/* =====================================================================
   Rojgar Sathee — Premium UI System v2
   Brand palette: Deep Blue + Orange + White/Light Gray
   - CSS variables for theme + dark mode
   - Glassmorphism + new brand surfaces
   - Mobile-first transitions, image lightbox, lazy load shimmer
   ===================================================================== */

:root {
  /* === Brand colors (Deep Blue + Orange) === */
  --rs-primary: #0b3d91;        /* deep navy blue */
  --rs-primary-600: #08306e;
  --rs-primary-700: #062556;
  --rs-primary-50:  #e7eef9;
  --rs-accent: #ff7a00;         /* warm orange accent */
  --rs-accent-600: #e76900;
  --rs-accent-50: #fff1e3;

  --rs-success: #15a866;
  --rs-warning: #f59e0b;
  --rs-danger:  #e23737;
  --rs-purple:  #7c3aed;

  --rs-bg:      #f5f7fb;        /* very light cool gray */
  --rs-bg-2:    #ffffff;
  --rs-surface: rgba(255,255,255,.78);
  --rs-border:  rgba(11, 61, 145, 0.10);
  --rs-text:    #0f1a35;
  --rs-text-muted: #5a6478;

  /* Compatibility aliases (legacy class names) */
  --mm-primary: var(--rs-primary);
  --mm-primary-600: var(--rs-primary-600);
  --mm-primary-50:  var(--rs-primary-50);
  --mm-accent: var(--rs-accent);
  --mm-success: var(--rs-success);
  --mm-warning: var(--rs-warning);
  --mm-danger:  var(--rs-danger);
  --mm-purple:  var(--rs-purple);
  --mm-bg:      var(--rs-bg);
  --mm-bg-2:    var(--rs-bg-2);
  --mm-surface: var(--rs-surface);
  --mm-border:  var(--rs-border);
  --mm-text:    var(--rs-text);
  --mm-text-muted: var(--rs-text-muted);

  --mm-radius: 16px;
  --mm-radius-sm: 10px;
  --mm-shadow-sm: 0 2px 6px rgba(11,61,145,.06);
  --mm-shadow-md: 0 8px 28px rgba(11,61,145,.10);
  --mm-shadow-lg: 0 24px 48px rgba(11,61,145,.16);
  --mm-glass-blur: 14px;

  --mm-transition: cubic-bezier(.22, 1, .36, 1);
}

[data-theme="dark"] {
  --rs-bg:      #0a1124;
  --rs-bg-2:    #101a36;
  --rs-surface: rgba(16,26,54,.75);
  --rs-border:  rgba(255,255,255,.08);
  --rs-text:    #e2e8f0;
  --rs-text-muted: #94a3b8;
  --mm-bg:      var(--rs-bg);
  --mm-bg-2:    var(--rs-bg-2);
  --mm-surface: var(--rs-surface);
  --mm-border:  var(--rs-border);
  --mm-text:    var(--rs-text);
  --mm-text-muted: var(--rs-text-muted);
  --mm-shadow-sm: 0 2px 6px rgba(0,0,0,.45);
  --mm-shadow-md: 0 8px 28px rgba(0,0,0,.45);
  --mm-shadow-lg: 0 24px 48px rgba(0,0,0,.6);
}

* { -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans Devanagari', system-ui, -apple-system, sans-serif;
  background: var(--mm-bg);
  color: var(--mm-text);
  -webkit-font-smoothing: antialiased;
  padding-bottom: 70px; /* leave room for bottom nav on mobile */
}

@media (min-width: 992px) {
  body { padding-bottom: 0; }
}

html[lang="hi"] body,
html[lang="hi"] {
  font-family: 'Noto Sans Devanagari', 'Inter', system-ui, sans-serif;
}

h1,h2,h3,h4,h5 {
  font-family: 'Plus Jakarta Sans', 'Inter', 'Noto Sans Devanagari', sans-serif;
  letter-spacing: -0.01em;
  font-weight: 700;
}

a { color: var(--mm-primary); text-decoration: none; }
a:hover { color: var(--mm-primary-600); }

/* ----- Bootstrap overrides ------------------------------------------------*/
.btn { font-weight: 600; border-radius: 10px; transition: transform .2s var(--mm-transition), box-shadow .2s var(--mm-transition); }
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--mm-primary); border-color: var(--mm-primary); }
.btn-primary:hover { background: var(--mm-primary-600); border-color: var(--mm-primary-600); }
.btn-outline-primary { color: var(--mm-primary); border-color: var(--mm-primary); }
.btn-outline-primary:hover { background: var(--mm-primary); border-color: var(--mm-primary); }
.btn-lg { padding: .75rem 1.5rem; }
.form-control, .form-select { border-radius: 10px; padding: .65rem .9rem; border-color: var(--mm-border); background: var(--mm-bg-2); color: var(--mm-text); }
.form-control:focus, .form-select:focus { border-color: var(--mm-primary); box-shadow: 0 0 0 3px rgba(79,70,229,.18); }

/* ----- Brand bits --------------------------------------------------------*/
.mm-logo {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--rs-primary) 0%, var(--rs-primary-600) 100%);
  color: #fff; font-weight: 800; border-radius: 10px;
  box-shadow: 0 6px 16px rgba(11,61,145,.35);
  position: relative;
}
.mm-logo::after {
  content: ''; position: absolute; right: -3px; bottom: -3px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--rs-accent);
  box-shadow: 0 2px 6px rgba(255,122,0,.5);
  border: 2px solid var(--rs-bg-2);
}
.mm-avatar {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rs-primary), var(--rs-accent)); color: #fff;
  font-weight: 700; font-size: .9rem;
}

/* ----- Navbar / glass header --------------------------------------------*/
.mm-navbar {
  background: var(--mm-surface);
  -webkit-backdrop-filter: blur(var(--mm-glass-blur));
          backdrop-filter: blur(var(--mm-glass-blur));
  border-bottom: 1px solid var(--mm-border);
}
.mm-navbar .nav-link { color: var(--mm-text); font-weight: 500; }
.mm-navbar .nav-link:hover { color: var(--mm-primary); }
.mm-lang .btn { padding: .25rem .55rem; font-weight: 700; }

/* ----- Hero --------------------------------------------------------------*/
.mm-hero {
  position: relative; overflow: hidden;
  padding: 5rem 0 4rem;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(11,61,145,.18), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(255,122,0,.18), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--rs-bg) 100%);
}
[data-theme="dark"] .mm-hero {
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(11,61,145,.30), transparent 60%),
    radial-gradient(900px 400px at 100% 0%, rgba(255,122,0,.18), transparent 55%),
    linear-gradient(180deg, #101a36 0%, #0a1124 100%);
}
.mm-hero h1 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.1; }
.mm-hero .lead { color: var(--mm-text-muted); font-size: 1.15rem; }
.mm-hero .mm-search { background: var(--mm-bg-2); border: 1px solid var(--mm-border); padding: .35rem; border-radius: 999px; box-shadow: var(--mm-shadow-md); }
.mm-hero .mm-search input { border: 0; background: transparent; flex: 1; padding: .55rem 1rem; color: var(--mm-text); }
.mm-hero .mm-search input:focus { outline: 0; }
.mm-hero .mm-blob {
  position: absolute; top: -120px; right: -80px; width: 380px; height: 380px;
  background: radial-gradient(closest-side, rgba(255,122,0,.30), transparent);
  filter: blur(40px); pointer-events: none;
}
.mm-hero .mm-blob-2 {
  position: absolute; bottom: -120px; left: -80px; width: 380px; height: 380px;
  background: radial-gradient(closest-side, rgba(11,61,145,.32), transparent);
  filter: blur(40px); pointer-events: none;
}

/* ----- Glass cards ------------------------------------------------------*/
.mm-card {
  background: var(--mm-bg-2);
  border: 1px solid var(--mm-border);
  border-radius: var(--mm-radius);
  box-shadow: var(--mm-shadow-sm);
  transition: transform .25s var(--mm-transition), box-shadow .25s var(--mm-transition);
  overflow: hidden;
}
.mm-card:hover { transform: translateY(-4px); box-shadow: var(--mm-shadow-md); }

.mm-glass {
  background: var(--mm-surface);
  -webkit-backdrop-filter: blur(var(--mm-glass-blur));
          backdrop-filter: blur(var(--mm-glass-blur));
  border: 1px solid var(--mm-border);
  border-radius: var(--mm-radius);
}

/* exam tile / category pill */
.mm-tile {
  display: flex; align-items: center; gap: .9rem;
  padding: 1rem; border-radius: var(--mm-radius-sm);
  background: var(--mm-bg-2); border: 1px solid var(--mm-border);
  transition: transform .25s var(--mm-transition), box-shadow .25s var(--mm-transition);
  color: var(--mm-text);
}
.mm-tile:hover { transform: translateY(-3px); box-shadow: var(--mm-shadow-md); color: var(--mm-text); }
.mm-tile .mm-tile-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff; flex-shrink: 0;
}

/* test card */
.mm-test-card .badge { font-weight: 600; }
.mm-test-card .mm-meta { display: flex; gap: 1rem; color: var(--mm-text-muted); font-size: .85rem; }
.mm-test-card .mm-meta i { margin-right: 4px; }

/* stats counter strip */
.mm-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 1rem; }
.mm-stats .mm-stat {
  text-align: center; padding: 1.25rem; border-radius: var(--mm-radius);
  background: linear-gradient(135deg, rgba(99,102,241,.08), rgba(139,92,246,.08));
  border: 1px solid var(--mm-border);
}
.mm-stats .mm-stat .num { font-size: 2rem; font-weight: 800; color: var(--mm-primary); }
.mm-stats .mm-stat .lbl { color: var(--mm-text-muted); font-size: .85rem; font-weight: 500; }

/* ----- Footer ----------------------------------------------------------*/
.mm-footer {
  background: linear-gradient(180deg, #0b1020 0%, #060818 100%);
  color: #cbd5e1;
}
.mm-footer h6 { color: #fff; margin-bottom: .9rem; }
.mm-footer a { color: #cbd5e1; }
.mm-footer a:hover { color: #fff; }
.mm-social {
  width: 36px; height: 36px; border-radius: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.06); color: #fff;
}
.mm-social:hover { background: var(--mm-primary); color: #fff; }

/* ----- Bottom nav (mobile) --------------------------------------------*/
.mm-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 1030;
  display: flex; justify-content: space-around;
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  background: var(--mm-surface);
  -webkit-backdrop-filter: blur(var(--mm-glass-blur));
          backdrop-filter: blur(var(--mm-glass-blur));
  border-top: 1px solid var(--mm-border);
}
.mm-bn-item {
  flex: 1; text-align: center; padding: 6px 4px; border-radius: 10px;
  color: var(--mm-text-muted); font-size: .72rem;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  transition: color .2s var(--mm-transition), background .2s var(--mm-transition);
}
.mm-bn-item i { font-size: 1.3rem; }
.mm-bn-item.active, .mm-bn-item:hover { color: var(--mm-primary); }
.mm-bn-cta {
  background: linear-gradient(135deg, var(--mm-primary), #8b5cf6);
  color: #fff !important; box-shadow: 0 8px 18px rgba(99,102,241,.35);
  margin: -18px 6px 0; padding: 10px 4px;
}
.mm-bn-cta i { font-size: 1.4rem; }

/* ----- Auth pages -----------------------------------------------------*/
.mm-auth-wrap {
  min-height: calc(100vh - 70px - 80px);
  display: flex; align-items: center; justify-content: center; padding: 2rem 1rem;
}
.mm-auth-card {
  width: 100%; max-width: 460px; padding: 2rem;
  background: var(--mm-bg-2); border-radius: var(--mm-radius);
  border: 1px solid var(--mm-border); box-shadow: var(--mm-shadow-lg);
}

/* ----- Test palette / interface --------------------------------------*/
.mm-test-shell { display: grid; grid-template-columns: 1fr 320px; gap: 1.2rem; padding: 1rem; }
@media (max-width: 991px) { .mm-test-shell { grid-template-columns: 1fr; } }

.mm-q-stage {
  background: var(--mm-bg-2); border-radius: var(--mm-radius);
  border: 1px solid var(--mm-border); padding: 1.5rem;
  min-height: 60vh;
}
.mm-q-text { font-size: 1.1rem; line-height: 1.6; }
.mm-opt {
  display: block; padding: .9rem 1rem; border: 1.5px solid var(--mm-border);
  border-radius: 12px; cursor: pointer; transition: all .2s var(--mm-transition);
  background: var(--mm-bg-2); color: var(--mm-text);
}
.mm-opt + .mm-opt { margin-top: .65rem; }
.mm-opt:hover { border-color: var(--mm-primary); background: var(--mm-primary-50); }
[data-theme="dark"] .mm-opt:hover { background: rgba(99,102,241,.12); }
.mm-opt.selected { border-color: var(--mm-primary); background: var(--mm-primary-50); font-weight: 600; }
[data-theme="dark"] .mm-opt.selected { background: rgba(99,102,241,.18); }
.mm-opt input { margin-right: .65rem; accent-color: var(--mm-primary); }

.mm-side {
  background: var(--mm-bg-2); border-radius: var(--mm-radius);
  border: 1px solid var(--mm-border); padding: 1rem;
  position: sticky; top: 80px; max-height: calc(100vh - 100px); overflow: auto;
}
.mm-timer {
  font-size: 1.6rem; font-weight: 800; color: var(--mm-primary);
  background: var(--mm-primary-50); padding: .25rem .75rem; border-radius: 10px;
  display: inline-flex; align-items: center; gap: .35rem;
}
.mm-timer.danger { color: var(--mm-danger); background: rgba(239,68,68,.1); animation: mm-pulse 1s infinite; }
@keyframes mm-pulse { 50% { opacity: .55; } }

.mm-palette { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; }
.mm-pal-btn {
  aspect-ratio: 1/1; border-radius: 8px; border: 1px solid var(--mm-border);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; cursor: pointer;
  background: #e5e7eb; color: #334155; transition: transform .15s var(--mm-transition);
}
.mm-pal-btn:hover { transform: scale(1.07); }
.mm-pal-btn.answered { background: var(--mm-success); color: #fff; }
.mm-pal-btn.notanswered { background: var(--mm-danger); color: #fff; }
.mm-pal-btn.notvisited { background: #cbd5e1; color: #334155; }
.mm-pal-btn.review { background: var(--mm-purple); color: #fff; }
.mm-pal-btn.review-answered { background: linear-gradient(135deg, var(--mm-success), var(--mm-purple)); color: #fff; }
.mm-pal-btn.current { outline: 3px solid var(--mm-primary); outline-offset: 2px; }

.mm-legend { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; font-size: .78rem; }
.mm-legend .dot { width: 12px; height: 12px; border-radius: 4px; display: inline-block; margin-right: 6px; vertical-align: -2px; }

/* ----- Result / charts --------------------------------------------------*/
.mm-score-ring {
  width: 160px; height: 160px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; font-weight: 800; color: var(--mm-primary);
  background: conic-gradient(var(--mm-primary) calc(var(--p,0%) * 1%), #e5e7eb 0);
  position: relative;
}
.mm-score-ring::before {
  content: ''; position: absolute; inset: 10px; border-radius: 50%; background: var(--mm-bg-2);
}
.mm-score-ring span { position: relative; z-index: 1; }

/* ----- Admin ------------------------------------------------------------*/
.mm-admin-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
@media (max-width: 991px) { .mm-admin-shell { grid-template-columns: 1fr; } }
.mm-admin-side {
  background: #0f152a; color: #cbd5e1; padding: 1.2rem 0; min-height: 100vh;
}
.mm-admin-side a {
  display: flex; align-items: center; gap: .65rem;
  padding: .65rem 1.2rem; color: #cbd5e1; border-left: 3px solid transparent;
  font-weight: 500;
}
.mm-admin-side a:hover, .mm-admin-side a.active { background: rgba(255,255,255,.05); color: #fff; border-left-color: var(--mm-primary); }
.mm-admin-side .brand { padding: 0 1.2rem 1rem; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 1rem; color: #fff; }
.mm-admin-content { padding: 1.5rem; background: var(--mm-bg); }
.mm-stat-card { background: var(--mm-bg-2); border-radius: var(--mm-radius); padding: 1.2rem; border: 1px solid var(--mm-border); }
.mm-stat-card .num { font-size: 1.8rem; font-weight: 800; }

/* ----- Misc -------------------------------------------------------------*/
.mm-fade-in { animation: mm-fade-in .5s var(--mm-transition); }
@keyframes mm-fade-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.mm-section-title { font-size: 1.6rem; font-weight: 800; }
.mm-section-sub   { color: var(--mm-text-muted); }



/* =====================================================================
   Rojgar Sathee v2 additions
   ===================================================================== */

/* Orange accent button */
.btn-accent {
  background: var(--rs-accent); border-color: var(--rs-accent); color: #fff;
}
.btn-accent:hover, .btn-accent:focus {
  background: var(--rs-accent-600); border-color: var(--rs-accent-600); color: #fff;
}
.btn-outline-accent { color: var(--rs-accent); border-color: var(--rs-accent); }
.btn-outline-accent:hover { background: var(--rs-accent); color: #fff; }
.text-accent { color: var(--rs-accent) !important; }
.bg-accent   { background: var(--rs-accent) !important; color: #fff; }

/* Brand pill (used in hero badge) */
.rs-pill {
  display: inline-flex; align-items: center; gap: .35rem;
  background: var(--rs-accent-50); color: var(--rs-accent-600);
  padding: .35rem .9rem; border-radius: 999px; font-weight: 700; font-size: .85rem;
  border: 1px solid rgba(255,122,0,.18);
}

/* === Image question viewer === */
.rs-qimg {
  display: block; max-width: 100%; height: auto;
  border-radius: 12px; border: 1px solid var(--rs-border);
  margin: .75rem 0 1rem; cursor: zoom-in; background: var(--rs-bg);
  transition: transform .25s var(--mm-transition), box-shadow .25s var(--mm-transition);
}
.rs-qimg:hover { box-shadow: var(--mm-shadow-md); transform: translateY(-1px); }
.rs-qimg.is-thumb { max-height: 320px; object-fit: contain; }
.rs-opt-img { max-width: 220px; max-height: 110px; object-fit: contain; vertical-align: middle; margin-left: .5rem; border-radius: 6px; border: 1px solid var(--rs-border); cursor: zoom-in; }

/* Loading shimmer for lazy images */
.rs-img-shimmer {
  background: linear-gradient(110deg, #ececf3 8%, #f5f5fa 18%, #ececf3 33%);
  background-size: 200% 100%; animation: rs-shim 1.4s ease-in-out infinite;
  border-radius: 12px;
}
[data-theme="dark"] .rs-img-shimmer {
  background: linear-gradient(110deg, #1b2548 8%, #232f5a 18%, #1b2548 33%);
  background-size: 200% 100%;
}
@keyframes rs-shim { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Fullscreen image lightbox */
.rs-lightbox {
  position: fixed; inset: 0; z-index: 2000; display: none;
  align-items: center; justify-content: center;
  background: rgba(2, 6, 23, 0.92); padding: 1rem;
}
.rs-lightbox.is-open { display: flex; animation: rs-fade .25s var(--mm-transition); }
.rs-lightbox img {
  max-width: 96vw; max-height: 90vh; border-radius: 8px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
  cursor: zoom-out;
  background: #fff;
}
.rs-lightbox .rs-lb-close {
  position: absolute; top: 18px; right: 22px;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(255,255,255,.15); color: #fff; border: 0;
  font-size: 1.4rem; cursor: pointer;
  transition: background .2s var(--mm-transition);
}
.rs-lightbox .rs-lb-close:hover { background: rgba(255,255,255,.28); }
@keyframes rs-fade { from { opacity: 0 } to { opacity: 1 } }

/* === Anti-cheat / connectivity warnings (test room) === */
.rs-warning-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1100;
  padding: .65rem 1rem; text-align: center; font-weight: 600;
  background: var(--rs-danger); color: #fff;
  transform: translateY(-100%); transition: transform .25s var(--mm-transition);
}
.rs-warning-banner.is-shown { transform: translateY(0); }
.rs-warning-banner.warning { background: var(--rs-warning); color: #1f2937; }
.rs-warning-banner.success { background: var(--rs-success); }

/* === Bulk-action toolbar (admin) === */
.rs-bulk-bar {
  position: sticky; top: 0; z-index: 5;
  background: var(--rs-primary); color: #fff;
  padding: .6rem 1rem; border-radius: 8px;
  display: none; align-items: center; gap: .75rem; margin-bottom: .75rem;
}
.rs-bulk-bar.is-active { display: flex; }
.rs-bulk-bar .btn { color: #fff; border-color: rgba(255,255,255,.3); }
.rs-bulk-bar .btn:hover { background: rgba(255,255,255,.15); }

/* Negative-marking preset chips */
.rs-neg-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: 999px; cursor: pointer;
  border: 1.5px solid var(--rs-border); background: var(--rs-bg-2);
  font-weight: 600; font-size: .85rem; color: var(--rs-text);
  transition: all .15s var(--mm-transition);
}
.rs-neg-chip:hover { border-color: var(--rs-primary); color: var(--rs-primary); }
.rs-neg-chip.is-active { background: var(--rs-primary); color: #fff; border-color: var(--rs-primary); }

/* Footer brand block */
.mm-footer { background: linear-gradient(180deg, var(--rs-primary-700) 0%, #051e4a 100%); }

/* CTA card uses brand */
.rs-cta-card {
  background: linear-gradient(135deg, var(--rs-primary) 0%, var(--rs-primary-600) 100%);
  color: #fff;
}
.rs-cta-card .btn-light { color: var(--rs-primary); }

/* Sortable header arrow */
.rs-sortable { cursor: pointer; user-select: none; }
.rs-sortable .rs-sort-arrow { opacity: .35; margin-left: 4px; }
.rs-sortable.is-asc  .rs-sort-arrow::before { content: '\2191'; opacity: 1; }
.rs-sortable.is-desc .rs-sort-arrow::before { content: '\2193'; opacity: 1; }