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

:root {
  --bg-color: #0b0f19;
  --bg-card: rgba(30, 41, 59, 0.7);
  --bg-panel: rgba(15, 23, 42, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.18);
  --text-color: #f1f5f9;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --primary: #3b82f6;
  --primary-glow: rgba(59, 130, 246, 0.35);
  --secondary: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --purple: #8b5cf6;
  
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-panel: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --shadow-hover: 0 12px 40px 0 rgba(0, 0, 0, 0.6);
  --transition-fast: 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(59, 130, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 85%, rgba(139, 92, 246, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-color);
  font-family: var(--font-family);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(11, 15, 25, 0.7);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

::selection {
  background: rgba(59, 130, 246, 0.35);
  color: #fff;
}

/* Base Glass Panels */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-panel);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.glass-panel:hover {
  border-color: var(--glass-border-hover);
}

/* Container */
.layout-container {
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: 24px 20px 60px;
  flex: 1;
}

/* Header & Nav */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 28px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 32px;
  gap: 20px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.brand-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #f472b6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-badge {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.4);
  padding: 2px 8px;
  border-radius: 6px;
  vertical-align: middle;
  -webkit-text-fill-color: #93c5fd;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  background: var(--primary);
  color: #fff;
  white-space: nowrap;
}

.btn:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn:active {
  transform: scale(0.97);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text-color);
  border-color: var(--glass-border);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--glass-border-hover);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background: var(--danger);
  color: #fff;
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.35);
}

.btn-success {
  background: rgba(16, 185, 129, 0.2);
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.icon-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.icon-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--glass-border-hover);
}
.icon-btn.danger:hover {
  color: #fff;
  background: var(--danger);
  border-color: var(--danger);
}

/* Navigation Tabs */
.nav-tabs {
  display: inline-flex;
  background: rgba(15, 23, 42, 0.6);
  padding: 6px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  gap: 4px;
}

.nav-btn {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-fast);
  font-family: var(--font-family);
}
.nav-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}
.nav-btn.active {
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 14px var(--primary-glow);
}

/* KPI Cards Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.kpi-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-panel);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}
.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--glass-border-hover);
}

.kpi-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.kpi-icon-blue { background: rgba(59, 130, 246, 0.15); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.25); }
.kpi-icon-green { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.25); }
.kpi-icon-purple { background: rgba(139, 92, 246, 0.15); color: #c084fc; border: 1px solid rgba(139, 92, 246, 0.25); }
.kpi-icon-orange { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.25); }

.kpi-content {
  display: flex;
  flex-direction: column;
}
.kpi-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.kpi-value {
  font-size: 1.65rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}

/* Toolbar & Filters */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.search-input-wrap {
  position: relative;
  min-width: 280px;
  flex: 1;
  max-width: 440px;
}
.search-input-wrap svg {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 14px;
  color: var(--text-muted);
  pointer-events: none;
}

input, select, textarea {
  width: 100%;
  padding: 11px 16px;
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid var(--glass-border);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.search-input-wrap input {
  padding-left: 42px;
}

/* Table Design */
.table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: rgba(11, 15, 25, 0.4);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: rgba(15, 23, 42, 0.7);
  padding: 14px 18px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--glass-border);
  white-space: nowrap;
}

td {
  padding: 14px 18px;
  font-size: 0.92rem;
  border-bottom: 1px solid var(--glass-border);
  color: var(--text-color);
  vertical-align: middle;
}

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

tbody tr {
  transition: background var(--transition-fast);
}
tbody tr:hover {
  background: rgba(255, 255, 255, 0.025);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-admin {
  background: rgba(139, 92, 246, 0.2);
  color: #c084fc;
  border: 1px solid rgba(139, 92, 246, 0.35);
}
.badge-user {
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.25);
}
.badge-category {
  background: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
  border: 1px solid var(--glass-border);
}

/* Pagination Bar (Partial AJAX Updating) */
.pagination-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 0.88rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--glass-border-hover);
}

.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 10px var(--primary-glow);
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.page-ellipsis {
  padding: 0 6px;
  color: var(--text-subtle);
}

/* Login Box (Full-screen overlay/state) */
.login-container {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 80vh;
  width: 100%;
}

.login-box {
  width: 100%;
  max-width: 440px;
  padding: 40px 32px;
  text-align: center;
}

.login-box .brand-logo {
  margin: 0 auto 16px;
  width: 60px;
  height: 60px;
}

.login-box h1 {
  font-size: 1.8rem;
  margin-bottom: 8px;
  font-weight: 700;
}

.login-box p.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.input-icon-group {
  position: relative;
  margin-bottom: 16px;
  text-align: left;
}

.input-icon-group svg {
  position: absolute;
  top: 14px;
  left: 14px;
  color: var(--text-muted);
}

.input-icon-group input {
  padding-left: 44px;
}

.error-message {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  margin-bottom: 18px;
  text-align: center;
}

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 10, 16, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #0f172a;
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
  transform: scale(0.95);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .modal-content {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--glass-border);
}

/* Toast Messages */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid var(--glass-border-hover);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  color: #fff;
  font-size: 0.9rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.25s ease forwards;
}
.toast.success { border-left: 4px solid var(--secondary); }
.toast.error { border-left: 4px solid var(--danger); }

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

/* Recipe Cards Grid (User Portal) */
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 24px;
}

.recipe-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-panel);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
  cursor: pointer;
}
.recipe-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--glass-border-hover);
}

.recipe-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: #1e293b;
}

.recipe-card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.recipe-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.35;
}

.recipe-card-meta {
  display: flex;
  gap: 14px;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .header {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .nav-tabs {
    width: 100%;
    overflow-x: auto;
    justify-content: flex-start;
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-input-wrap {
    max-width: 100%;
  }
  .kpi-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pagination-bar {
    flex-direction: column;
    align-items: center;
  }
}