/* ============================================
   ADMIN PANEL - DentoShield Healthcare
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --admin-primary: #0EAED4;
  --admin-primary-dark: #0A8FB0;
  --admin-sidebar: #1A1A2E;
  --admin-sidebar-hover: #252540;
  --admin-bg: #F0F2F5;
  --admin-card: #FFFFFF;
  --admin-text: #1A1A2E;
  --admin-text-light: #6B7280;
  --admin-border: #E5E7EB;
  --admin-success: #10B981;
  --admin-warning: #F59E0B;
  --admin-danger: #EF4444;
  --admin-radius: 8px;
  --admin-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
}

a { text-decoration: none; color: inherit; }

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

/* ---- Sidebar ---- */
.admin-sidebar {
  width: 260px;
  background: var(--admin-sidebar);
  color: #fff;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: all 0.3s ease;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-header img {
  width: 40px;
  height: 40px;
  border-radius: 8px;
}

.sidebar-header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--admin-primary);
}

.sidebar-header span {
  font-size: 0.7rem;
  color: rgba(255,255,255,0.5);
  display: block;
}

.sidebar-nav {
  padding: 15px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  background: var(--admin-sidebar-hover);
  color: #fff;
}

.sidebar-nav a.active {
  background: var(--admin-sidebar-hover);
  color: var(--admin-primary);
  border-left-color: var(--admin-primary);
}

.sidebar-nav a svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-divider {
  height: 1px;
  background: rgba(255,255,255,0.1);
  margin: 10px 20px;
}

/* ---- Main Content ---- */
.admin-main {
  margin-left: 260px;
  flex: 1;
  min-height: 100vh;
}

.admin-topbar {
  background: var(--admin-card);
  padding: 15px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--admin-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.admin-topbar h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
}

.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 15px;
}

.admin-topbar-actions a {
  font-size: 0.85rem;
  color: var(--admin-text-light);
  padding: 6px 14px;
  border-radius: var(--admin-radius);
  transition: all 0.2s;
}

.admin-topbar-actions a:hover {
  background: var(--admin-bg);
}

.admin-topbar-actions .btn-logout {
  background: var(--admin-danger);
  color: #fff;
}

.admin-topbar-actions .btn-logout:hover {
  background: #DC2626;
}

.admin-content {
  padding: 30px;
}

/* ---- Stats Cards ---- */
.stats-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--admin-card);
  border-radius: var(--admin-radius);
  padding: 24px;
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-border);
  transition: all 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.stat-card-icon.blue { background: #E0F7FA; color: var(--admin-primary); }
.stat-card-icon.green { background: #E8F5E9; color: var(--admin-success); }
.stat-card-icon.yellow { background: #FFF8E1; color: var(--admin-warning); }
.stat-card-icon.red { background: #FFEBEE; color: var(--admin-danger); }

.stat-card h3 {
  font-size: 2rem;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  margin-bottom: 4px;
}

.stat-card p {
  font-size: 0.82rem;
  color: var(--admin-text-light);
}

/* ---- Tables ---- */
.admin-table-wrapper {
  background: var(--admin-card);
  border-radius: var(--admin-radius);
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-border);
  overflow: hidden;
}

.admin-table-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table-header h2 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
}

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

.admin-table th {
  text-align: left;
  padding: 12px 24px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--admin-text-light);
  background: var(--admin-bg);
  border-bottom: 1px solid var(--admin-border);
}

.admin-table td {
  padding: 14px 24px;
  font-size: 0.88rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

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

.admin-table tr:hover td {
  background: #FAFBFC;
}

/* ---- Badges ---- */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-success { background: #E8F5E9; color: #2E7D32; }
.badge-warning { background: #FFF8E1; color: #F57F17; }
.badge-danger { background: #FFEBEE; color: #C62828; }
.badge-info { background: #E0F7FA; color: #00838F; }

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border: none;
  border-radius: var(--admin-radius);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}

.btn-sm { padding: 5px 10px; font-size: 0.75rem; }

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

.btn-success { background: var(--admin-success); color: #fff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--admin-danger); color: #fff; }
.btn-danger:hover { background: #DC2626; }

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

/* ---- Forms ---- */
.admin-form {
  background: var(--admin-card);
  border-radius: var(--admin-radius);
  padding: 30px;
  box-shadow: var(--admin-shadow);
  border: 1px solid var(--admin-border);
}

.admin-form .form-group {
  margin-bottom: 20px;
}

.admin-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--admin-text);
}

.admin-form input,
.admin-form textarea,
.admin-form select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  font-size: 0.88rem;
  font-family: 'Inter', sans-serif;
  transition: all 0.2s;
}

.admin-form input:focus,
.admin-form textarea:focus,
.admin-form select:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(14,174,212,0.15);
}

.admin-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

/* ---- Admin Login ---- */
.admin-login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0EAED4, #1A1A2E);
}

.admin-login-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.admin-login-card .logo {
  text-align: center;
  margin-bottom: 30px;
}

.admin-login-card .logo img {
  width: 60px;
  height: 60px;
  margin: 0 auto 10px;
}

.admin-login-card .logo h1 {
  font-family: 'Poppins', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--admin-primary);
}

.admin-login-card .logo p {
  font-size: 0.8rem;
  color: var(--admin-text-light);
}

.admin-login-card .form-group {
  margin-bottom: 20px;
}

.admin-login-card label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.admin-login-card input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--admin-border);
  border-radius: var(--admin-radius);
  font-size: 0.9rem;
  font-family: 'Inter', sans-serif;
}

.admin-login-card input:focus {
  outline: none;
  border-color: var(--admin-primary);
  box-shadow: 0 0 0 3px rgba(14,174,212,0.15);
}

.admin-login-card .btn-login {
  width: 100%;
  padding: 12px;
  background: var(--admin-primary);
  color: #fff;
  border: none;
  border-radius: var(--admin-radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  transition: all 0.2s;
}

.admin-login-card .btn-login:hover {
  background: var(--admin-primary-dark);
}

.admin-login-card .error-msg {
  background: #FFEBEE;
  color: #C62828;
  padding: 10px 14px;
  border-radius: var(--admin-radius);
  font-size: 0.85rem;
  margin-bottom: 20px;
  border: 1px solid #EF9A9A;
}

/* ---- Responsive Admin ---- */
@media (max-width: 991px) {
  .admin-sidebar { width: 70px; }
  .admin-sidebar .sidebar-header h2,
  .admin-sidebar .sidebar-header span,
  .sidebar-nav a span { display: none; }
  .sidebar-nav a { justify-content: center; padding: 14px; }
  .admin-main { margin-left: 70px; }
  .stats-cards { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 575px) {
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .stats-cards { grid-template-columns: 1fr; }
  .admin-content { padding: 15px; }
  .admin-form .form-row { grid-template-columns: 1fr; }
}