/* 
 * Neptune Formation - Admin Dashboard Design System
 * Modern Executive Neumorphic UI with Glassmorphism, Responsive Tables, & Modal Dialogs
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,300..800;1,14..32,300..800&family=Plus+Jakarta+Sans:ital,wght@0,400..800;1,400..800&display=swap');

:root {
  --admin-bg: #090E17;
  --admin-sidebar: #0D131F;
  --admin-card: #121A29;
  --admin-card-hover: #172235;
  --admin-inset: #090E17;
  --admin-border: rgba(255, 255, 255, 0.08);
  --admin-border-subtle: rgba(255, 255, 255, 0.04);
  --admin-text-main: #F0F4F8;
  --admin-text-muted: #788B9E;
  --admin-primary: #0B5FFF;
  --admin-primary-hover: #004BDB;
  --admin-gold: #D4AF37;
  --admin-success: #10B981;
  --admin-warning: #F59E0B;
  --admin-danger: #EF4444;
  
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  
  --admin-neu-flat: 6px 6px 16px rgba(0, 0, 0, 0.6), -3px -3px 10px rgba(255, 255, 255, 0.025);
  --admin-neu-flat-sm: 3px 3px 8px rgba(0, 0, 0, 0.5), -2px -2px 6px rgba(255, 255, 255, 0.02);
  --admin-neu-pressed: inset 3px 3px 6px rgba(0, 0, 0, 0.6), inset -2px -2px 6px rgba(255, 255, 255, 0.02);
  --admin-neu-raised-hover: 8px 8px 20px rgba(0, 0, 0, 0.75), -4px -4px 12px rgba(255, 255, 255, 0.04);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  min-height: 100vh;
  display: flex;
}

/* ==========================================
   Admin Login Screen
   ========================================== */
.login-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100vw;
  min-height: 100vh;
  background: radial-gradient(circle at top, #141D2C 0%, #090E17 100%);
  padding: 24px;
}

.login-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  padding: 44px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--admin-neu-flat);
}

.login-brand {
  text-align: center;
  margin-bottom: 32px;
}

.login-brand h2 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 800;
  color: #fff;
}

.login-brand span {
  color: var(--admin-gold);
}

.login-brand p {
  color: var(--admin-text-muted);
  font-size: 13.5px;
  margin-top: 6px;
}

/* ==========================================
   Admin Layout (Sidebar + Main Area)
   ========================================== */
.admin-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  background: var(--admin-sidebar);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  transition: transform 0.3s ease;
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.4);
}

.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-brand h3 {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.sidebar-brand span {
  color: var(--admin-gold);
}

.sidebar-nav {
  padding: 20px 12px;
  flex: 1;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--admin-text-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--admin-card);
  color: #fff;
  border-color: var(--admin-border);
  box-shadow: var(--admin-neu-flat-sm);
}

.nav-item.active {
  background: var(--admin-card);
  color: var(--admin-gold);
  border-color: rgba(212, 175, 55, 0.3);
  box-shadow: var(--admin-neu-pressed);
  font-weight: 600;
}

.nav-item i {
  font-size: 16px;
  width: 20px;
}

.sidebar-footer {
  padding: 18px 20px;
  border-top: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.admin-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--admin-gold);
  color: #090E17;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.admin-info h5 {
  font-size: 13.5px;
  font-weight: 600;
  color: #fff;
}

.admin-info p {
  font-size: 11.5px;
  color: var(--admin-text-muted);
}

.main-content {
  margin-left: 260px;
  flex: 1;
  padding: 34px;
  background: var(--admin-bg);
  min-height: 100vh;
}

/* ==========================================
   Header Topbar
   ========================================== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 34px;
}

.topbar-title h1 {
  font-family: var(--font-heading);
  font-size: 26px;
  font-weight: 700;
}

.topbar-title p {
  font-size: 13.5px;
  color: var(--admin-text-muted);
  margin-top: 4px;
}

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

/* ==========================================
   Metrics Grid & Cards
   ========================================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 22px;
  margin-bottom: 34px;
}

.metric-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--admin-neu-flat);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--admin-neu-raised-hover);
}

.metric-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  background: var(--admin-inset);
  box-shadow: var(--admin-neu-pressed);
  border: 1px solid var(--admin-border-subtle);
}

.icon-blue { color: #3b82f6; }
.icon-gold { color: var(--admin-gold); }
.icon-green { color: var(--admin-success); }
.icon-orange { color: var(--admin-warning); }
.icon-red { color: var(--admin-danger); }

.metric-data h4 {
  font-size: 12px;
  color: var(--admin-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 600;
}

.metric-data h2 {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  margin-top: 4px;
  color: #fff;
}

/* ==========================================
   Panels, Tables, and Data Grids
   ========================================== */
.panel {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-md);
  padding: 28px;
  margin-bottom: 32px;
  box-shadow: var(--admin-neu-flat);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--admin-border);
}

.panel-header h3 {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13.5px;
}

.admin-table th {
  background: var(--admin-sidebar);
  color: var(--admin-text-muted);
  text-transform: uppercase;
  font-size: 11.5px;
  font-weight: 700;
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-border);
  letter-spacing: 0.5px;
}

.admin-table td {
  padding: 16px;
  border-bottom: 1px solid var(--admin-border-subtle);
  color: var(--admin-text-main);
  vertical-align: middle;
}

.admin-table tbody tr:hover {
  background: var(--admin-card-hover);
}

/* Badges */
.badge {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-completed, .badge-paid, .badge-active { background: rgba(16, 185, 129, 0.16); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.badge-pending, .badge-processing { background: rgba(245, 158, 11, 0.16); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.badge-failed, .badge-cancelled, .badge-inactive { background: rgba(239, 68, 68, 0.16); color: #f87171; border: 1px solid rgba(239, 68, 68, 0.3); }
.badge-refunded { background: rgba(168, 85, 247, 0.16); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.3); }
.badge-stripe { background: rgba(99, 91, 255, 0.18); color: #a5b4fc; border: 1px solid rgba(99, 91, 255, 0.4); text-transform: none; font-weight: 700; }
.badge-paypal { background: rgba(0, 112, 186, 0.18); color: #38bdf8; border: 1px solid rgba(0, 112, 186, 0.4); text-transform: none; font-weight: 700; }


/* Buttons & Inputs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 18px;
  font-family: var(--font-heading);
  font-size: 13.5px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: var(--admin-neu-flat-sm);
}

.btn-primary { background: var(--admin-primary); color: #fff; }
.btn-primary:hover { background: var(--admin-primary-hover); transform: translateY(-2px); }
.btn-gold { background: var(--admin-gold); color: #090E17; font-weight: 700; }
.btn-gold:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-danger { background: var(--admin-danger); color: #fff; }
.btn-danger:hover { filter: brightness(1.1); transform: translateY(-2px); }
.btn-secondary { background: var(--admin-sidebar); color: var(--admin-text-main); border: 1px solid var(--admin-border); }
.btn-secondary:hover { background: var(--admin-card); border-color: rgba(255, 255, 255, 0.2); }
.btn:active { transform: translateY(1px); box-shadow: var(--admin-neu-pressed); }
.btn-sm { padding: 6px 12px; font-size: 12px; }

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

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--admin-text-main);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--admin-inset);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 13.5px;
  outline: none;
  box-shadow: var(--admin-neu-pressed);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--admin-primary);
  box-shadow: var(--admin-neu-pressed), 0 0 0 3px rgba(11, 95, 255, 0.25);
}

/* Modal System */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 34px;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--admin-border);
  padding-bottom: 14px;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 19px;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--admin-text-muted);
  font-size: 20px;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: #fff;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-left: 4px solid var(--admin-primary);
  color: #fff;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
  font-size: 13.5px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s ease;
}

.toast.success { border-left-color: var(--admin-success); }
.toast.error { border-left-color: var(--admin-danger); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 992px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; padding: 20px; }
}