/* IMMerit — College Merit & Demerit System */

/* ── DARK theme (default) ── */
:root,
[data-theme="dark"] {
  --bg:           #0f0f13;
  --bg2:          #16161d;
  --bg3:          #1e1e28;
  --border:       #2a2a38;
  --border-light: #333345;
  --text:         #e8e8f0;
  --text-muted:   #7878a0;
  --text-dim:     #4a4a68;
  --accent:       #7c6af5;
  --accent-light: #9b8fff;
  --accent-dim:   #2a2450;
  --merit:        #22d3a5;
  --merit-dim:    #0d3b2e;
  --demerit:      #f05a7e;
  --demerit-dim:  #3b0d1e;
  --gold:         #f0b429;
  --gold-dim:     #3b2a0d;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
}

/* ── LIGHT theme ── */
[data-theme="light"] {
  --bg:           #f0f0f5;
  --bg2:          #ffffff;
  --bg3:          #e8e8f0;
  --border:       #d0d0e0;
  --border-light: #c0c0d8;
  --text:         #18182e;
  --text-muted:   #5a5a80;
  --text-dim:     #9898b8;
  --accent:       #6c5ce7;
  --accent-light: #8075ea;
  --accent-dim:   #ebe8ff;
  --merit:        #0ea57a;
  --merit-dim:    #d6f5ed;
  --demerit:      #e03060;
  --demerit-dim:  #fde8ee;
  --gold:         #c98a00;
  --gold-dim:     #fef3cc;
  --shadow:       0 4px 24px rgba(0,0,0,0.10);
}

*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }

body {
  background:  var(--bg);
  color:       var(--text);
  font-family: 'DM Sans', sans-serif;
  font-size:   14px;
  line-height: 1.6;
  display:     flex;
  min-height:  100vh;
  overflow-x:  hidden;
  transition:  background 0.25s ease, color 0.25s ease;
}

/* ── SIDEBAR ── */
.sidebar {
  width:240px; background:var(--bg2); border-right:1px solid var(--border);
  display:flex; flex-direction:column; position:fixed; top:0; left:0;
  height:100vh; overflow-y:auto; z-index:100;
  transition:transform 0.2s ease, background 0.25s ease, border-color 0.25s ease;
}
.sidebar-brand {
  display:flex; align-items:center; gap:10px;
  padding:14px 16px 12px; border-bottom:1px solid var(--border);
  transition:border-color 0.25s ease;
  overflow:hidden;
}
.brand-logo { width:36px !important; height:36px !important; max-width:36px !important; max-height:36px !important; object-fit:contain; flex-shrink:0; display:block; }
.brand-name { font-family:'Syne',sans-serif; font-weight:700; font-size:15px; color:var(--text); transition:color 0.25s ease; }
.brand-sub  { font-size:11px; color:var(--text-muted); transition:color 0.25s ease; }
.sidebar-nav { flex:1; padding:16px 12px; }
.nav-section-label { font-size:10px; font-weight:600; letter-spacing:0.12em; text-transform:uppercase; color:var(--text-dim); padding:12px 8px 6px; transition:color 0.25s ease; }
.nav-item { display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:8px; color:var(--text-muted); text-decoration:none; font-size:13.5px; transition:all 0.2s ease; cursor:pointer; margin-bottom:2px; }
.nav-item:hover  { background:var(--bg3); color:var(--text); }
.nav-item.active { background:var(--accent-dim); color:var(--accent-light); font-weight:500; }
.nav-icon { font-size:14px; width:16px; text-align:center; }
.sidebar-footer { padding:16px 20px; border-top:1px solid var(--border); transition:border-color 0.25s ease; }

/* ── TOPBAR ── */
.main-content { margin-left:240px; flex:1; display:flex; flex-direction:column; min-height:100vh; }
.topbar {
  height:60px; background:var(--bg2); border-bottom:1px solid var(--border);
  display:flex; align-items:center; padding:0 24px; gap:16px;
  position:sticky; top:0; z-index:50;
  transition:background 0.25s ease, border-color 0.25s ease;
}
.menu-toggle { background:none; border:none; color:var(--text-muted); font-size:18px; cursor:pointer; display:none; padding:4px 8px; }
.topbar-title { font-family:'Syne',sans-serif; font-weight:700; font-size:16px; color:var(--text); flex:1; transition:color 0.25s ease; }
.topbar-actions { display:flex; align-items:center; gap:8px; }
.time-display { font-size:12px; color:var(--text-muted); font-variant-numeric:tabular-nums; transition:color 0.25s ease; }

/* ── CTRL BUTTONS (theme/lang) ── */
.ctrl-btn {
  display:inline-flex; align-items:center; gap:5px;
  padding:5px 12px; border-radius:20px; font-size:11.5px; font-weight:600;
  font-family:'DM Sans',sans-serif; cursor:pointer;
  border:1px solid var(--border-light);
  background:var(--bg3); color:var(--text-muted);
  transition:all 0.2s ease;
  white-space:nowrap; line-height:1;
}
.ctrl-btn:hover { border-color:var(--accent); color:var(--accent); background:var(--accent-dim); }
.ctrl-icon { font-size:13px; line-height:1; }

/* ── PAGES ── */
.page-container { padding:28px; }
.page-header { margin-bottom:28px; }
.page-header h1 { font-family:'Syne',sans-serif; font-size:26px; font-weight:800; color:var(--text); line-height:1.2; transition:color 0.25s ease; }
.page-header p  { color:var(--text-muted); font-size:13.5px; margin-top:4px; transition:color 0.25s ease; }

/* ── CARDS ── */
.card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px 24px; margin-bottom:20px; transition:background 0.25s ease, border-color 0.25s ease; }
.card-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:16px; gap:12px; }
.card-header h2 { font-family:'Syne',sans-serif; font-size:14px; font-weight:700; text-transform:uppercase; letter-spacing:0.06em; color:var(--text-muted); transition:color 0.25s ease; }
.card-desc { color:var(--text-muted); font-size:13px; margin-bottom:16px; }

/* ── STATS ── */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--bg2); border:1px solid var(--border); border-radius:12px; padding:20px; position:relative; overflow:hidden; transition:background 0.25s ease, border-color 0.25s ease; }
.stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; }
.stat-students::before { background:var(--accent); }
.stat-merits::before   { background:var(--merit); }
.stat-demerits::before { background:var(--demerit); }
.stat-logs::before     { background:var(--gold); }
.stat-label  { font-size:11px; font-weight:600; letter-spacing:0.08em; text-transform:uppercase; color:var(--text-muted); margin-bottom:8px; transition:color 0.25s ease; }
.stat-value  { font-family:'Syne',sans-serif; font-size:36px; font-weight:800; color:var(--text); line-height:1; transition:color 0.25s ease; }
.stat-change { font-size:11px; color:var(--text-dim); margin-top:6px; transition:color 0.25s ease; }
.dashboard-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }

/* ── ACTIVITY FEED ── */
.activity-feed { max-height:340px; overflow-y:auto; }
.activity-item { display:flex; align-items:flex-start; gap:12px; padding:10px 0; border-bottom:1px solid var(--border); transition:border-color 0.25s ease; }
.activity-item:last-child { border-bottom:none; }
.activity-badge { width:28px; height:28px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:700; flex-shrink:0; }
.activity-badge.merit   { background:var(--merit-dim);   color:var(--merit); }
.activity-badge.demerit { background:var(--demerit-dim); color:var(--demerit); }
.activity-info   { flex:1; }
.activity-name   { font-size:13px; font-weight:500; color:var(--text); transition:color 0.25s ease; }
.activity-reason { font-size:12px; color:var(--text-muted); transition:color 0.25s ease; }
.activity-time   { font-size:11px; color:var(--text-dim); white-space:nowrap; transition:color 0.25s ease; }

/* ── TOP STUDENTS ── */
.top-student-item { display:flex; align-items:center; gap:12px; padding:8px 0; border-bottom:1px solid var(--border); transition:border-color 0.25s ease; }
.top-student-item:last-child { border-bottom:none; }
.top-rank { font-family:'Syne',sans-serif; font-size:18px; font-weight:800; color:var(--text-dim); width:28px; transition:color 0.25s ease; }
.top-rank.gold   { color:var(--gold); }
.top-rank.silver { color:var(--text-muted); }
.top-rank.bronze { color:#c96a3e; }
.top-info  { flex:1; }
.top-name  { font-size:13px; font-weight:500; color:var(--text); transition:color 0.25s ease; }
.top-sub   { font-size:11px; color:var(--text-muted); transition:color 0.25s ease; }
.top-score { font-family:'Syne',sans-serif; font-size:16px; font-weight:700; color:var(--merit); }

/* ── FORMS ── */
.form-row { display:flex; flex-wrap:wrap; gap:16px; align-items:flex-end; }
.form-group { display:flex; flex-direction:column; gap:6px; flex:1; min-width:160px; }
.form-group-btn { flex:0; min-width:auto; }
.form-group label { font-size:12px; font-weight:600; letter-spacing:0.06em; text-transform:uppercase; color:var(--text-muted); transition:color 0.25s ease; }
input[type=text], input[type=number], input[type=email], input[type=password], select, textarea {
  background:var(--bg3); border:1px solid var(--border-light); border-radius:8px;
  color:var(--text); padding:9px 12px; font-family:'DM Sans',sans-serif; font-size:13.5px;
  outline:none; width:100%;
  transition:border-color 0.2s ease, background 0.25s ease, color 0.25s ease;
}
input:focus, select:focus, textarea:focus { border-color:var(--accent); }
input::placeholder { color:var(--text-dim); }
select option { background:var(--bg2); color:var(--text); }
.search-input {
  background:var(--bg3); border:1px solid var(--border-light); border-radius:8px;
  color:var(--text); padding:8px 12px; font-family:'DM Sans',sans-serif; font-size:13px;
  outline:none; width:220px;
  transition:border-color 0.2s ease, background 0.25s ease, color 0.25s ease;
}
.search-input:focus { border-color:var(--accent); }
.input-with-btn { display:flex; gap:8px; }
.input-with-btn input { flex:1; }

/* ── BUTTONS ── */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:9px 18px; border-radius:8px; font-family:'DM Sans',sans-serif; font-size:13px; font-weight:500; cursor:pointer; border:none; outline:none; transition:all 0.2s ease; text-decoration:none; white-space:nowrap; }
.btn-primary   { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-light); }
.btn-secondary { background:var(--bg3); color:var(--text); border:1px solid var(--border-light); transition:all 0.2s ease, background 0.25s ease; }
.btn-secondary:hover { border-color:var(--accent); color:var(--accent-light); }
.btn-danger { background:var(--demerit-dim); color:var(--demerit); border:1px solid var(--demerit); }
.btn-danger:hover { background:var(--demerit); color:#fff; }
.btn-sm   { padding:6px 12px; font-size:12px; }
.btn-full { width:100%; }
.btn-merit { background:var(--merit-dim); color:var(--merit); }
.btn-merit:hover { background:var(--merit); color:var(--bg); }

/* ── TABLE ── */
.table-wrapper { overflow-x:auto; }
.data-table { width:100%; border-collapse:collapse; font-size:13px; }
.data-table th { text-align:left; padding:10px 14px; font-size:10px; font-weight:700; letter-spacing:0.1em; text-transform:uppercase; color:var(--text-muted); border-bottom:1px solid var(--border); white-space:nowrap; transition:color 0.25s ease, border-color 0.25s ease; }
.data-table td { padding:10px 14px; border-bottom:1px solid var(--border); color:var(--text); vertical-align:middle; transition:color 0.25s ease, border-color 0.25s ease, background 0.25s ease; }
.data-table tr:hover td { background:var(--bg3); }
.data-table tr:last-child td { border-bottom:none; }
.empty-row { text-align:center; color:var(--text-dim); padding:32px; }
.badge { display:inline-flex; align-items:center; justify-content:center; padding:3px 8px; border-radius:20px; font-size:11px; font-weight:600; }
.badge-merit   { background:var(--merit-dim);   color:var(--merit); }
.badge-demerit { background:var(--demerit-dim); color:var(--demerit); }
.score-positive { color:var(--merit);    font-weight:600; }
.score-negative { color:var(--demerit);  font-weight:600; }
.score-neutral  { color:var(--text-muted); }

/* ── TOGGLE GROUP ── */
.toggle-group { display:flex; border:1px solid var(--border-light); border-radius:8px; overflow:hidden; }
.toggle-btn { flex:1; padding:8px 16px; background:transparent; border:none; color:var(--text-muted); font-family:'DM Sans',sans-serif; font-size:13px; font-weight:500; cursor:pointer; transition:all 0.2s ease; }
.toggle-btn.active { background:var(--accent); color:#fff; }
.toggle-btn:hover:not(.active) { background:var(--bg3); color:var(--text); }

/* ── QR ── */
.qr-layout { display:grid; grid-template-columns:280px 1fr; gap:20px; }
.qr-student-list { max-height:400px; overflow-y:auto; }
.qr-student-item { padding:10px 12px; border-radius:8px; cursor:pointer; transition:all 0.2s ease; border:1px solid transparent; }
.qr-student-item:hover { background:var(--bg3); }
.qr-student-item.selected { background:var(--accent-dim); border-color:var(--accent); }
.qr-student-item .qs-name { font-size:13px; font-weight:500; color:var(--text); }
.qr-student-item .qs-id   { font-size:11px; color:var(--text-muted); }
.qr-display-area { display:flex; flex-direction:column; align-items:center; justify-content:center; min-height:300px; padding:20px; }
.qr-placeholder { text-align:center; color:var(--text-dim); }
.qr-placeholder-icon { font-size:64px; margin-bottom:12px; opacity:0.3; }
.qr-card { background:#fff; border-radius:12px; padding:20px; text-align:center; box-shadow:var(--shadow); }
.qr-card-name { font-family:'Syne',sans-serif; font-size:16px; font-weight:800; color:#1a1a2e; margin-top:12px; }
.qr-card-id   { font-size:12px; color:#666; }
.qr-card-school { font-size:11px; color:#999; margin-top:4px; }
.qr-actions   { display:flex; gap:10px; margin-top:16px; }
.qr-instruction { font-size:12px; color:var(--text-muted); margin-top:10px; }

/* ── SCAN ── */
.scan-layout { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
#qr-reader { width:100% !important; border-radius:8px; overflow:hidden; background:var(--bg3); }
#qr-reader video { width:100% !important; border-radius:8px; }
.scan-status { padding:12px; text-align:center; }
.scan-idle    { color:var(--text-muted); font-size:13px; }
.scan-success { color:var(--merit);   font-size:13px; font-weight:500; }
.scan-error   { color:var(--demerit); font-size:13px; }
.scan-controls { display:flex; gap:10px; margin-top:12px; }
.student-info-bar { background:var(--bg3); border:1px solid var(--border-light); border-radius:8px; padding:12px 16px; margin-bottom:16px; transition:background 0.25s ease; }

/* ── REPORTS ── */
.report-layout { display:grid; grid-template-columns:280px 1fr; gap:20px; }
.report-student-list { max-height:500px; overflow-y:auto; }
.report-student-item { padding:10px 12px; border-radius:8px; cursor:pointer; transition:all 0.2s ease; border:1px solid transparent; }
.report-student-item:hover { background:var(--bg3); }
.report-student-item.selected { background:var(--accent-dim); border-color:var(--accent); }
.report-placeholder { text-align:center; color:var(--text-dim); padding:60px 20px; }
.report-student-header { display:flex; align-items:center; gap:20px; padding-bottom:20px; border-bottom:1px solid var(--border); margin-bottom:20px; }
.report-avatar { width:64px; height:64px; border-radius:50%; background:var(--accent-dim); display:flex; align-items:center; justify-content:center; font-family:'Syne',sans-serif; font-size:24px; font-weight:800; color:var(--accent-light); flex-shrink:0; }
.report-student-name { font-family:'Syne',sans-serif; font-size:22px; font-weight:800; color:var(--text); }
.report-student-meta { font-size:12px; color:var(--text-muted); margin-top:4px; }
.report-summary { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-bottom:20px; }
.report-sum-card { background:var(--bg3); border-radius:8px; padding:14px; text-align:center; transition:background 0.25s ease; }
.report-sum-label { font-size:10px; text-transform:uppercase; letter-spacing:0.08em; color:var(--text-muted); margin-bottom:6px; }
.report-sum-value { font-family:'Syne',sans-serif; font-size:28px; font-weight:800; }
.report-actions { display:flex; gap:10px; margin-bottom:20px; flex-wrap:wrap; }

/* ── MODAL ── */
.modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,0.7); display:flex; align-items:center; justify-content:center; z-index:1000; backdrop-filter:blur(4px); }
.modal-box { background:var(--bg2); border:1px solid var(--border); border-radius:12px; width:90%; max-width:600px; max-height:80vh; overflow-y:auto; box-shadow:var(--shadow); transition:background 0.25s ease, border-color 0.25s ease; }
.modal-header { display:flex; align-items:center; justify-content:space-between; padding:20px 24px 16px; border-bottom:1px solid var(--border); }
.modal-header h3 { font-family:'Syne',sans-serif; font-size:16px; font-weight:700; }
.modal-close { background:none; border:none; color:var(--text-muted); font-size:18px; cursor:pointer; }
.modal-close:hover { color:var(--text); }
#modalBody { padding:20px 24px; }

/* ── TOAST ── */
.toast { position:fixed; bottom:24px; right:24px; background:var(--bg2); border:1px solid var(--border); border-radius:8px; padding:12px 20px; font-size:13px; color:var(--text); box-shadow:var(--shadow); transform:translateY(80px); opacity:0; transition:all 0.3s ease; z-index:2000; max-width:320px; }
.toast.show    { transform:translateY(0); opacity:1; }
.toast.success { border-color:var(--merit);   color:var(--merit); }
.toast.error   { border-color:var(--demerit); color:var(--demerit); }
.toast.info    { border-color:var(--accent);  color:var(--accent-light); }

/* ── USER CHIP ── */
.user-chip { display:flex; align-items:center; gap:10px; }
.user-chip-avatar { width:32px; height:32px; border-radius:50%; background:var(--accent-dim); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:13px; color:var(--accent-light); flex-shrink:0; }
.user-chip-name { font-size:12px; font-weight:500; color:var(--text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:110px; transition:color 0.25s ease; }
.user-chip-role { font-size:10px; color:var(--text-muted); text-transform:capitalize; }
.logout-btn { color:var(--text-dim); font-size:16px; text-decoration:none; padding:4px; border-radius:4px; flex-shrink:0; }
.logout-btn:hover { color:var(--demerit); }

/* ── MISC ── */
.empty-state { text-align:center; color:var(--text-dim); font-size:13px; padding:24px 12px; }
.student-preview-card { background:var(--bg3); border:1px solid var(--border-light); border-radius:8px; padding:14px 16px; margin-bottom:16px; }
.student-preview-card .sp-name { font-size:15px; font-weight:600; color:var(--text); }
.student-preview-card .sp-id   { font-size:12px; color:var(--text-muted); }
.sp-merit   { font-size:13px; color:var(--merit);   font-weight:500; }
.sp-demerit { font-size:13px; color:var(--demerit); font-weight:500; }

/* ── EXPORT ── */
.export-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.export-card { text-align:center; padding:32px 24px; }
.export-card-icon { font-size:40px; margin-bottom:12px; }
.export-card h3 { font-family:'Syne',sans-serif; font-size:16px; font-weight:700; margin-bottom:8px; }
.export-card p  { font-size:13px; color:var(--text-muted); margin-bottom:20px; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--border-light); }

/* ── RESPONSIVE ── */
@media (max-width:1100px) {
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .dashboard-grid { grid-template-columns:1fr; }
  .scan-layout { grid-template-columns:1fr; }
  .qr-layout { grid-template-columns:1fr; }
  .report-layout { grid-template-columns:1fr; }
}
@media (max-width:900px) {
  .sidebar { transform:translateX(-100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0; }
  .menu-toggle { display:block; }
  .export-grid { grid-template-columns:1fr; }
}
@media (max-width:600px) {
  .page-container { padding:16px; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .form-row { flex-direction:column; }
}
@media print {
  .sidebar, .topbar, .report-actions, .btn, .qr-actions { display:none !important; }
  .main-content { margin-left:0; }
  body { background:#fff; color:#000; }
}
@keyframes fadeIn { from { opacity:0; transform:translateY(8px); } to { opacity:1; transform:translateY(0); } }