/* ============================================================================
 * SILVERX OFFICIAL PLATFORM — LUXURIOUS BLACK & PEARL DESIGN SYSTEM
 * Core Palette Tokens:
 *   Obsidian Black:   #08090B
 *   Deep Black:       #101114
 *   Pearl White:      #F4F1EB
 *   Soft Ivory:       #E8E3DA
 *   Muted Silver:     #A9ADB5
 *   Secondary Text:   #777D87
 *   Subtle Borders:   #303238
 * Note: Zero neon green accents. Distinct sovereign SILVERX identity.
 * ============================================================================ */

:root {
  --sx-obsidian: #08090B;
  --sx-deep-black: #101114;
  --sx-surface-elevated: #17191D;
  --sx-surface-hover: #202329;
  --sx-pearl: #F4F1EB;
  --sx-ivory: #E8E3DA;
  --sx-silver: #A9ADB5;
  --sx-text-secondary: #777D87;
  --sx-border: #303238;
  --sx-border-strong: #4A4E57;
  --sx-status-ok: #D8D4CC;
  --sx-status-warn: #D9B778;
  --sx-status-danger: #E07A7A;

  --sx-font-display: 'Syne', 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --sx-font-sans: 'Plus Jakarta Sans', 'Inter', 'IBM Plex Sans Arabic', 'Noto Sans Arabic', -apple-system, BlinkMacSystemFont, sans-serif;
  --sx-font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  --sx-radius-sm: 4px;
  --sx-radius-md: 8px;
  --sx-radius-lg: 12px;
  --sx-max-width: 1240px;
  --sx-transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  background-color: var(--sx-obsidian);
  color: var(--sx-pearl);
  font-family: var(--sx-font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--sx-obsidian);
  color: var(--sx-pearl);
  overflow-x: hidden;
  background-image:
    radial-gradient(circle at 18% 0%, rgba(244, 241, 235, 0.045), transparent 42%),
    radial-gradient(circle at 85% 12%, rgba(169, 173, 181, 0.035), transparent 38%);
}

[dir="rtl"] {
  font-family: 'IBM Plex Sans Arabic', 'Noto Sans Arabic', var(--sx-font-sans);
}

/* Honor Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Keyboard Focus Visibility */
:focus-visible {
  outline: 2px solid var(--sx-pearl);
  outline-offset: 3px;
}

a {
  color: var(--sx-pearl);
  text-decoration: none;
  transition: color var(--sx-transition), border-color var(--sx-transition), background-color var(--sx-transition);
}

a:hover {
  color: var(--sx-ivory);
}

img, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Typography Hierarchy */
h1, h2, h3, h4, .sx-display {
  font-family: var(--sx-font-display);
  color: var(--sx-pearl);
  margin: 0 0 0.75rem 0;
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 700;
}

[dir="rtl"] h1, [dir="rtl"] h2, [dir="rtl"] h3, [dir="rtl"] h4 {
  font-family: 'IBM Plex Sans Arabic', 'Noto Sans Arabic', sans-serif;
  letter-spacing: 0;
  line-height: 1.3;
}

.sx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--sx-font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--sx-silver);
  margin-bottom: 1rem;
}

.sx-eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--sx-pearl);
  border-radius: 1px;
}

/* Layout Containers */
.sx-container {
  width: 100%;
  max-width: var(--sx-max-width);
  margin: 0 auto;
  padding-inline: clamp(1rem, 4vw, 1.5rem);
}

.sx-section {
  padding: 5.5rem 0;
  border-bottom: 1px solid var(--sx-border);
}

@media (max-width: 768px) {
  .sx-section {
    padding: 3.5rem 0;
  }
}

/* Header & Navigation */
.sx-announcement {
  background-color: var(--sx-deep-black);
  border-bottom: 1px solid var(--sx-border);
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
  color: var(--sx-ivory);
  text-align: center;
}

.sx-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(8, 9, 11, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sx-border);
}

.sx-header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: 1rem;
}

.sx-nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.sx-nav-link {
  font-size: 0.9rem;
  color: var(--sx-silver);
  font-weight: 500;
  padding: 0.35rem 0;
  border-bottom: 1.5px solid transparent;
}

.sx-nav-link:hover,
.sx-nav-link.active {
  color: var(--sx-pearl);
  border-bottom-color: var(--sx-pearl);
}

.sx-header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.sx-mobile-toggle {
  display: none;
}

.sx-header-actions .sx-btn,
.sx-mobile-toggle {
  min-height: 2.75rem;
}

@media (max-width: 920px) {
  .sx-nav-links {
    display: none;
  }
  .sx-nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--sx-deep-black);
    border-bottom: 1px solid var(--sx-border);
    padding: 1.25rem 1.5rem;
    gap: 0.85rem;
  }
  .sx-mobile-toggle {
    display: inline-flex;
  }
}

/* Buttons & Controls */
.sx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--sx-radius-sm);
  border: 1px solid var(--sx-border);
  cursor: pointer;
  transition: all var(--sx-transition);
  font-family: inherit;
  line-height: 1.2;
  white-space: normal;
  min-height: 2.75rem;
}

.sx-btn-primary {
  background-color: var(--sx-pearl);
  color: var(--sx-obsidian);
  border-color: var(--sx-pearl);
}

.sx-btn-primary:hover {
  background-color: var(--sx-ivory);
  border-color: var(--sx-ivory);
  color: var(--sx-obsidian);
}

.sx-btn-secondary {
  background-color: var(--sx-deep-black);
  color: var(--sx-pearl);
  border-color: var(--sx-border-strong);
}

.sx-btn-secondary:hover {
  background-color: var(--sx-surface-hover);
  border-color: var(--sx-silver);
}

.sx-btn-ghost {
  background-color: transparent;
  color: var(--sx-silver);
  border-color: var(--sx-border);
  padding: 0.5rem 0.85rem;
  font-size: 0.8125rem;
}

.sx-btn-ghost:hover {
  color: var(--sx-pearl);
  border-color: var(--sx-silver);
  background-color: var(--sx-deep-black);
}

.sx-btn-danger {
  background-color: rgba(224, 122, 122, 0.12);
  color: var(--sx-status-danger);
  border-color: rgba(224, 122, 122, 0.35);
}

.sx-btn-danger:hover {
  background-color: rgba(224, 122, 122, 0.22);
}

/* Grid & Cards */
.sx-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.75rem;
}

.sx-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.sx-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 980px) {
  .sx-grid-3, .sx-grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .sx-grid-2, .sx-grid-3, .sx-grid-4 {
    grid-template-columns: 1fr;
  }
}

.sx-card {
  background-color: var(--sx-deep-black);
  border: 1px solid var(--sx-border);
  border-radius: var(--sx-radius-md);
  padding: 1.75rem;
  transition: border-color var(--sx-transition), transform var(--sx-transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.sx-card:hover {
  border-color: var(--sx-border-strong);
}

.sx-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.65rem;
  font-family: var(--sx-font-mono);
  font-size: 0.72rem;
  border-radius: var(--sx-radius-sm);
  background-color: var(--sx-obsidian);
  border: 1px solid var(--sx-border);
  color: var(--sx-ivory);
  letter-spacing: 0.04em;
}

.sx-badge-published {
  border-color: var(--sx-pearl);
  color: var(--sx-pearl);
}

.sx-badge-draft {
  border-color: var(--sx-border-strong);
  color: var(--sx-silver);
}

/* Forms & Inputs */
.sx-field {
  margin-bottom: 1.15rem;
}

.sx-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--sx-ivory);
  margin-bottom: 0.4rem;
}

.sx-input,
.sx-select,
.sx-textarea {
  width: 100%;
  background-color: var(--sx-obsidian);
  color: var(--sx-pearl);
  border: 1px solid var(--sx-border);
  border-radius: var(--sx-radius-sm);
  padding: 0.68rem 0.85rem;
  font-size: 0.925rem;
  font-family: inherit;
  transition: border-color var(--sx-transition);
}

.sx-input:focus,
.sx-select:focus,
.sx-textarea:focus {
  border-color: var(--sx-pearl);
  outline: none;
}

.sx-textarea {
  min-height: 110px;
  resize: vertical;
}

.sx-help {
  font-size: 0.76rem;
  color: var(--sx-text-secondary);
  margin-top: 0.3rem;
}

/* Rich Prose Styling */
.sx-prose {
  max-width: 76ch;
  color: var(--sx-ivory);
  font-size: 1.04rem;
  line-height: 1.75;
}

.sx-prose h2, .sx-prose h3, .sx-prose h4 {
  color: var(--sx-pearl);
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.sx-prose p {
  margin: 0 0 1.2rem 0;
}

.sx-prose ul, .sx-prose ol {
  margin-block: 0 1.25rem;
  margin-inline: 1.25rem 0;
  padding: 0;
}

.sx-prose li {
  margin-bottom: 0.45rem;
}

.sx-prose code {
  font-family: var(--sx-font-mono);
  font-size: 0.86em;
  background-color: var(--sx-deep-black);
  border: 1px solid var(--sx-border);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  color: var(--sx-pearl);
}

/* Footer */
.sx-footer {
  background-color: var(--sx-deep-black);
  border-top: 1px solid var(--sx-border);
  padding: 4rem 0 2.5rem;
  margin-top: 4rem;
}

/* Admin Platform Layout (/admin) */
.sx-admin-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  min-height: 100vh;
  background-color: var(--sx-obsidian);
}

.sx-admin-sidebar {
  background-color: var(--sx-deep-black);
  border-inline-end: 1px solid var(--sx-border);
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sx-admin-nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: start;
  padding: 0.65rem 0.85rem;
  margin-bottom: 0.25rem;
  border-radius: var(--sx-radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--sx-silver);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.sx-admin-nav-btn:hover {
  background-color: var(--sx-surface-elevated);
  color: var(--sx-pearl);
}

.sx-admin-nav-btn.active {
  background-color: var(--sx-obsidian);
  color: var(--sx-pearl);
  border-color: var(--sx-border-strong);
}

.sx-admin-main {
  padding: 2rem 2.25rem;
  max-width: 1400px;
  width: 100%;
  min-width: 0;
}

@media (max-width: 900px) {
  .sx-admin-shell {
    grid-template-columns: 1fr;
  }
  .sx-admin-sidebar {
    position: static;
    height: auto;
    border-inline-end: none;
    border-bottom: 1px solid var(--sx-border);
  }
  .sx-admin-main {
    padding: 1.25rem 1rem;
  }
}

/* Tables */
.sx-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--sx-border);
  border-radius: var(--sx-radius-md);
  background-color: var(--sx-deep-black);
}

.sx-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.sx-table th,
.sx-table td {
  padding: 0.85rem 1rem;
  text-align: start;
  border-bottom: 1px solid var(--sx-border);
  overflow-wrap: anywhere;
}

.sx-table th {
  font-family: var(--sx-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sx-silver);
  background-color: var(--sx-obsidian);
}

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

/* Toast Notification & Modal */
.sx-toast-container {
  position: fixed;
  bottom: 1.5rem;
  inset-inline-end: 1.5rem;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  max-width: 380px;
}

.sx-toast {
  background-color: var(--sx-deep-black);
  border: 1px solid var(--sx-pearl);
  color: var(--sx-pearl);
  padding: 0.85rem 1.1rem;
  border-radius: var(--sx-radius-sm);
  font-size: 0.85rem;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.65);
}

.sx-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(8, 9, 11, 0.82);
  backdrop-filter: blur(6px);
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
}

.sx-modal {
  background-color: var(--sx-deep-black);
  border: 1px solid var(--sx-border-strong);
  border-radius: var(--sx-radius-md);
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.75rem;
}

/* Responsive hardening: keep controls readable and prevent intrinsic content
   (JSON, URLs, long labels, and generated prose) from widening the viewport. */
pre, code, .sx-prose, .sx-table, .sx-admin-main {
  overflow-wrap: anywhere;
  word-break: break-word;
}

button, input, select, textarea {
  max-width: 100%;
}

@media (max-width: 680px) {
  html { font-size: 15px; }

  .sx-header-inner {
    min-height: 4rem;
    gap: 0.5rem;
  }

  .sx-header-inner > a {
    flex: 1 1 auto;
    min-width: 0;
  }

  .sx-header-inner > a svg {
    width: min(188px, 42vw);
  }

  .sx-header-actions {
    flex: 0 0 auto;
    gap: 0.25rem;
  }

  .sx-header-actions .sx-btn {
    padding-inline: 0.55rem;
    font-size: 0.75rem;
  }

  .sx-header-actions > [data-nav="/admin"] {
    display: none;
  }

  .sx-nav-links.open {
    padding-inline: clamp(1rem, 4vw, 1.5rem);
  }

  .sx-nav-link {
    display: block;
    padding-block: 0.55rem;
  }

  .sx-section { padding-block: 3rem; }
  .sx-card { padding: 1.25rem; }
  .sx-modal-backdrop { padding: 0.75rem; }
  .sx-modal { padding: 1.25rem; max-height: 92vh; }
  .sx-toast-container {
    inset-inline: 0.75rem;
    max-width: none;
    bottom: 0.75rem;
  }

  .sx-admin-main { padding: 1rem; }
  .sx-admin-sidebar { padding: 1rem; }
  .sx-admin-nav-btn { min-height: 2.75rem; }
  .sx-table-wrap { max-width: 100%; }
  .sx-table { min-width: 36rem; }
}

@media (max-width: 380px) {
  .sx-header-actions [data-action="open-search-modal"] {
    inline-size: 2.75rem;
    overflow: hidden;
    white-space: nowrap;
    font-size: 0;
  }

  .sx-header-actions [data-action="open-search-modal"]::before {
    content: '⌕';
    font-size: 1.1rem;
  }

  .sx-header-actions [data-action="toggle-locale"] { font-size: 0.7rem; }
}

/* Mobile-first correction layer: compact controls, no forced-width fields,
   and a usable two-column admin navigation on narrow screens. */
body { overflow-x: clip; }
.sx-logo-lockup { max-width: 100%; }
.sx-logo-lockup > span:last-child {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sx-grid-2 > *, .sx-grid-3 > *, .sx-grid-4 > * { min-width: 0; }
.sx-select[style*="min-width"] { min-width: 0 !important; }

@media (max-width: 680px) {
  .sx-header-inner {
    min-height: 3.75rem;
    gap: 0.4rem;
    padding-inline: 0.85rem;
  }
  .sx-header-inner > a { min-width: 0; overflow: hidden; }
  .sx-header-inner > a .sx-logo-lockup { gap: 0.45rem !important; }
  .sx-header-inner > a svg { width: 30px; height: 30px; }
  .sx-header-inner > a .sx-logo-lockup > span:last-child {
    font-size: 0.98rem !important;
    letter-spacing: 0.14em !important;
  }
  .sx-header-actions { gap: 0.25rem; }
  .sx-header-actions [data-action="open-search-modal"] { display: none; }
  .sx-header-actions > [data-nav="/admin"] { display: none; }
  .sx-nav-links.open {
    z-index: 60;
    padding-inline: 1rem;
    box-shadow: 0 16px 30px rgba(0,0,0,0.35);
  }
  .sx-section { padding-block: 2.5rem; }
  .sx-section h1 { font-size: clamp(1.8rem, 9vw, 2.6rem) !important; }
  .sx-section h2 { font-size: clamp(1.25rem, 6vw, 1.65rem) !important; }
  .sx-prose { font-size: 0.98rem; line-height: 1.8; }
  .sx-grid-4 > [style*="grid-column"] { grid-column: auto !important; }
  .sx-footer { padding-top: 2.5rem; margin-top: 2.5rem; }
  .sx-admin-main { padding: 1rem 0.85rem 2rem; }
  .sx-admin-main h1 { font-size: 1.45rem !important; }
  .sx-admin-sidebar { padding: 0.75rem; }
  .sx-table { min-width: 36rem; }
}

@media (max-width: 900px) {
  .sx-admin-sidebar > div:first-child > nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.3rem;
  }
  .sx-admin-nav-btn {
    min-width: 0;
    margin: 0;
    padding: 0.65rem 0.55rem;
    font-size: 0.78rem;
    gap: 0.35rem;
  }
  .sx-admin-nav-btn > span:first-child { overflow-wrap: anywhere; }
}

@media (max-width: 380px) {
  .sx-header-actions { gap: 0.15rem; }
  .sx-header-actions [data-action="toggle-locale"] {
    min-width: 2.75rem;
    padding-inline: 0.35rem;
    font-size: 0.7rem;
  }
  .sx-mobile-toggle { padding-inline: 0.65rem; }
  .sx-admin-sidebar > div:first-child > nav { grid-template-columns: 1fr; }
}