/* =====================================================================
   Soft UI (Neumorphism) design system — Event & Attendance Management
   ===================================================================== */

:root {
  --bg: #e7ecf3;
  --surface: #e7ecf3;
  --text: #2f3a4b;
  --muted: #6a768a;
  --faint: #95a0b2;
  --light: #ffffff;
  --dark: #bdc5d1;
  --accent: #5b5bd6;
  --accent-2: #7c6cf0;
  --accent-ink: #ffffff;
  --success: #1f9d6b;
  --success-soft: #d5f0e4;
  --danger: #d04a4a;
  --danger-soft: #f7dcdc;
  --warning: #b9770e;
  --warning-soft: #f8ebcf;
  --info: #2f7fc1;
  --info-soft: #d7e8f6;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 8px 8px 18px var(--dark), -8px -8px 18px var(--light);
  --shadow-sm: 4px 4px 9px var(--dark), -4px -4px 9px var(--light);
  --shadow-xs: 2px 2px 5px var(--dark), -2px -2px 5px var(--light);
  --inset: inset 4px 4px 9px var(--dark), inset -4px -4px 9px var(--light);
  --inset-sm: inset 2px 2px 5px var(--dark), inset -2px -2px 5px var(--light);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --sidebar: 260px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #262a33; --surface: #262a33; --text: #e3e7ee; --muted: #a5aebd; --faint: #7d8696;
    --light: #30353f; --dark: #1c1f26; --accent: #8b87ff; --accent-2: #a093ff;
    --success: #4cc895; --success-soft: #24423a; --danger: #ff7b7b; --danger-soft: #4a2c31;
    --warning: #f0b955; --warning-soft: #4a3d26; --info: #6fb1ef; --info-soft: #273a4d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #262a33; --surface: #262a33; --text: #e3e7ee; --muted: #a5aebd; --faint: #7d8696;
  --light: #30353f; --dark: #1c1f26; --accent: #8b87ff; --accent-2: #a093ff;
  --success: #4cc895; --success-soft: #24423a; --danger: #ff7b7b; --danger-soft: #4a2c31;
  --warning: #f0b955; --warning-soft: #4a3d26; --info: #6fb1ef; --info-soft: #273a4d;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text); font: 15px/1.55 var(--font);
  -webkit-font-smoothing: antialiased; min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { margin: 0 0 .5rem; line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.25rem; } h3 { font-size: 1.05rem; } h4 { font-size: .95rem; }
p { margin: 0 0 .75rem; }
small, .small { font-size: .82rem; }
.muted { color: var(--muted); } .faint { color: var(--faint); }
.mono { font-family: var(--mono); font-size: .85em; }
.nowrap { white-space: nowrap; }
.text-right { text-align: right; } .text-center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
hr { border: 0; height: 2px; margin: 1.25rem 0; border-radius: 2px; box-shadow: var(--inset-sm); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ---------- Layout ---------- */
.app { display: grid; grid-template-columns: var(--sidebar) 1fr; min-height: 100vh; }
.sidebar {
  position: sticky; top: 0; height: 100vh; overflow-y: auto; padding: 22px 16px;
  display: flex; flex-direction: column; gap: 6px; z-index: 30; background: var(--bg);
}
.brand { display: flex; align-items: center; gap: 12px; padding: 6px 10px 18px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; font-size: 1.25rem;
  color: var(--accent); box-shadow: var(--shadow-sm);
}
.brand strong { display: block; font-size: 1rem; } .brand span { font-size: .75rem; color: var(--muted); }
.nav-section { margin: 14px 12px 4px; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--faint); font-weight: 700; }
.nav-link {
  display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--muted); font-weight: 600; transition: box-shadow .2s, color .2s;
}
.nav-link i { font-size: 1.05rem; width: 20px; text-align: center; }
.nav-link:hover { color: var(--text); text-decoration: none; box-shadow: var(--shadow-xs); }
.nav-link.active { color: var(--accent); box-shadow: var(--inset-sm); }
.sidebar-foot { margin-top: auto; padding-top: 16px; }

.main { min-width: 0; padding: 22px 32px 48px; }
.topbar { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; flex-wrap: wrap; }
.topbar .title { flex: 1; min-width: 200px; }
.topbar h1 { margin: 0; }
.crumbs { font-size: .8rem; color: var(--muted); margin-bottom: 2px; }
.crumbs a { color: var(--muted); }
.menu-btn { display: none; }
.user-chip { display: flex; align-items: center; gap: 10px; padding: 6px 8px 6px 6px; border-radius: 999px; box-shadow: var(--shadow-xs); }
.avatar { width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .85rem; color: var(--accent); box-shadow: var(--inset-sm); }
.user-chip .meta { line-height: 1.15; font-size: .8rem; } .user-chip .meta strong { display: block; font-size: .85rem; }

.backdrop { display: none; }
@media (max-width: 980px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; inset: 0 auto 0 0; width: 280px; transform: translateX(-105%); transition: transform .25s; box-shadow: var(--shadow); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .backdrop { display: block; position: fixed; inset: 0; z-index: 20; background: rgba(0,0,0,.18); }
  .menu-btn { display: inline-flex; }
  .main { padding: 16px 16px 40px; }
  .user-chip .meta { display: none; }
}

/* ---------- Surfaces ---------- */
.card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; min-width: 0; }
.card + .card { margin-top: 22px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.card-head h2, .card-head h3 { margin: 0; }
.inset { border-radius: var(--radius-sm); box-shadow: var(--inset); padding: 16px; }
.flat { border-radius: var(--radius-sm); box-shadow: var(--shadow-xs); padding: 14px; }

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-sidebar { grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); }
@media (max-width: 1200px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) { .grid-2, .grid-3, .grid-sidebar { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .grid-4 { grid-template-columns: 1fr; } }
.stack > * + * { margin-top: 22px; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.spacer { flex: 1; }
.mt { margin-top: 22px; } .mt-s { margin-top: 12px; } .mb { margin-bottom: 22px; } .mb-s { margin-bottom: 12px; }

/* ---------- Stats ---------- */
.stat { display: flex; gap: 16px; align-items: center; }
.stat-icon { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 1.35rem; box-shadow: var(--inset-sm); color: var(--accent); flex: none; }
.stat-icon.success { color: var(--success); } .stat-icon.danger { color: var(--danger); } .stat-icon.warning { color: var(--warning); } .stat-icon.info { color: var(--info); }
.stat-value { font-size: 1.6rem; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
.stat-label { color: var(--muted); font-size: .82rem; font-weight: 600; }

.progress { height: 12px; border-radius: 999px; box-shadow: var(--inset-sm); overflow: hidden; padding: 2px; }
.progress > span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); min-width: 4px; }
.progress.success > span { background: var(--success); }
.ring { --p: 0; width: 120px; height: 120px; border-radius: 50%; display: grid; place-items: center; box-shadow: var(--shadow-sm);
  background: radial-gradient(closest-side, var(--surface) 78%, transparent 79% 100%), conic-gradient(var(--accent) calc(var(--p) * 1%), var(--dark) 0); }
.ring strong { font-size: 1.4rem; }

/* bar list (reports) */
.bars { display: grid; gap: 12px; }
.bar-row { display: grid; grid-template-columns: minmax(90px, 200px) 1fr auto; gap: 12px; align-items: center; font-size: .88rem; }
.bar-row .label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 18px; border: 0;
  border-radius: var(--radius-sm); background: var(--surface); color: var(--text); font: 600 .9rem/1.2 var(--font);
  box-shadow: var(--shadow-sm); cursor: pointer; transition: box-shadow .15s, transform .15s, color .15s; white-space: nowrap;
}
.btn:hover { text-decoration: none; color: var(--accent); }
.btn:active, .btn.pressed { box-shadow: var(--inset-sm); transform: translateY(1px); }
.btn:disabled, .btn.disabled { opacity: .55; cursor: not-allowed; pointer-events: none; }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink); box-shadow: var(--shadow-sm); }
.btn-primary:hover { color: var(--accent-ink); filter: brightness(1.05); }
.btn-success { color: var(--success); } .btn-danger { color: var(--danger); } .btn-warning { color: var(--warning); }
.btn-sm { padding: 7px 12px; font-size: .8rem; border-radius: var(--radius-xs); }
.btn-icon { width: 38px; height: 38px; padding: 0; border-radius: 12px; }
.btn-icon.btn-sm { width: 32px; height: 32px; }
.btn-block { width: 100%; }
.btn-group { display: inline-flex; gap: 8px; flex-wrap: wrap; }
form.inline { display: inline; }

/* ---------- Forms ---------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field + .field { margin-top: 16px; }
.form-grid { display: grid; gap: 16px 22px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .full { grid-column: 1 / -1; }
.form-grid .field + .field { margin-top: 0; }
@media (max-width: 720px) { .form-grid { grid-template-columns: 1fr; } }
label, .label { font-size: .82rem; font-weight: 700; color: var(--muted); }
.hint { font-size: .78rem; color: var(--faint); }
.input, .select, .textarea {
  width: 100%; border: 0; border-radius: var(--radius-sm); background: var(--surface); color: var(--text);
  padding: 11px 14px; font: 500 .92rem/1.4 var(--font); box-shadow: var(--inset-sm); transition: box-shadow .2s;
}
.input:focus, .select:focus, .textarea:focus { outline: none; box-shadow: var(--inset), 0 0 0 2px var(--accent); }
.textarea { min-height: 96px; resize: vertical; }
.select { appearance: none; padding-right: 36px; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.input-sm { padding: 7px 11px; font-size: .84rem; }
.is-invalid { box-shadow: var(--inset-sm), 0 0 0 2px var(--danger) !important; }
.error { color: var(--danger); font-size: .8rem; font-weight: 600; }
input[type="file"].input { padding: 9px; }
input[type="color"].input { padding: 4px; height: 44px; }

.switch { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--text); }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch .track { width: 46px; height: 26px; border-radius: 999px; box-shadow: var(--inset-sm); position: relative; flex: none; transition: background .2s; }
.switch .track::after { content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; border-radius: 50%; background: var(--surface); box-shadow: var(--shadow-xs); transition: transform .2s, background .2s; }
.switch input:checked + .track { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.switch input:checked + .track::after { transform: translateX(20px); background: #fff; }
.switch input:focus-visible + .track { outline: 2px solid var(--accent); outline-offset: 3px; }
.switches { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

.check { display: inline-flex; align-items: center; gap: 8px; font-size: .88rem; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

.filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.filters .field { min-width: 150px; flex: 1 1 150px; }
.filters .field + .field { margin-top: 0; }
.filters .actions { display: flex; gap: 8px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); box-shadow: var(--inset-sm); padding: 6px; }
table.table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .88rem; }
.table th { text-align: left; font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); font-weight: 700; padding: 10px 12px; white-space: nowrap; }
.table td { padding: 11px 12px; border-top: 1px solid color-mix(in srgb, var(--dark) 55%, transparent); vertical-align: middle; }
.table tbody tr:hover td { background: color-mix(in srgb, var(--light) 35%, transparent); }
.table .actions { text-align: right; white-space: nowrap; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }
.empty i { font-size: 2rem; display: block; margin-bottom: 8px; color: var(--faint); }

/* ---------- Badges & alerts ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; font-size: .74rem; font-weight: 700; box-shadow: var(--shadow-xs); white-space: nowrap; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.badge.plain::before { display: none; }
.badge-success { color: var(--success); } .badge-danger { color: var(--danger); } .badge-warning { color: var(--warning); }
.badge-info { color: var(--info); } .badge-muted { color: var(--faint); } .badge-accent { color: var(--accent); }
.chip { display: inline-block; padding: 3px 9px; margin: 2px 4px 2px 0; border-radius: 8px; font-size: .76rem; font-weight: 600; box-shadow: var(--inset-sm); }

.alert { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); margin-bottom: 22px; font-weight: 500; }
.alert i { font-size: 1.15rem; margin-top: 1px; }
.alert ul { margin: 4px 0 0; padding-left: 18px; }
.alert-success { color: var(--success); } .alert-success i { color: var(--success); }
.alert-danger { color: var(--danger); } .alert-warning { color: var(--warning); } .alert-info { color: var(--info); }
.alert > div { color: var(--text); }

/* ---------- Tabs (event sub navigation) ---------- */
.tabs { display: flex; gap: 8px; padding: 8px; border-radius: var(--radius); box-shadow: var(--inset-sm); overflow-x: auto; margin-bottom: 22px; scrollbar-width: thin; }
.tab { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border-radius: var(--radius-sm); color: var(--muted); font-weight: 600; font-size: .86rem; white-space: nowrap; }
.tab:hover { color: var(--text); text-decoration: none; }
.tab.active { color: var(--accent); box-shadow: var(--shadow-xs); background: var(--surface); }

/* ---------- Event cards ---------- */
.event-card { display: flex; flex-direction: column; gap: 12px; color: var(--text); }
.event-card:hover { text-decoration: none; }
.event-card .type { display: inline-flex; align-items: center; gap: 8px; font-size: .78rem; font-weight: 700; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; flex: none; }
.meta-list { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: .84rem; color: var(--muted); }
.meta-list i { margin-right: 4px; }
.kv { display: grid; grid-template-columns: minmax(110px, 40%) 1fr; gap: 10px 16px; font-size: .9rem; }
.kv dt { color: var(--muted); font-weight: 600; } .kv dd { margin: 0; font-weight: 600; word-break: break-word; }

/* ---------- Pagination ---------- */
.pagination { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; justify-content: space-between; margin-top: 18px; font-size: .85rem; }
.pagination .pages { display: flex; gap: 6px; flex-wrap: wrap; }
.pagination a, .pagination span.page { min-width: 36px; height: 36px; padding: 0 10px; display: inline-grid; place-items: center; border-radius: 10px; box-shadow: var(--shadow-xs); color: var(--muted); font-weight: 600; }
.pagination a:hover { color: var(--accent); text-decoration: none; }
.pagination .current { box-shadow: var(--inset-sm); color: var(--accent); }
.pagination .disabled { opacity: .4; }

/* ---------- Dialog ---------- */
dialog { border: 0; border-radius: var(--radius); background: var(--surface); color: var(--text); box-shadow: var(--shadow); padding: 24px; width: min(520px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(20, 24, 33, .35); backdrop-filter: blur(2px); }

/* ---------- Auth & portal ---------- */
.center-page { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: min(420px, 100%); }
.portal { max-width: 760px; margin: 0 auto; padding: 32px 16px 56px; }
.portal-head { text-align: center; margin-bottom: 26px; }
.portal-head .brand-mark { margin: 0 auto 14px; width: 64px; height: 64px; font-size: 1.7rem; border-radius: 20px; }
.portal-logo { max-height: 84px; max-width: 70%; margin: 0 auto 12px; display: block; }
.result-card { animation: rise .45s ease both; }
.success-mark { width: 84px; height: 84px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 16px; font-size: 2.4rem; color: var(--success); box-shadow: var(--shadow); }
.success-mark.fail { color: var(--danger); }
.big-detail { text-align: center; padding: 18px; border-radius: var(--radius-sm); box-shadow: var(--inset-sm); }
.big-detail .label { display: block; margin-bottom: 4px; }
.big-detail strong { font-size: 1.35rem; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.confetti { position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 50; }
.confetti i { position: absolute; top: -12px; width: 9px; height: 14px; border-radius: 2px; opacity: .9; animation: fall 2.6s ease-in forwards; }
@keyframes fall { to { transform: translateY(105vh) rotate(540deg); opacity: .2; } }

/* ---------- QR ---------- */
.qr-box { background: #fff; border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); display: inline-block; line-height: 0; }
.qr-box svg { width: 100%; height: auto; display: block; }
.qr-box svg .dark, .qr-box svg path { fill: #111; }
.qr-display { min-height: 100vh; display: grid; place-items: center; padding: 24px; text-align: center; }
.qr-display .qr-box { width: min(78vmin, 560px); }
.countdown { font-variant-numeric: tabular-nums; font-weight: 800; }
.spinner { width: 18px; height: 18px; border-radius: 50%; border: 3px solid var(--dark); border-top-color: var(--accent); animation: spin .8s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Misc ---------- */
.code-block { font-family: var(--mono); font-size: .8rem; white-space: pre-wrap; word-break: break-all; max-height: 240px; overflow: auto; }
.steps { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.step { display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px; font-size: .82rem; font-weight: 700; color: var(--faint); box-shadow: var(--shadow-xs); }
.step b { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; box-shadow: var(--inset-sm); font-size: .75rem; }
.step.active { color: var(--accent); box-shadow: var(--inset-sm); }
.step.done { color: var(--success); }
.row-invalid td { background: color-mix(in srgb, var(--danger-soft) 55%, transparent); }
.kv-rows .kv-row { display: grid; grid-template-columns: 1fr 1.6fr auto; gap: 8px; margin-bottom: 8px; }
[hidden] { display: none !important; }
@media print { .sidebar, .topbar .actions, .no-print { display: none !important; } .app { display: block; } .card { box-shadow: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }