px;
  flex: 1;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.card-body {
  padding: 20px;
}

/* ===== STAT CARDS ===== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-icon.blue {
  background: var(--primary-light);
  color: var(--primary);
}

.stat-icon.green {
  background: var(--success-light);
  color: var(--success);
}

.stat-icon.yellow {
  background: var(--warning-light);
  color: var(--warning);
}

.stat-icon.purple {
  background: #ede9fe;
  color: var(--secondary);
}

.stat-icon.red {
  background: var(--danger-light);
  color: var(--danger);
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
  font-weight: 500;
}

/* ===== TABLES ===== */
.table-wrapper {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 13px;
  color: var(--text-primary);
}

.data-table tr:hover td {
  background: #f8fafc;
}

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

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary);
}

.badge-success {
  background: var(--success-light);
  color: var(--success);
}

.badge-warning {
  background: var(--warning-light);
  color: var(--warning);
}

.badge-danger {
  background: var(--danger-light);
  color: var(--danger);
}

.badge-info {
  background: var(--info-light);
  color: var(--info);
}

.badge-secondary {
  background: #f1f5f9;
  color: #64748b;
}

.badge-purple {
  background: #ede9fe;
  color: var(--secondary);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
}

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

.btn-success:hover {
  background: #047857;
  color: #fff;
}

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

.btn-danger:hover {
  background: #b91c1c;
  color: #fff;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-light);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 15px;
}

/* ===== FORMS ===== */
.form-section {
  max-width: 700px;
}

.form-control,
.form-select {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-primary);
  width: 100%;
  transition: border-color 0.2s, box-shadow 0.2s;
  background: #fff;
}

.form-control:focus,
.form-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group {
  margin-bottom: 18px;
}

.form-text {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== ALERTS ===== */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.alert-success {
  background: var(--success-light);
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.alert-danger {
  background: var(--danger-light);
  color: #991b1b;
  border: 1px solid #fca5a5;
}

.alert-warning {
  background: var(--warning-light);
  color: #92400e;
  border: 1px solid #fcd34d;
}

.alert-info {
  background: var(--info-light);
  color: #164e63;
  border: 1px solid #67e8f9;
}

/* ===== PAGE HEADER ===== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
}

.page-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

/* ===== AVATAR ===== */
.avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  overflow: hidden;
}

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

/* ===== STATUS DOTS ===== */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.active {
  background: var(--success);
  box-shadow: 0 0 0 2px var(--success-light);
}

.status-dot.pending {
  background: var(--warning);
}

.status-dot.paused {
  background: #94a3b8;
}

.status-dot.danger {
  background: var(--danger);
}

/* ===== CHAT ===== */
.chat-container {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 200px);
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.message-bubble {
  max-width: 65%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 13px;
  line-height: 1.5;
}

.message-bubble.sent {
  align-self: flex-end;
  background: var(--primary);
  color: white;
  border-bottom-right-radius: 4px;
}

.message-bubble.received {
  align-self: flex-start;
  background: #f1f5f9;
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.message-meta {
  font-size: 10px;
  opacity: 0.7;
  margin-top: 4px;
}

.chat-input-area {
  padding: 16px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
}

/* ===== TABLE (generic) ===== */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid #f1f5f9;
  font-size: 13px;
  color: var(--text-primary);
  vertical-align: middle;
}

.table tr:hover td {
  background: #f8fafc;
}

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

/* ===== TEXT UTILITIES ===== */
.text-muted {
  color: var(--text-secondary) !important;
}

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

/* ===== LOGIN PAGE ===== */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.auth-card {
  background: #fff;
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
  max-height: 90vh;
  overflow-y: auto;
}

.auth-logo {
  font-size: 32px;
  text-align: center;
  margin-bottom: 20px;
}

.auth-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  text-align: center;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.auth-sub {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 24px;
}

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

  .sidebar.open {
    transform: translateX(0);
  }

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

  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Progress bar */
.progress {
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* Photo grid */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.photo-grid img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.2s;
}

.photo-grid img:hover {
  transform: scale(1.03);
}

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

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}

.empty-state .icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 20px 0;
}

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

@media (max-width: 900px) {

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}