@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700;900&family=DM+Sans:wght@300;400;500;600&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a, a:hover, a:visited, a:focus { text-decoration: none !important; }

/* ── Light mode tokens ───────────────────────────────── */
:root {
  --gold:        #C9960C;
  --gold-light:  #F5D97A;
  --gold-pale:   #FDF3DC;
  --gold-mid:    #EF9F27;
  --ink:         #1A1208;
  --ink-soft:    #3A2E1A;
  --ink-muted:   #6B6455;
  --surface:     #FDFAF4;
  --surface-2:   #F7F2E8;
  --white:       #FFFFFF;
  --border:      rgba(201,150,12,0.18);
  --border-soft: rgba(201,150,12,0.1);
  --red:         #dc2626;
  --green:       #16a34a;

  /* Semantic tokens */
  --card-bg:          #FFFFFF;
  --card-border:      rgba(201,150,12,0.18);
  --input-bg:         #FFFFFF;
  --input-border:     #DDD5C5;
  --btn-primary-bg:   #1A1208;
  --btn-primary-fg:   #F5D97A;
  --btn-secondary-bg: transparent;
  --btn-secondary-fg: #1A1208;
  --btn-secondary-bd: rgba(26,18,8,0.35);

  /* Badge tokens */
  --badge-neutral-bg: #F1EDE4; --badge-neutral-fg: #5C5040;
  --badge-green-bg:   #DCFCE7; --badge-green-fg:   #15803d;
  --badge-red-bg:     #FEE2E2; --badge-red-fg:     #b91c1c;
  --badge-yellow-bg:  #FEF9C3; --badge-yellow-fg:  #854d0e;
  --badge-blue-bg:    #DBEAFE; --badge-blue-fg:    #1d4ed8;
  --progress-track:   #EDE8DC;

  --shadow-sm:  0 1px 3px rgba(26,18,8,0.06), 0 1px 2px rgba(26,18,8,0.04);
  --shadow-md:  0 4px 12px rgba(26,18,8,0.08), 0 2px 4px rgba(26,18,8,0.04);
  --shadow-gold: 0 4px 16px rgba(201,150,12,0.12);
}

/* ── Dark mode tokens ────────────────────────────────── */
[data-theme="dark"] {
  --gold:        #F5C842;
  --gold-light:  #F5D97A;
  --gold-pale:   #2A2210;
  --gold-mid:    #EF9F27;
  /* FIXED: ink must be LIGHT in dark mode so text is readable */
  --ink:         #F0EAD8;
  --ink-soft:    #D4C9B0;
  --ink-muted:   #8A7E6E;
  --surface:     #111008;
  --surface-2:   #161309;
  --white:       #1C1A12;
  --border:      rgba(245,200,66,0.12);
  --border-soft: rgba(245,200,66,0.07);
  --red:         #F87171;
  --green:       #4ADE80;

  --card-bg:          #1E1B0F;
  --card-border:      rgba(245,200,66,0.1);
  --input-bg:         #252210;
  --input-border:     rgba(245,200,66,0.18);
  --btn-primary-bg:   #F5C842;
  --btn-primary-fg:   #1A1208;
  --btn-secondary-bg: transparent;
  --btn-secondary-fg: #F0EAD8;
  --btn-secondary-bd: rgba(245,200,66,0.3);

  --badge-neutral-bg: #252210; --badge-neutral-fg: #C4B99A;
  --badge-green-bg:   #14291A; --badge-green-fg:   #4ADE80;
  --badge-red-bg:     #2D1414; --badge-red-fg:     #F87171;
  --badge-yellow-bg:  #2A2310; --badge-yellow-fg:  #F5C842;
  --badge-blue-bg:    #0F1E38; --badge-blue-fg:    #93C5FD;
  --progress-track:   #252210;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:  0 4px 12px rgba(0,0,0,0.4);
  --shadow-gold: 0 4px 16px rgba(245,200,66,0.08);

  color-scheme: dark;
}

[data-theme="dark"] body,
[data-theme="dark"] { background: var(--surface); color: var(--ink); }

/* ── Base typography ─────────────────────────────────── */
body { 
  font-family: 'DM Sans', sans-serif; 
  background: var(--surface); 
  color: var(--ink); 
  font-size: 0.9rem; 
  line-height: 1.6; 
  -webkit-font-smoothing: antialiased; }
h1,h2,h3,h4 { font-family: 'Playfair Display', serif; line-height: 1.25; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 0.4rem;
  padding: 0.6rem 1.35rem; font-size: 0.82rem; font-family: inherit;
  font-weight: 500; border-radius: 6px; border: none; cursor: pointer;
  transition: all 0.18s; letter-spacing: 0.01em; white-space: nowrap;
}
.btn-primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { opacity: 0.88; box-shadow: var(--shadow-md); transform: translateY(-1px); color: var(--btn-primary-fg); }
.btn-secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-fg);
  border: 1px solid var(--btn-secondary-bd);
}
.btn-secondary:hover { background: var(--gold-pale); border-color: var(--gold); color: var(--ink); }
.btn-gold { background: var(--gold); color: var(--surface); font-weight: 600; box-shadow: var(--shadow-sm); }
.btn-gold:hover { filter: brightness(1.08); box-shadow: var(--shadow-gold); transform: translateY(-1px); }
.btn-sm  { padding: 0.38rem 0.9rem; font-size: 0.78rem; border-radius: 5px; }
.btn-full { width: 100%; }

/* ── Inputs ──────────────────────────────────────────── */
.input {
  width: 100%; padding: 0.65rem 0.95rem;
  border: 1px solid var(--input-border);
  border-radius: 6px; font-size: 0.875rem; font-family: inherit;
  background: var(--input-bg); color: var(--ink);
  transition: border-color 0.18s, box-shadow 0.18s; outline: none;
}
.input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,150,12,0.1); }
.input::placeholder { color: var(--ink-muted); }
[data-theme="dark"] .input::placeholder { color: var(--ink-muted); }
select.input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B6455' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 2.5rem;
}
[data-theme="dark"] select.input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238A7E6E' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
}

/* ── Cards ───────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px; padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.card:hover { border-color: rgba(201,150,12,0.35); box-shadow: var(--shadow-gold); }

/* ── Badges ──────────────────────────────────────────── */
.badge { display: inline-block; padding: 0.18rem 0.65rem; border-radius: 20px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.01em; }
.badge-gold    { background: var(--gold-pale); color: var(--gold); }
.badge-green   { background: var(--badge-green-bg);  color: var(--badge-green-fg); }
.badge-blue    { background: var(--badge-blue-bg);   color: var(--badge-blue-fg); }
.badge-red     { background: var(--badge-red-bg);    color: var(--badge-red-fg); }
.badge-admin   { background: var(--badge-blue-bg);   color: var(--badge-blue-fg); }
.badge-user    { background: var(--badge-neutral-bg); color: var(--badge-neutral-fg); }

/* ── Labels ──────────────────────────────────────────── */
.label { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }

/* ── Alerts ──────────────────────────────────────────── */
.alert { padding: 0.75rem 1rem; border-radius: 8px; font-size: 0.85rem; border: 1px solid; }
.alert-error   { background: var(--badge-red-bg);   border-color: var(--badge-red-fg);   color: var(--badge-red-fg);   }
.alert-success { background: var(--badge-green-bg); border-color: var(--badge-green-fg); color: var(--badge-green-fg); }
.hidden { display: none !important; }

/* ── Sidebar layout ──────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--card-bg);
  border-right: 1px solid var(--card-border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0;
  height: 100vh; z-index: 100; transition: transform 0.3s;
  overflow-y: auto;
}
.sidebar-logo {
  padding: 1.4rem 1.5rem 1.25rem;
  border-bottom: 1px solid var(--card-border);
}
.sidebar-logo a { font-family: 'Playfair Display', serif; font-size: 1.35rem; font-weight: 900; color: var(--ink); }
.sidebar-logo span { color: var(--gold); }
.sidebar-nav { flex: 1; padding: 0.75rem; display: flex; flex-direction: column; gap: 1px; overflow-y: auto; }
.nav-link {
  display: flex; align-items: center; gap: 0.7rem; padding: 0.6rem 0.8rem;
  color: var(--ink-muted); font-size: 0.83rem; font-weight: 400;
  border-radius: 7px; transition: all 0.15s;
}
.nav-link:hover { background: var(--gold-pale); color: var(--ink); }
.nav-link.active {
  background: var(--gold-pale);
  color: var(--ink); font-weight: 600;
  border-left: 2px solid var(--gold);
  padding-left: calc(0.8rem - 2px);
}
.nav-link svg { flex-shrink: 0; opacity: 0.6; }
.nav-link.active svg, .nav-link:hover svg { opacity: 1; }
.sidebar-user { padding: 0.85rem; border-top: 1px solid var(--card-border); }
.user-info { display: flex; align-items: center; gap: 0.7rem; padding: 0.5rem; border-radius: 7px; cursor: pointer; transition: background 0.15s; }
.user-info:hover { background: var(--gold-pale); }
.user-avatar { width: 34px; height: 34px; background: var(--gold-pale); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; color: var(--gold); flex-shrink: 0; border: 1.5px solid rgba(201,150,12,0.25); }
.user-name { font-size: 0.82rem; font-weight: 600; color: var(--ink); }
.user-uni { font-size: 0.7rem; color: var(--ink-muted); margin-top: 0.05rem; }
.logout-btn { margin-top: 0.4rem; width: 100%; text-align: left; background: none; border: none; padding: 0.4rem 0.8rem; font-size: 0.78rem; color: var(--ink-muted); border-radius: 6px; cursor: pointer; font-family: inherit; transition: all 0.15s; }
.logout-btn:hover { color: var(--red); background: var(--badge-red-bg); }

.main { margin-left: 240px; padding: 2.25rem 2.5rem; min-height: 100vh; background: var(--surface); }
.page-header { margin-bottom: 2rem; }
.page-title { font-family: 'Playfair Display', serif; font-size: 1.7rem; font-weight: 700; color: var(--ink); margin-top: 0.2rem; }

/* ── Topbar (mobile only) ────────────────────────────── */
.topbar { display: none; position: fixed; top: 0; left: 0; right: 0; height: 52px; background: var(--ink); border-bottom: 1px solid rgba(201,150,12,.2); padding: 0 1.25rem; align-items: center; justify-content: space-between; z-index: 90; gap: .75rem; }
[data-theme="dark"] .topbar { background: #0D0B05; border-color: rgba(245,200,66,0.1); }
.menu-toggle { background: none; border: none; color: white; cursor: pointer; padding: 0.25rem; }

/* ── Grid helpers ────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stat-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 10px; padding: 1.25rem; text-align: center; box-shadow: var(--shadow-sm); transition: box-shadow 0.18s; }
.stat-card:hover { box-shadow: var(--shadow-gold); }
.stat-num { font-family: 'Playfair Display', serif; font-size: 2rem; font-weight: 700; color: var(--gold); display: block; }
.stat-lbl { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-muted); margin-top: 0.1rem; }

/* ── Modal ───────────────────────────────────────────── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 1rem; backdrop-filter: blur(2px); }
[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,0.72); }
.modal { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; padding: 2rem; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.2); }
[data-theme="dark"] .modal { box-shadow: 0 20px 60px rgba(0,0,0,0.6); }
.modal-title { font-family: 'Playfair Display', serif; font-size: 1.2rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--ink); }

/* ── Toast ───────────────────────────────────────────── */
.toast { position: fixed; bottom: 1.5rem; right: 1.5rem; padding: 0.7rem 1.1rem; border-radius: 8px; font-size: 0.84rem; font-weight: 500; z-index: 999; animation: slideUp 0.25s ease; box-shadow: var(--shadow-md); }
.toast-success { background: var(--badge-green-bg); border: 1px solid var(--badge-green-fg); color: var(--badge-green-fg); }
.toast-error   { background: var(--badge-red-bg);   border: 1px solid var(--badge-red-fg);   color: var(--badge-red-fg); }
@keyframes slideUp { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }

/* ── Spinner ─────────────────────────────────────────── */
.spinner { width: 20px; height: 20px; border: 2px solid var(--gold-pale); border-top-color: var(--gold); border-radius: 50%; animation: spin 0.7s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Loading skeleton ────────────────────────────────── */
.skeleton { background: linear-gradient(90deg, var(--card-bg) 25%, var(--surface-2) 50%, var(--card-bg) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 8px; }
@keyframes shimmer { 0%{background-position:200% 0} 100%{background-position:-200% 0} }

/* ── Pagination ─────────────────────────────────────── */
.pagination { display: flex; align-items: center; justify-content: center; gap: .3rem; padding: 1.5rem 0 .5rem; flex-wrap: wrap; }
.pg-btn { min-width: 34px; height: 34px; padding: 0 .55rem; border: 1px solid var(--card-border); border-radius: 6px; background: var(--card-bg); color: var(--ink-muted); font-size: .8rem; font-family: inherit; cursor: pointer; transition: all .15s; display: flex; align-items: center; justify-content: center; }
.pg-btn:hover:not(:disabled) { border-color: var(--gold); color: var(--ink); background: var(--gold-pale); }
.pg-btn.active { background: var(--gold); color: var(--surface); border-color: var(--gold); font-weight: 600; }
.pg-btn:disabled { opacity: .35; cursor: default; }
.pg-info { font-size: .75rem; color: var(--ink-muted); padding: 0 .5rem; }

/* ── Tabs ────────────────────────────────────────────── */
.tabs { display: flex; border-bottom: 1px solid var(--card-border); margin-bottom: 1.5rem; gap: 0; }
.tab { padding: 0.6rem 1.1rem; font-size: 0.83rem; font-weight: 500; color: var(--ink-muted); border-bottom: 2px solid transparent; cursor: pointer; background: none; border-top: none; border-left: none; border-right: none; font-family: inherit; transition: all 0.15s; margin-bottom: -1px; }
.tab:hover { color: var(--ink); }
.tab.active { color: var(--gold); border-bottom-color: var(--gold); font-weight: 600; }

/* ── Explorer sidebar ────────────────────────────────── */
.expl, .explorer { background: var(--card-bg) !important; border-color: var(--card-border) !important; }
.exhead { border-color: var(--card-border) !important; color: var(--ink); }
.exsearch { border-color: var(--card-border) !important; }
.exstats { border-color: var(--card-border) !important; color: var(--ink-muted); }
.exghdr, .ex-group-hdr { background: var(--surface); color: var(--ink-muted); border-color: var(--card-border); }
.exitem { border-color: rgba(201,150,12,0.06); }
.exitem:hover, .exitem.active { background: var(--gold-pale); }
.exiname { color: var(--ink); }
.eximeta { color: var(--ink-muted); }

/* ── PDF viewer / vbar ───────────────────────────────── */
.vbar { background: var(--card-bg) !important; border-color: var(--card-border) !important; }
.pdf-toolbar { background: var(--card-bg) !important; border-color: var(--card-border) !important; }
.pdf-toolbar button { background: var(--surface-2); border-color: var(--card-border); color: var(--ink); }

/* ── AI sidebar ──────────────────────────────────────── */
.ai-side, .ai-panel { background: var(--card-bg) !important; border-color: var(--card-border) !important; }

/* ── Exam type badges ────────────────────────────────── */
.exam-type-ue   { background: #EFF6FF; color: #1D4ED8; }
.exam-type-cat  { background: #DCFCE7; color: #15803D; }
.exam-type-supp { background: #FFF7ED; color: #C2410C; }
.exam-type-mock { background: #F5F3FF; color: #6D28D9; }
[data-theme="dark"] .exam-type-ue   { background: #0C2A3D !important; color: #7DD3FC !important; }
[data-theme="dark"] .exam-type-cat  { background: #14291A !important; color: #4ADE80 !important; }
[data-theme="dark"] .exam-type-supp { background: #2D1A0A !important; color: #FB923C !important; }
[data-theme="dark"] .exam-type-mock { background: #1E0A38 !important; color: #C084FC !important; }

/* ── Table ───────────────────────────────────────────── */
.tbl-wrap { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-sm); }
.tbl-toolbar { background: var(--card-bg); border-bottom: 1px solid var(--card-border); padding: 0.75rem 1rem; display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; font-size: 0.83rem; }
table th { background: var(--surface-2); color: var(--ink-muted); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; padding: 0.65rem 1rem; text-align: left; border-bottom: 1px solid var(--card-border); }
table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border-soft); color: var(--ink); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gold-pale); }

/* ── Misc components ─────────────────────────────────── */
.lang-toggle { display: flex; border: 1px solid var(--card-border); border-radius: 20px; overflow: hidden; }
.lang-btn { padding: .32rem 1.1rem; font-size: .78rem; font-family: inherit; border: none; background: transparent; color: var(--ink-muted); cursor: pointer; }
.lang-btn.active { background: var(--ink); color: var(--gold-light); font-weight: 600; }
[data-theme="dark"] .lang-btn.active { background: var(--gold); color: var(--surface); }
.del-btn { background: none; border: 1px solid var(--badge-red-fg); color: var(--badge-red-fg); border-radius: 5px; padding: .3rem .7rem; font-family: inherit; font-size: .78rem; cursor: pointer; transition: all .15s; }
.del-btn:hover { background: var(--badge-red-bg); }
.prm-btn { background: var(--surface-2); border: 1px solid var(--card-border); color: var(--ink); border-radius: 5px; padding: .3rem .7rem; font-family: inherit; font-size: .78rem; cursor: pointer; transition: all .15s; }
.prm-btn:hover { border-color: var(--gold); background: var(--gold-pale); }
.avatar-big { width: 72px; height: 72px; background: var(--gold-pale); border: 2px solid rgba(201,150,12,0.25); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; font-weight: 700; color: var(--gold); }
.sem-hdr { border-color: var(--card-border); color: var(--ink-muted); }
.prog-pill { background: var(--gold-pale); color: var(--gold); border-radius: 20px; padding: .2rem .7rem; font-size: .72rem; font-weight: 600; display: inline-block; }

/* ── Mobile ──────────────────────────────────────────── */
@media(max-width:768px){
  .sidebar { transform: translateX(-100%); box-shadow: none; }
  .sidebar.open { transform: translateX(0); box-shadow: 4px 0 24px rgba(0,0,0,.15); }
  .main { margin-left: 0; padding: 1.25rem; padding-top: 4.5rem; }
  .topbar { display: flex; }
  .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; }
  .page-title { font-size: 1.35rem; }
  .filters { grid-template-columns: 1fr !important; }
  .modal { padding: 1.25rem; border-radius: 10px; max-width: 100%; margin: .5rem; width: calc(100% - 1rem); }
  table { font-size: .78rem; }
  th, td { padding: .45rem .6rem; }
  /* Stats grid — 2 col on tablet */
  .stats-row, .stat-grid { grid-template-columns: repeat(2,1fr) !important; }
  /* Exam/note split layout — stack vertically */
  .expl { position: fixed; right:0; top:0; bottom:0; z-index:50; width:85vw !important;
    max-width:300px; transform:translateX(100%); transition:transform .25s;
    box-shadow:-4px 0 20px rgba(0,0,0,.15); }
  .expl.mopen { transform: translateX(0); }
  .expl.closed { transform: translateX(100%); }
  /* Viewer — AI panel full overlay */
  .ai-side {
    position:fixed; right:0; top:0; bottom:0; z-index:55;
    width:92vw !important; max-width:360px;
    transform:translateX(100%); transition:transform .25s;
    box-shadow:-4px 0 24px rgba(0,0,0,.2);
  }
  .ai-side.mobile-open { transform:translateX(0); }
  .ai-side.closed { transform:translateX(100%); }
  /* Internship cards — stack logo+body */
  .job-card { flex-direction:column; }
  .job-action { flex-direction:row; flex-wrap:wrap; }
  /* Profile header — stack */
  .profile-header { flex-direction:column; }
  /* Pagination — smaller buttons */
  .pg-btn { min-width:30px; height:30px; font-size:.75rem; }
}
@media(max-width:480px){
  .main { padding: .85rem; padding-top: 4rem; }
  .page-title { font-size: 1.2rem; }
  .vbar-title h2 { font-size: .8rem; }
  .vbar-btns { gap: .25rem; }
  .btn-sm { padding: .3rem .65rem; font-size:.74rem; }
  .stat-num { font-size: 1.6rem; }
  /* Stats — single column on very small screens */
  .stats-row, .stat-grid { grid-template-columns: repeat(2,1fr) !important; }
  /* Topbar search bar — hide text label on tiny screens */
  .topbar-search-label { display: none; }
  /* Modal full screen on tiny screens */
  .modal { padding: 1rem; border-radius: 8px; }
  .modal-title { font-size: 1rem; }
  /* Table — hide less important columns */
  .tbl-hide-mobile { display: none; }
}
/* Tablet landscape — reduce sidebar width, keep it visible */
@media(min-width:769px) and (max-width:1024px){
  .sidebar { width: 210px; }
  .main { margin-left: 210px; padding: 1.75rem 1.75rem; }
  .grid-3 { grid-template-columns: repeat(2,1fr); }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
}

/* ══════════════════════════════════════════════════════
   DARK MODE OVERRIDES — comprehensive fixes
   ══════════════════════════════════════════════════════ */

/* Inputs & selects */
[data-theme="dark"] .input {
  color: var(--ink);
  background: var(--input-bg);
  border-color: var(--input-border);
}

/* Modals */
[data-theme="dark"] .modal {
  background: var(--card-bg);
  color: var(--ink);
  border-color: var(--card-border);
}
[data-theme="dark"] .modal-title { color: var(--ink); }

/* Sidebar */
[data-theme="dark"] .sidebar {
  background: var(--card-bg);
  border-right-color: var(--border);
}
[data-theme="dark"] .sidebar-logo a { color: var(--ink); }
[data-theme="dark"] .nav-link { color: var(--ink-muted); }
[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active { background: var(--gold-pale); color: var(--ink); }
[data-theme="dark"] .sidebar-user { border-top-color: var(--border); }
[data-theme="dark"] .user-name { color: var(--ink); }
[data-theme="dark"] .logout-btn { color: var(--ink-muted); }

/* Page content */
[data-theme="dark"] .main { background: var(--surface); color: var(--ink); }
[data-theme="dark"] .page-title { color: var(--ink); }
[data-theme="dark"] label { color: var(--ink); }
[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4 { color: var(--ink); }

/* Cards */
[data-theme="dark"] .stat-card {
  background: var(--card-bg);
  border-color: var(--card-border);
}
[data-theme="dark"] .ncard {
  background: var(--card-bg);
  border-color: var(--card-border);
  color: var(--ink);
}
[data-theme="dark"] .ncard:hover { border-color: var(--gold); }
[data-theme="dark"] .nfoot { border-top-color: var(--border); }
[data-theme="dark"] .ntitle { color: var(--ink); }
[data-theme="dark"] .ndesc,
[data-theme="dark"] .nmeta,
[data-theme="dark"] .nupl { color: var(--ink-muted); }

/* File explorer panel */
[data-theme="dark"] .expl {
  background: var(--card-bg);
  border-left-color: var(--border);
}
[data-theme="dark"] .exhead { border-bottom-color: var(--border); color: var(--ink); }
[data-theme="dark"] .exhead button { color: var(--ink-muted); }
[data-theme="dark"] .exsearch { border-bottom-color: var(--border); }
[data-theme="dark"] .exsearch input {
  background: var(--input-bg);
  border-color: var(--input-border);
  color: var(--ink);
}
[data-theme="dark"] .exstats { border-bottom-color: var(--border); }
[data-theme="dark"] .exghdr {
  background: var(--surface-2);
  color: var(--ink-muted);
  border-bottom-color: var(--border);
}
[data-theme="dark"] .exitem { border-bottom-color: rgba(245,200,66,0.06); }
[data-theme="dark"] .exitem:hover,
[data-theme="dark"] .exitem.active { background: var(--gold-pale); }
[data-theme="dark"] .exiname { color: var(--ink); }

/* Alerts */
[data-theme="dark"] .alert-error {
  background: var(--badge-red-bg);
  color: var(--badge-red-fg);
  border-color: rgba(248,113,113,0.25);
}
[data-theme="dark"] .alert-success {
  background: var(--badge-green-bg);
  color: var(--badge-green-fg);
}

/* Pagination */
[data-theme="dark"] .pg-btn {
  background: var(--card-bg);
  border-color: var(--border);
  color: var(--ink);
}
[data-theme="dark"] .pg-btn.active {
  background: var(--gold);
  color: var(--surface);
  border-color: var(--gold);
}
[data-theme="dark"] .pg-btn:hover:not(.active) {
  background: var(--gold-pale);
  border-color: var(--gold);
}

/* Tables */
[data-theme="dark"] table { color: var(--ink); }
[data-theme="dark"] th {
  background: var(--surface-2);
  color: var(--ink-muted);
  border-bottom-color: var(--border);
}
[data-theme="dark"] td { border-bottom-color: var(--border); }
[data-theme="dark"] tr:hover td { background: var(--gold-pale); }

/* Note-viewer & exam-viewer AI bubble */
[data-theme="dark"] .msg-ai .bubble {
  background: #252210;
  color: var(--ink);
}
[data-theme="dark"] .typing { background: #252210; }
[data-theme="dark"] .ai-status.reading {
  background: #2A2310;
  color: #F5C842;
}

/* Toast */
[data-theme="dark"] .toast {
  background: var(--card-bg);
  color: var(--ink);
  border-color: var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
}

/* Misc utility text */
[data-theme="dark"] .label { color: var(--gold); }
[data-theme="dark"] small,
[data-theme="dark"] .hint { color: var(--ink-muted); }