/* ============================================================
   SocialDesk — Professional Design System
   Desktop + Mobile, RTL, Accessible
   ============================================================ */

:root {
  --bg-0: #070b15;
  --bg-1: #0a0e1a;
  --bg-2: #111827;
  --bg-3: #1a2236;
  --bd-1: #1e293b;
  --bd-2: #334155;
  --tx-1: #e2e8f0;
  --tx-2: #94a3b8;
  --tx-3: #64748b;
  --pri-1: #6366f1;
  --pri-2: #38bdf8;
  --pri-grad: linear-gradient(135deg, #6366f1 0%, #8b5cf6 40%, #38bdf8 100%);
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --focus: #38bdf8;
  --radius: 14px;
  --shadow-1: 0 4px 12px rgba(0,0,0,.25);
  --shadow-2: 0 12px 32px rgba(0,0,0,.35);
  --mobile-nav-h: 68px;
  --hero-h: 200px;
  --hero-h-mobile: 160px;
}

html { -webkit-text-size-adjust: 100%; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }

/* Focus — accessibility */
:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: 10px;
  inset-inline-start: 10px;
  z-index: 10000;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.98);
  border: 1px solid rgba(56, 189, 248, 0.55);
  color: #e2e8f0;
  text-decoration: none;
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform 0.15s ease;
}
.skip-link:focus { transform: translateY(0); }

@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;
  }
}

/* ============================================================
   PAGE HERO — Professional banner (compact)
   ============================================================ */
.page-hero {
  position: relative;
  height: var(--hero-h);
  overflow: hidden;
  background-color: #0b1020;
  background-image: var(--hero-img, none);
  background-size: cover;
  background-position: var(--hero-pos, center 40%);
  background-repeat: no-repeat;
  border-bottom: 1px solid rgba(99,102,241,.3);
  box-shadow: 0 4px 24px rgba(0,0,0,.4);
  isolation: isolate;
}

.page-hero::before {
  /* Gradient overlay for text legibility over image */
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(17,24,39,.88) 0%, rgba(49,46,129,.72) 40%, rgba(11,16,32,.55) 100%),
    radial-gradient(circle at 85% 30%, rgba(56,189,248,.22) 0, transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.page-hero::after {
  /* Diagonal sheen */
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,.06) 50%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  overflow: hidden;
}
.page-hero__text {
  min-width: 0;
  flex: 1 1 auto;
  overflow: hidden;
}
.page-hero__icon {
  width: 68px;
  height: 68px;
  border-radius: 18px;
  background: rgba(255,255,255,.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.25);
  display: grid;
  place-items: center;
  font-size: 1.9rem;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.25);
  flex-shrink: 0;
}
.page-hero__text { min-width: 0; flex: 1; }
.page-hero__title {
  font-size: clamp(1.15rem, 2.6vw, 1.75rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 10px rgba(0,0,0,.35);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  word-break: break-word;
}
.page-hero__sub {
  font-size: clamp(0.72rem, 1.4vw, 0.95rem);
  color: rgba(255,255,255,.9);
  margin: 0;
  font-weight: 500;
  text-shadow: 0 1px 4px rgba(0,0,0,.3);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.page-hero__actions {
  margin-inline-start: auto;
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Force-hide legacy inline page-title that sits inside .main after we added a hero */
body:has(.page-hero) .main > .page-title,
body:has(.page-hero) .main > .page-desc {
  display: none !important;
}

/* Pages that use .navbar with position:fixed (generate, help, client_request,
   portal, login) need body padding so the hero is not hidden behind the bar. */
body:has(> nav.navbar) {
  padding-top: 58px;
}
@media (max-width: 860px) {
  body:has(> nav.navbar) {
    padding-top: 54px;
  }
}
/* Override legacy large top padding on .main that was used to clear the fixed
   navbar before we added a hero. The hero now sits directly under the navbar. */
body:has(.page-hero) .main {
  padding-top: 1.5rem !important;
}
@media (max-width: 860px) {
  body:has(.page-hero) .main {
    padding-top: 1rem !important;
  }
}

/* ============================================================
   PAGE INFO — "What's on this page + what you can do"
   ============================================================ */
.page-info {
  max-width: 1200px;
  margin: 1.25rem auto 0;
  padding: 0 1.25rem;
}
.page-info__card {
  background: linear-gradient(180deg, rgba(30,41,59,.55) 0%, rgba(17,24,39,.65) 100%);
  border: 1px solid rgba(99,102,241,.22);
  border-radius: 14px;
  padding: 1rem 1.15rem;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 1.25rem;
  align-items: start;
  box-shadow: 0 6px 20px rgba(0,0,0,.25), inset 0 1px 0 rgba(255,255,255,.04);
}
.page-info__text {
  font-size: 0.88rem;
  color: var(--tx-2);
  line-height: 1.55;
  min-width: 0;
}
.page-info__text strong { color: var(--tx-1); font-weight: 700; }
.page-info__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}
.page-info__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.7rem;
  background: rgba(99,102,241,.12);
  color: #c7d2fe;
  border: 1px solid rgba(99,102,241,.35);
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.page-info__chip i { font-size: 0.72rem; opacity: .85; }

@media (max-width: 860px) {
  .page-info { margin-top: 0.85rem; padding: 0 0.85rem; }
  .page-info__card {
    grid-template-columns: 1fr;
    padding: 0.85rem 1rem;
    gap: 0.6rem;
    border-radius: 12px;
  }
  .page-info__text { font-size: 0.82rem; }
  .page-info__actions { justify-content: flex-start; }
  .page-info__chip { font-size: 0.7rem; padding: 0.3rem 0.6rem; }
}

/* ============================================================
   MAIN LAYOUT — Responsive wrapping
   ============================================================ */
.main, main.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem;
}
body:has(.mobilenav) .main {
  padding-bottom: calc(var(--mobile-nav-h) + env(safe-area-inset-bottom, 0px) + 1.5rem);
}

/* ============================================================
   TOPBAR — Responsive (hide nav on mobile)
   ============================================================ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(17, 24, 39, 0.85) !important;
  border-bottom: 1px solid rgba(30, 41, 59, 0.6) !important;
}
.topbar .logo {
  font-size: 1.25rem !important;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================================
   MOBILE BOTTOM NAV — iOS/Android style
   ============================================================ */
.mobilenav {
  display: none; /* desktop: hidden */
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  height: calc(var(--mobile-nav-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(11, 16, 32, 0.92);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid rgba(99, 102, 241, 0.25);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.45);
}
.mobilenav__list {
  height: var(--mobile-nav-h);
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 1fr;
  align-items: stretch;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 0.25rem;
}
.mobilenav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  color: var(--tx-2);
  text-decoration: none;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.4rem 0.2rem;
  transition: color 0.15s, transform 0.15s;
  position: relative;
  min-width: 0;
}
.mobilenav a i {
  font-size: 1.2rem;
  line-height: 1;
}
.mobilenav a span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.mobilenav a:hover { color: var(--tx-1); }
.mobilenav a.active {
  color: var(--pri-2);
}
.mobilenav a.active::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 3px;
  border-radius: 3px;
  background: var(--pri-grad);
  box-shadow: 0 0 12px rgba(99, 102, 241, .7);
}
.mobilenav a:active { transform: scale(0.94); }

/* ============================================================
   RESPONSIVE — Mobile breakpoints
   ============================================================ */
@media (max-width: 860px) {
  :root {
    --hero-h: var(--hero-h-mobile);
  }

  .topbar {
    padding: 0.75rem 1rem !important;
  }
  /* Hide desktop nav links on mobile — replaced by bottom nav */
  .topbar nav,
  .navbar .nav-links,
  .navbar .nav-user {
    display: none !important;
  }
  .navbar {
    padding: 0.75rem 1rem !important;
    justify-content: center !important;
  }
  .topbar .logo {
    font-size: 1.05rem !important;
  }

  .page-hero__inner {
    padding: 0 1rem;
    gap: 0.85rem;
  }
  .page-hero__icon {
    width: 52px;
    height: 52px;
    font-size: 1.45rem;
    border-radius: 14px;
  }
  .page-hero__title { font-size: 1.25rem; }
  .page-hero__sub { font-size: 0.78rem; }
  .page-hero__actions { display: none; }

  .main, main.main {
    padding: 1rem 0.85rem;
  }

  /* Show mobile bottom nav */
  .mobilenav {
    display: block;
  }

  /* Row helpers — stack on mobile */
  .row {
    gap: 0.55rem !important;
  }
  .row .field,
  .row .field select,
  .row .field input {
    width: 100%;
  }
  .field { flex: 1 1 140px !important; min-width: 0 !important; }

  /* Cards — tighter padding on mobile */
  .card {
    padding: 1rem !important;
    border-radius: 12px !important;
  }

  /* URL row — stack on mobile */
  .url-row {
    flex-direction: column !important;
  }
  .url-row input,
  .url-row button {
    width: 100% !important;
  }

  /* Buttons — full width on forms */
  .btn-upload-main,
  .btn-primary.btn-full {
    width: 100% !important;
  }

  /* Summary row — stack */
  .summary-row {
    flex-direction: column !important;
  }

  /* Tables — horizontal scroll container */
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    white-space: nowrap;
  }

  /* Textareas — full width */
  textarea {
    font-size: 16px !important; /* Prevents iOS zoom on focus */
  }
  input[type="text"],
  input[type="email"],
  input[type="password"],
  input[type="url"],
  input[type="date"],
  input[type="time"],
  select {
    font-size: 16px !important; /* Prevents iOS zoom on focus */
  }

  /* Post cards on mobile */
  .post-card,
  .post-card .post-header {
    padding: 0.75rem !important;
  }
  .post-header {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .post-header select,
  .post-header input {
    width: 100% !important;
  }
}

/* Very small screens */
@media (max-width: 420px) {
  .page-hero__inner { padding: 0 0.75rem; }
  .page-hero__title { font-size: 1.1rem; }
  .page-hero__sub { font-size: 0.72rem; }
  .mobilenav a { font-size: 0.63rem; }
  .mobilenav a i { font-size: 1.1rem; }
}

/* Tablet / medium */
@media (min-width: 861px) and (max-width: 1100px) {
  .main, main.main { padding: 1.5rem; }
}

/* ============================================================
   UTILITY ENHANCEMENTS (Desktop polish)
   ============================================================ */
.card {
  box-shadow: var(--shadow-1);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-2);
}

.btn {
  transition: all 0.18s ease !important;
}
.btn:active { transform: translateY(1px) scale(0.985); }

/* Selection highlight */
::selection {
  background: rgba(99, 102, 241, 0.45);
  color: #fff;
}

/* Scrollbar — subtle */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-1);
}
::-webkit-scrollbar-thumb {
  background: var(--bd-1);
  border-radius: 10px;
  border: 2px solid var(--bg-1);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--bd-2);
}