/* ==========================================================================
   DM STATIC APP SUITE - UNIFIED DESIGN SYSTEM (SHARED.CSS)
   Zero Backend, Zero External Fonts/Scripts, 100% Client-Side
   Full Arabic (RTL) & English (LTR) Native Responsive System
   ========================================================================== */

:root {
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Cairo", "Noto Sans Arabic", "Helvetica Neue", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Color Palette - Modern High-Contrast Theme */
  --bg-primary: #0b0f17;
  --bg-secondary: #121824;
  --bg-card: #182234;
  --bg-card-hover: #1f2c42;
  --bg-input: #0e1420;

  --border-color: #27354d;
  --border-focus: #3b82f6;
  --border-subtle: #1e293b;

  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.15);

  --accent: #06b6d4;
  --accent-light: rgba(6, 182, 212, 0.15);

  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.15);
  --success-border: #059669;

  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.15);
  --warning-border: #d97706;

  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.15);
  --danger-border: #dc2626;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.5);

  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

/* Light Theme Variables (Optional / Switchable) */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --bg-input: #ffffff;

  --border-color: #cbd5e1;
  --border-focus: #2563eb;
  --border-subtle: #e2e8f0;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-light: rgba(37, 99, 235, 0.1);
}

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

html {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: 0;
  margin: 0;
}

/* Logical Properties for Bi-directional Layouts (LTR / RTL) */
[dir="rtl"] {
  direction: rtl;
  text-align: right;
}

[dir="ltr"] {
  direction: ltr;
  text-align: left;
}

/* App Container */
.app-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem 1rem;
  flex: 1;
}

@media (min-width: 768px) {
  .app-container {
    padding: 2.5rem 1.5rem 4rem 1.5rem;
  }
}

/* Header & Navigation Bar */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-badge {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.15rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--primary);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.825rem;
}

.btn-icon {
  padding: 0.45rem;
  border-radius: var(--radius-sm);
}

/* Header & Meta Card */
.app-header {
  margin-bottom: 2rem;
}

.app-meta-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--primary-light);
  color: var(--accent);
  border: 1px solid rgba(6, 182, 212, 0.3);
  margin-bottom: 0.75rem;
}

.app-title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 0.75rem;
  color: var(--text-main);
}

@media (min-width: 768px) {
  .app-title {
    font-size: 2.25rem;
  }
}

.app-promise {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 800px;
  line-height: 1.6;
}

/* Two-Column App Workspace Layout */
.app-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-bottom: 2.5rem;
}

@media (min-width: 992px) {
  .app-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

/* Cards */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.form-label .required {
  color: var(--danger);
  margin-inline-start: 0.25rem;
}

.form-hint {
  font-size: 0.775rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--primary-light);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-inline-end: 2.25rem;
}

[dir="rtl"] select.form-control {
  background-position: left 0.75rem center;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Metric Display Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.metric-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-main);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

.metric-value.highlight {
  color: var(--accent);
}

.metric-sub {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

/* Status & Recommendation Banners */
.alert-banner {
  padding: 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
  border-inline-start: 4px solid;
  font-size: 0.9rem;
  line-height: 1.5;
}

.alert-banner.info {
  background-color: var(--primary-light);
  border-color: var(--primary);
  color: #93c5fd;
}

.alert-banner.success {
  background-color: var(--success-light);
  border-color: var(--success);
  color: #6ee7b7;
}

.alert-banner.warning {
  background-color: var(--warning-light);
  border-color: var(--warning);
  color: #fde68a;
}

.alert-banner.danger {
  background-color: var(--danger-light);
  border-color: var(--danger);
  color: #fca5a5;
}

/* Detailed Results Table */
.results-table-wrapper {
  overflow-x: auto;
  margin-top: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
}

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

.results-table th,
.results-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.results-table th {
  background-color: var(--bg-secondary);
  color: var(--text-muted);
  font-weight: 600;
}

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

.results-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Reference & Provenance Box */
.provenance-card {
  margin-top: 2rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.provenance-card h4 {
  color: var(--text-main);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.provenance-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0;
}

.provenance-list li {
  margin-bottom: 0.4rem;
  padding-inline-start: 1.2rem;
  position: relative;
}

.provenance-list li::before {
  content: "•";
  position: absolute;
  inset-inline-start: 0;
  color: var(--accent);
}

.provenance-list a {
  color: var(--accent);
  text-decoration: underline;
}

/* Floating Toast Notification */
.toast {
  position: fixed;
  bottom: 1.5rem;
  inset-inline-end: 1.5rem;
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.25rem;
  font-size: 0.875rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1000;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Portal Catalog Styling */
.portal-header {
  text-align: center;
  margin-bottom: 3rem;
  padding-top: 1rem;
}

.portal-title {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  background: linear-gradient(135deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (min-width: 768px) {
  .portal-title {
    font-size: 3rem;
  }
}

.portal-subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 750px;
  margin: 0 auto 1.75rem auto;
}

.portal-stats-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.portal-stat-pill {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.portal-stat-pill strong {
  color: var(--accent);
}

.search-filter-bar {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .search-filter-bar {
    flex-direction: row;
    align-items: center;
  }
}

.search-input-wrapper {
  flex: 1;
  position: relative;
}

.cluster-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.cluster-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cluster-btn:hover,
.cluster-btn.active {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.catalog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .catalog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.catalog-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  color: inherit;
}

.catalog-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.catalog-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.catalog-card-id {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background-color: var(--primary-light);
  color: var(--accent);
}

.catalog-card-cat {
  font-size: 0.725rem;
  color: var(--text-dim);
}

.catalog-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.catalog-card-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.catalog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

/* Print Styles */
@media print {
  body {
    background-color: #ffffff;
    color: #000000;
  }
  .top-nav, .nav-actions, .btn, .search-filter-bar, .cluster-pills {
    display: none !important;
  }
  .card, .metric-card {
    border: 1px solid #cccccc !important;
    background: #ffffff !important;
    color: #000000 !important;
    box-shadow: none !important;
  }
  .metric-value {
    color: #000000 !important;
  }
}