:root {
    --bg: #06100d;
    --panel: #0c1915;
    --panel-2: #11231d;
    --border: #20372f;
    --text: #edf5f1;
    --muted: #9eb2aa;
    --accent: #8ad7a9;
    --accent-strong: #b4f0cc;
    --danger: #f28c8c;
    --shadow: 0 18px 45px rgba(0,0,0,.22);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
    margin: 0;
    background: radial-gradient(circle at top, #10251d 0, var(--bg) 34rem);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    min-height: 100vh;
}
a { color: inherit; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .9rem max(1rem, calc((100vw - 1180px)/2));
    background: rgba(6,16,13,.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; }
.brand-mark {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: var(--accent);
    color: #06100d;
    font-weight: 800;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); margin-top: 2px; }

.site-nav { display: flex; gap: .4rem; align-items: center; }
.site-nav a { text-decoration: none; color: var(--muted); padding: .65rem .8rem; border-radius: 10px; }
.site-nav a:hover, .site-nav a.active { background: var(--panel-2); color: var(--text); }
.nav-toggle { display: none; }

.page-shell { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: 2rem 0 4rem; }
.hero-row { display: flex; justify-content: space-between; gap: 1rem; align-items: flex-end; margin-bottom: 1.5rem; }
h1 { margin: .2rem 0 .4rem; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; }
h2 { margin: 0; font-size: 1.2rem; }
h3 { margin: 0 0 .4rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; font-weight: 700; margin: 0 0 .45rem; }
.muted { color: var(--muted); }
.wide-copy { max-width: 760px; }

.panel {
    background: linear-gradient(180deg, rgba(17,35,29,.95), rgba(12,25,21,.96));
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 1.1rem;
    box-shadow: var(--shadow);
}
.panel.compact { padding: .8rem 1rem; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; margin-bottom: 1rem; }
.stats-grid.three { grid-template-columns: repeat(3, 1fr); }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 1rem; }
.stat-card span { display: block; color: var(--muted); font-size: .85rem; margin-bottom: .35rem; }
.stat-card strong { font-size: 1.75rem; }
.stat-card strong.smaller { font-size: 1.1rem; }

.main-map, .detail-map, .picker-map { border: 1px solid var(--border); overflow: hidden; background: #15211d; }
.main-map { height: 520px; border-radius: 20px; margin-bottom: 1.2rem; }
.detail-map { height: 380px; border-radius: 20px; margin-bottom: 1.2rem; }
.picker-map { height: 420px; border-radius: 16px; margin: .4rem 0 1rem; }
.leaflet-popup-content-wrapper, .leaflet-popup-tip { background: #0c1915; color: var(--text); }
.leaflet-popup-content { margin: 12px 14px; }
.map-popup { display: grid; gap: .2rem; min-width: 180px; }
.map-popup span, .map-popup small { color: var(--muted); }
.map-popup a { margin-top: .35rem; color: var(--accent); font-weight: 700; text-decoration: none; }

.map-toolbar { display: flex; gap: .8rem; margin-bottom: .8rem; }
.map-toolbar label { flex: 0 1 260px; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(300px, .85fr); gap: 1rem; }
.detail-layout { grid-template-columns: 1fr 1.2fr; }
.stack { display: grid; gap: 1rem; align-content: start; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .85rem; }
.section-heading a { color: var(--accent); text-decoration: none; }

.location-list, .recent-list, .history-list, .people-admin-list { display: grid; gap: .6rem; }
.location-row, .recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: .85rem;
    background: rgba(255,255,255,.015);
}
.location-row:hover, .recent-item:hover { border-color: #3b5c50; background: rgba(255,255,255,.03); }
.location-row strong, .location-row span, .recent-item strong, .recent-item span, .recent-item small { display: block; }
.location-row span, .recent-item span, .recent-item small { color: var(--muted); margin-top: .12rem; }
.location-meta { text-align: right; font-size: .88rem; }

.leaderboard { display: grid; gap: .5rem; }
.leader-row { display: flex; justify-content: space-between; padding: .65rem .2rem; border-bottom: 1px solid rgba(255,255,255,.06); }
.leader-row:last-child { border-bottom: 0; }

.form-section { display: grid; gap: 1rem; }
.form-grid { display: grid; gap: .9rem; }
.form-grid.single { grid-template-columns: 1fr; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0,1fr)); }
.form-grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
label, legend { font-size: .9rem; color: var(--muted); }
input, select, textarea {
    width: 100%;
    margin-top: .35rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #08130f;
    color: var(--text);
    padding: .75rem .8rem;
    font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(138,215,169,.35); border-color: var(--accent); }
textarea { resize: vertical; }
fieldset { border: 1px solid var(--border); border-radius: 14px; padding: .9rem; }
legend { padding: 0 .4rem; }
.check-grid, .people-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: .65rem; }
.people-grid { grid-template-columns: repeat(3, 1fr); }
.check-row, .person-choice { display: flex; align-items: center; gap: .55rem; color: var(--text); }
.check-row input, .person-choice input { width: auto; margin: 0; }
.person-choice { border: 1px solid var(--border); border-radius: 12px; padding: .8rem; cursor: pointer; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel-2);
    color: var(--text);
    padding: .72rem .95rem;
    text-decoration: none;
    font: inherit;
    cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.primary { background: var(--accent); color: #06100d; border-color: var(--accent); font-weight: 750; }
.btn.danger { color: #ffd1d1; border-color: #713c3c; background: #2a1414; }
.btn.small { padding: .45rem .65rem; font-size: .85rem; }
.button-row, .form-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.split-actions { justify-content: space-between; }

.flash { border: 1px solid var(--border); border-radius: 12px; padding: .8rem 1rem; margin-bottom: 1rem; }
.flash.success { background: #0f2a1f; border-color: #295d46; }
.flash.error { background: #2b1414; border-color: #704040; color: #ffdada; }
.flash ul { margin: .2rem 0 .2rem 1.2rem; padding: 0; }

.details-list { margin: 0; display: grid; }
.details-list > div { display: grid; grid-template-columns: 1fr 1.3fr; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid rgba(255,255,255,.06); }
.details-list dt { color: var(--muted); }
.details-list dd { margin: 0; text-align: right; }
.info-block { margin-top: 1rem; }
.info-block p { margin: 0; color: var(--muted); line-height: 1.55; }

.history-item { border: 1px solid var(--border); border-radius: 14px; padding: .9rem; }
.history-top { display: flex; justify-content: space-between; gap: 1rem; }
.history-top span { display: block; margin-top: .15rem; color: var(--muted); font-size: .9rem; }
.history-item small { color: var(--muted); }
.history-item p { margin: .6rem 0 0; color: var(--muted); }
.history-actions { display: flex; align-items: flex-start; gap: .5rem; }
.history-actions a { color: var(--accent); text-decoration: none; font-size: .9rem; }
.pill { display: inline-block !important; border: 1px solid var(--border); border-radius: 999px; padding: .3rem .55rem; background: #08130f; }

.people-admin-row { display: flex; justify-content: space-between; gap: 1rem; align-items: center; border-bottom: 1px solid rgba(255,255,255,.06); padding-bottom: .65rem; }
.people-admin-row:last-child { border-bottom: 0; padding-bottom: 0; }

.empty-state { text-align: center; color: var(--muted); padding: 2rem 1rem; }
.auth-wrap { min-height: 70vh; display: grid; place-items: center; }
.auth-card { width: min(440px, 100%); }
.auth-card h1 { font-size: 2rem; }
.narrow-form { max-width: 850px; }

@media (max-width: 850px) {
    .site-header { align-items: flex-start; }
    .nav-toggle { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); color: var(--text); padding: .55rem .7rem; }
    .site-nav { display: none; position: absolute; top: 68px; right: 1rem; left: 1rem; flex-direction: column; align-items: stretch; background: #08130f; border: 1px solid var(--border); border-radius: 14px; padding: .5rem; box-shadow: var(--shadow); }
    .site-nav.open { display: flex; }
    .stats-grid, .stats-grid.three { grid-template-columns: repeat(2, 1fr); }
    .content-grid, .detail-layout { grid-template-columns: 1fr; }
    .main-map { height: 450px; }
}

@media (max-width: 620px) {
    .page-shell { width: min(100% - 1rem, 1180px); padding-top: 1rem; }
    .brand small { display: none; }
    .hero-row { align-items: stretch; flex-direction: column; }
    .hero-row .button-row { width: 100%; }
    .hero-row .btn { flex: 1; }
    h1 { font-size: 2.15rem; }
    .stats-grid, .stats-grid.three { grid-template-columns: repeat(2, 1fr); }
    .stat-card strong { font-size: 1.35rem; }
    .map-toolbar { flex-direction: column; }
    .map-toolbar label { flex-basis: auto; }
    .main-map { height: 410px; }
    .detail-map { height: 320px; }
    .picker-map { height: 360px; }
    .form-grid.two, .form-grid.three { grid-template-columns: 1fr; }
    .check-grid { grid-template-columns: repeat(2, 1fr); }
    .people-grid { grid-template-columns: repeat(2, 1fr); }
    .location-row { align-items: flex-start; }
    .location-meta { text-align: right; }
    .details-list > div { grid-template-columns: 1fr; gap: .2rem; }
    .details-list dd { text-align: left; }
    .history-top { flex-direction: column; }
    .history-actions { justify-content: space-between; }
    .split-actions { align-items: stretch; flex-direction: column; }
}

/* Live GPS tracker */
.tracker-page { max-width: 980px; margin: 0 auto; }
.tracker-topline, .page-heading-row { display:flex; justify-content:space-between; align-items:flex-start; gap:20px; margin-bottom:18px; }
.tracker-status { border:1px solid #28483b; background:#0b1b15; color:#d9e9df; padding:12px 14px; border-radius:12px; margin-bottom:14px; }
.tracker-status.active { border-color:#4f9f70; background:#10271c; }
.tracker-status.paused { border-color:#8d7a46; }
.tracker-status.finished { border-color:#4c718d; }
.tracker-status.error { border-color:#9b5555; color:#ffd6d6; }
.tracker-stats-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin-bottom:12px; }
.tracker-stats-grid.compact { margin:18px 0 24px; }
.tracker-stat { background:#0e211a; border:1px solid #28483b; border-radius:14px; padding:13px; min-width:0; }
.tracker-stat span { display:block; color:#9db2a7; font-size:.78rem; margin-bottom:4px; }
.tracker-stat strong { display:block; color:#f1f8f4; font-size:1.18rem; overflow-wrap:anywhere; }
.tracker-gps-line { display:flex; justify-content:space-between; gap:12px; color:#9db2a7; font-size:.84rem; margin:0 2px 10px; }
.tracker-map { height:410px; border-radius:18px; overflow:hidden; border:1px solid #28483b; background:#0b1712; }
.tracker-controls { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; margin-top:14px; }
.tracker-controls .button { min-height:58px; font-size:1.05rem; display:flex; align-items:center; justify-content:center; }
.tracker-start { width:100%; min-height:58px; justify-content:center; }
.tracker-note { margin:14px 0; color:#a9bdb2; background:#0b1b15; border-left:3px solid #4f9f70; padding:12px 14px; border-radius:10px; font-size:.9rem; }
.tracker-save-panel { margin-top:18px; }
.people-check-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px; }
.check-card { display:flex; align-items:center; gap:8px; border:1px solid #28483b; border-radius:11px; padding:10px; background:#0b1b15; }
.check-card input { width:18px; height:18px; }
.track-list { display:grid; gap:9px; }
.track-list-item { display:flex; justify-content:space-between; gap:18px; padding:14px 16px; border:1px solid #28483b; border-radius:14px; background:#0e211a; text-decoration:none; color:#eef7f2; }
.track-list-item:hover { border-color:#4f765f; }
.track-list-item span { display:block; color:#9db2a7; font-size:.84rem; margin-top:3px; }
.track-list-metrics { text-align:right; flex:0 0 auto; }

@media (max-width: 700px) {
    .tracker-topline, .page-heading-row { flex-direction:column; align-items:stretch; }
    .tracker-stats-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .tracker-map { height:44vh; min-height:300px; max-height:470px; border-radius:14px; }
    .people-check-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
    .tracker-gps-line { flex-direction:column; gap:3px; }
}