/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:        #0f172a;
    --bg2:       #1e293b;
    --bg3:       #334155;
    --border:    #334155;
    --text:      #e2e8f0;
    --text-muted:#94a3b8;
    --primary:   #3b82f6;
    --primary-h: #2563eb;
    --green:     #22c55e;
    --yellow:    #f59e0b;
    --red:       #ef4444;
    --radius:    8px;
    --shadow:    0 1px 3px rgba(0,0,0,.4);
}

html { font-size: 15px; }
body {
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; font-weight: 700; }
h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: .75rem; }

/* ── Navbar ────────────────────────────────────────────────────────────────── */
.navbar {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: .6rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-brand { font-weight: 700; font-size: 1.05rem; color: var(--text); }
.nav-brand:hover { text-decoration: none; }
.nav-links { display: flex; gap: 1.25rem; align-items: center; font-size: .9rem; }
.nav-links a { color: var(--text-muted); transition: color .15s; }
.nav-links a:hover,
.nav-links a.active { color: var(--text); text-decoration: none; }
.nav-logout { color: var(--text-muted) !important; }
.nav-logout:hover { color: var(--red) !important; }

/* ── Container ─────────────────────────────────────────────────────────────── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 1.25rem;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.25rem;
}

/* ── Login Page ─────────────────────────────────────────────────────────────── */
.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-wrap { width: 100%; max-width: 380px; padding: 1rem; }
.login-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}
.login-card h1 { text-align: center; margin-bottom: 1.5rem; }
.login-card label { display: block; font-size: .85rem; color: var(--text-muted); margin-bottom: .25rem; margin-top: .75rem; }
.login-card input {
    width: 100%; padding: .5rem .75rem;
    background: var(--bg3); border: 1px solid var(--border);
    border-radius: 6px; color: var(--text); font-size: .95rem;
}
.login-card input:focus { outline: 2px solid var(--primary); border-color: transparent; }

/* ── Buttons ────────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: .3rem;
    padding: .45rem .9rem; border-radius: 6px; font-size: .85rem;
    cursor: pointer; border: 1px solid var(--border);
    background: var(--bg3); color: var(--text);
    transition: background .15s, border-color .15s;
}
.btn:hover { background: var(--bg2); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-h); border-color: var(--primary-h); }
.btn-danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn-danger:hover { opacity: .85; }
.btn-full { width: 100%; justify-content: center; margin-top: 1rem; padding: .6rem; }
.btn-sm   { padding: .35rem .7rem; font-size: .8rem; }
.btn-xs   { padding: .2rem .5rem;  font-size: .75rem; }
.btn-share-on { background: #064e3b; border-color: var(--green); color: var(--green); }

/* ── Alerts ─────────────────────────────────────────────────────────────────── */
.alert {
    padding: .75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: .9rem;
}
.alert-error { background: #450a0a; border: 1px solid var(--red);    color: #fca5a5; }
.alert-alarm { background: #450a0a; border: 1px solid var(--red);    color: #fca5a5; font-weight: 600; font-size: 1rem; }
.alert-info  { background: #0c1a4a; border: 1px solid var(--primary); color: #93c5fd; }

/* ── Dashboard Grid ─────────────────────────────────────────────────────────── */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.25rem;
    align-items: start;
}
@media (max-width: 760px) {
    .dashboard-grid { grid-template-columns: 1fr; }
}

/* ── Map ─────────────────────────────────────────────────────────────────────── */
#map { height: 480px; border-radius: 6px; }
.tour-map { height: 420px; border-radius: 6px; }

/* ── Status Table ────────────────────────────────────────────────────────────── */
.status-table { width: 100%; border-collapse: collapse; }
.status-table th,
.status-table td { padding: .4rem .5rem; vertical-align: top; }
.status-table th { color: var(--text-muted); font-weight: 500; text-align: left; white-space: nowrap; width: 40%; }
.status-table td { font-weight: 500; }

/* ── Battery colours ─────────────────────────────────────────────────────────── */
.battery { font-weight: 600; }
.bat-ok   { color: var(--green); }
.bat-warn { color: var(--yellow); }
.bat-low  { color: var(--red); }

/* ── Stat boxes ──────────────────────────────────────────────────────────────── */
.stat-row { display: flex; gap: 1rem; margin-top: 1rem; }
.stat-box {
    flex: 1; background: var(--bg3); border-radius: 6px;
    padding: .75rem; text-align: center;
}
.stat-value { display: block; font-size: 1.75rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: .8rem; color: var(--text-muted); }

/* ── Charts Grid ─────────────────────────────────────────────────────────────── */
.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}
@media (max-width: 640px) {
    .charts-grid { grid-template-columns: 1fr; }
}

/* ── Tables ──────────────────────────────────────────────────────────────────── */
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .875rem; }
.data-table th {
    text-align: left; padding: .5rem .75rem;
    background: var(--bg3); color: var(--text-muted);
    font-weight: 500; white-space: nowrap;
    border-bottom: 1px solid var(--border);
}
.data-table td {
    padding: .45rem .75rem;
    border-bottom: 1px solid rgba(51,65,85,.5);
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,.03); }
.data-table-sm td, .data-table-sm th { padding: .3rem .5rem; font-size: .8rem; }

/* ── Badges ──────────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block; padding: .15rem .55rem;
    border-radius: 9999px; font-size: .75rem; font-weight: 600;
}
.badge-green { background: #14532d; color: #86efac; }
.badge-gray  { background: #1e293b; color: var(--text-muted); border: 1px solid var(--border); }
.badge-blue  { background: #1e3a5f; color: #93c5fd; }

/* ── Forms ───────────────────────────────────────────────────────────────────── */
.form-inline { display: inline-flex; align-items: center; gap: .25rem; }
.input-label {
    background: var(--bg3); border: 1px solid var(--border);
    color: var(--text); border-radius: 4px; padding: .2rem .4rem;
    font-size: .8rem; width: 160px;
}
.input-label:focus { outline: 2px solid var(--primary); border-color: transparent; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: .75rem;
    align-items: end;
}
.form-grid label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--text-muted); }
.form-grid input,
.form-grid select {
    background: var(--bg3); border: 1px solid var(--border);
    color: var(--text); border-radius: 6px; padding: .4rem .6rem; font-size: .9rem;
}
.form-grid input:focus,
.form-grid select:focus { outline: 2px solid var(--primary); border-color: transparent; }
@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}

/* ── Tour Header ─────────────────────────────────────────────────────────────── */
.tour-header {
    display: flex; justify-content: space-between;
    align-items: flex-start; margin-bottom: 1.25rem; gap: 1rem;
}
.meta { color: var(--text-muted); font-size: .875rem; margin-top: .25rem; }

/* ── Utilities ───────────────────────────────────────────────────────────────── */
.nowrap { white-space: nowrap; }
.muted  { color: var(--text-muted); }
.center { text-align: center; }

/* ── Map Fullscreen ──────────────────────────────────────────────────────────── */
.map-wrap { position: relative; }

.map-fs-btn {
    position: absolute;
    top: 10px; right: 10px;
    z-index: 1000;
    width: 34px; height: 34px;
    background: #fff;
    border: 2px solid rgba(0,0,0,.3);
    border-radius: 4px;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: #333;
    box-shadow: 0 1px 5px rgba(0,0,0,.3);
    padding: 0;
}
.map-fs-btn:hover { background: #f0f0f0; }

.map-wrap:fullscreen,
.map-wrap:-webkit-full-screen {
    width: 100vw; height: 100vh;
    background: #000;
}
.map-wrap:fullscreen > div,
.map-wrap:-webkit-full-screen > div {
    width: 100vw !important;
    height: 100vh !important;
    border-radius: 0 !important;
}

/* ── Tour admin controls ─────────────────────────────────────────────────────── */
.tour-actions { display: flex; gap: .5rem; align-items: flex-start; flex-wrap: wrap; }