/* ==========================================================================
   l2cweb Admin Portal Design System — Glassmorphic Dark Tech Dashboard
   Zero External Dependencies • Pure Modern CSS3 • Responsive System
   ========================================================================== */

:root {
  /* Color Palette - Deep Dark Tech */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-surface: #1f2937;
  --bg-glass: rgba(17, 24, 39, 0.75);
  --bg-glass-card: rgba(31, 41, 55, 0.65);
  --bg-glass-input: rgba(17, 24, 39, 0.85);

  /* Borders & Overlays */
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(99, 102, 241, 0.40);
  --border-glass-active: rgba(59, 130, 246, 0.60);
  --glass-overlay: rgba(255, 255, 255, 0.03);

  /* Accents & Gradients */
  --accent-blue: #3b82f6;
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-cyan: #38bdf8;
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
  --gradient-accent: linear-gradient(135deg, #6366f1 0%, #ec4899 100%);
  --glow-primary: 0 0 25px rgba(99, 102, 241, 0.35);

  /* Semantic Status Colors */
  --badge-published: #10b981;
  --badge-published-bg: rgba(16, 185, 129, 0.15);
  --badge-published-border: rgba(16, 185, 129, 0.30);
  --badge-warning: #f59e0b;
  --badge-warning-bg: rgba(245, 158, 11, 0.15);
  --badge-warning-border: rgba(245, 158, 11, 0.30);
  --badge-danger: #ef4444;
  --badge-danger-bg: rgba(239, 68, 68, 0.15);
  --badge-danger-border: rgba(239, 68, 68, 0.30);
  --badge-info: #3b82f6;
  --badge-info-bg: rgba(59, 130, 246, 0.15);
  --badge-info-border: rgba(59, 130, 246, 0.30);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-accent: #60a5fa;

  /* Elevations & Blurs */
  --backdrop-blur: blur(12px);
  --backdrop-blur-heavy: blur(16px);
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --modal-shadow: 0 20px 50px rgba(0, 0, 0, 0.70);

  /* Layout */
  --header-height: 70px;
  --container-max-width: 1360px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

.hidden {
  display: none !important;
}

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

/* Background Ambient Glow */
.bg-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, rgba(59, 130, 246, 0.10), transparent 40%),
    radial-gradient(circle at 90% 15%, rgba(99, 102, 241, 0.12), transparent 45%),
    radial-gradient(circle at 50% 90%, rgba(16, 185, 129, 0.06), transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.admin-container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

/* Common UI Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0.5rem 1rem;
  user-select: none;
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-glass);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: var(--badge-danger);
  color: #ffffff;
}
.btn-danger:hover {
  background: #dc2626;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.25rem 0.625rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
}

.glass-card {
  background: var(--bg-glass-card);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  box-shadow: var(--card-shadow);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}

/* ==========================================================================
   1. Authentication View (#auth-section)
   ========================================================================== */
#auth-section {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
  position: relative;
  z-index: 10;
}

.login-card {
  width: 100%;
  max-width: 440px;
  background: rgba(17, 24, 39, 0.90);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--modal-shadow);
  padding: 2.5rem;
}

.login-brand {
  text-align: center;
  margin-bottom: 2rem;
}

.login-logo {
  font-size: 2.25rem;
  margin-bottom: 0.5rem;
  display: inline-block;
  filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.6));
}

.login-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.login-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}

label .req {
  color: var(--badge-danger);
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
select,
textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: inherit;
  font-size: 0.9375rem;
  background: var(--bg-glass-input);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.3);
}

select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.alert-box {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
}

.alert-error {
  background: var(--badge-danger-bg);
  border: 1px solid var(--badge-danger-border);
  color: #fca5a5;
}

.btn-full {
  width: 100%;
  padding: 0.75rem;
  font-size: 0.9375rem;
}

.back-link-wrapper {
  text-align: center;
  margin-top: 1.5rem;
}

.back-link {
  font-size: 0.875rem;
  color: var(--text-accent);
}
.back-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   2. Admin Dashboard View (#dashboard-section)
   ========================================================================== */
#dashboard-section {
  min-height: 100vh;
  padding-bottom: 4rem;
}

/* Sticky Header */
#admin-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgba(11, 15, 25, 0.88);
  backdrop-filter: var(--backdrop-blur-heavy);
  -webkit-backdrop-filter: var(--backdrop-blur-heavy);
  border-bottom: 1px solid var(--border-glass);
  z-index: 100;
  margin-bottom: 2rem;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

#admin-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
}

#admin-brand .brand-badge {
  font-size: 0.6875rem;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-full);
  background: rgba(99, 102, 241, 0.2);
  border: 1px solid rgba(99, 102, 241, 0.4);
  color: #a5b4fc;
  font-weight: 600;
  text-transform: uppercase;
}

.admin-nav-tabs {
  display: flex;
  gap: 0.5rem;
}

.nav-tab-btn {
  background: transparent;
  border: none;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-tab-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.nav-tab-btn.active {
  color: #ffffff;
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid rgba(59, 130, 246, 0.35);
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

#link-view-showcase {
  font-size: 0.8125rem;
  color: var(--text-accent);
  padding: 0.3125rem 0.625rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  transition: all var(--transition-fast);
}
#link-view-showcase:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

#user-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 700;
  font-size: 0.75rem;
}

/* ==========================================================================
   KPI Summary Grid (#kpi-grid)
   ========================================================================== */
#kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
}

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.kpi-icon.icon-blue {
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.kpi-icon.icon-green {
  background: var(--badge-published-bg);
  color: var(--badge-published);
  border: 1px solid var(--badge-published-border);
}

.kpi-icon.icon-amber {
  background: var(--badge-warning-bg);
  color: var(--badge-warning);
  border: 1px solid var(--badge-warning-border);
}

.kpi-icon.icon-purple {
  background: rgba(139, 92, 246, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.kpi-info .kpi-label {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}

.kpi-info .kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1;
}

/* ==========================================================================
   Toolbar & Data Tables
   ========================================================================== */
.table-panel-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  justify-content: space-between;
}

.toolbar-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.toolbar-filters input,
.toolbar-filters select {
  padding: 0.4375rem 0.875rem;
  font-size: 0.875rem;
  min-width: 160px;
}

.data-table-container {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  background: var(--bg-glass-card);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.875rem;
}

.data-table th {
  padding: 0.875rem 1rem;
  background: rgba(17, 24, 39, 0.95);
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-glass);
  white-space: nowrap;
}

.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  vertical-align: middle;
  color: var(--text-secondary);
}

.data-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
}

.sol-name-cell {
  color: #ffffff;
  font-weight: 600;
}

.sol-slug-badge {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--accent-cyan);
  background: rgba(56, 189, 248, 0.08);
  padding: 0.125rem 0.375rem;
  border-radius: 4px;
  display: inline-block;
  margin-top: 0.25rem;
}

/* Status Badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-published {
  background-color: var(--badge-published-bg);
  border: 1px solid var(--badge-published-border);
  color: #34d399;
}
.badge-published::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #34d399;
  box-shadow: 0 0 6px #34d399;
}

.badge-draft {
  background-color: var(--badge-warning-bg);
  border: 1px solid var(--badge-warning-border);
  color: #fbbf24;
}
.badge-draft::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #fbbf24;
}

/* Inquiry Status Badges */
.badge-status-new {
  background: var(--badge-info-bg);
  border: 1px solid var(--badge-info-border);
  color: #60a5fa;
}

.badge-status-contacted {
  background: var(--badge-warning-bg);
  border: 1px solid var(--badge-warning-border);
  color: #fbbf24;
}

.badge-status-closed {
  background: var(--badge-published-bg);
  border: 1px solid var(--badge-published-border);
  color: #34d399;
}

.badge-status-archived {
  background: rgba(107, 114, 128, 0.15);
  border: 1px solid rgba(107, 114, 128, 0.3);
  color: #9ca3af;
}

/* One-Click Publish Toggle Switch */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  width: 44px;
  height: 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-full);
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background-color: #ffffff;
  border-radius: 50%;
  transition: transform var(--transition-normal);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.toggle-switch input:checked + .toggle-track {
  background-color: var(--badge-published);
  border-color: var(--badge-published);
}

.toggle-switch input:checked + .toggle-track .toggle-thumb {
  transform: translateX(20px);
}

.toggle-switch input:disabled + .toggle-track {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Action Buttons in Rows */
.row-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.empty-state {
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
}
.empty-state p {
  font-size: 0.9375rem;
  margin-top: 0.5rem;
}

/* Inquiries Triage Specifics */
.inquiry-client {
  font-weight: 600;
  color: #ffffff;
}

.inquiry-contacts {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8125rem;
}
.inquiry-contacts a {
  color: var(--text-accent);
}
.inquiry-contacts a:hover {
  text-decoration: underline;
}

.inquiry-message {
  max-width: 320px;
  word-break: break-word;
  color: var(--text-secondary);
  font-size: 0.8125rem;
  line-height: 1.4;
}

.select-inquiry-status {
  padding: 0.25rem 0.5rem;
  font-size: 0.8125rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

/* ==========================================================================
   Modals
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: var(--backdrop-blur-heavy);
  -webkit-backdrop-filter: var(--backdrop-blur-heavy);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
  display: none !important;
}

.modal-card {
  width: 100%;
  max-width: 640px;
  background: rgba(17, 24, 39, 0.96);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--modal-shadow);
  padding: 2rem;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.25rem;
  color: #ffffff;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.75rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}
.modal-close:hover {
  color: #ffffff;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  cursor: pointer;
  user-select: none;
}
.checkbox-group input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.875rem;
  margin-top: 1.5rem;
  border-top: 1px solid var(--border-glass);
  padding-top: 1.25rem;
}

/* Delete Confirm Modal Specifics */
.delete-modal-card {
  max-width: 480px;
}

.delete-warning-text {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.target-highlight {
  color: #fca5a5;
  font-weight: 700;
}

/* ==========================================================================
   Toast Notification System
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 420px;
  background: rgba(17, 24, 39, 0.94);
  backdrop-filter: var(--backdrop-blur);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.875rem 1.25rem;
  box-shadow: var(--modal-shadow);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.toast.toast-success { border-left: 4px solid var(--badge-published); }
.toast.toast-error { border-left: 4px solid var(--badge-danger); }
.toast.toast-info { border-left: 4px solid var(--accent-blue); }

@keyframes slideInToast {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Responsive Adaptations */
@media (max-width: 768px) {
  .header-left {
    gap: 1rem;
  }
  .admin-nav-tabs {
    flex-wrap: wrap;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .toolbar-filters {
    width: 100%;
  }
  .toolbar-filters input,
  .toolbar-filters select {
    width: 100%;
  }
}