/* Struumo Web-Dashboard — Navy/Amber, dark only (matches the iOS app and the
   admin panel; see Admin/DashboardController: primary #f5a623, slate navy). */

:root {
    --bg: #020617;
    --surface: #0f172a;
    --surface-2: #1e293b;
    --border: #24324a;
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --amber: #f5a623;
    --amber-soft: #f0a935;
    --green: #34d399;
    --red: #f87171;
    --blue: #60a5fa;
    --radius: 14px;
    --radius-sm: 9px;
    --maxw: 880px;
    font-synthesis: none;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--amber-soft); }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 20px 16px 64px; }

/* ---- Top bar ---- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 16px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    letter-spacing: .3px;
    font-size: 1.1rem;
    color: var(--text);
}
.brand span { color: var(--amber); }
.brand-bolt { width: 15px; height: 19px; fill: var(--amber); flex: none; }
.topbar .muted { color: var(--text-dim); font-size: .85rem; }
.topbar a.logout { color: var(--text-dim); font-size: .85rem; text-decoration: none; }
.topbar a.logout:hover { color: var(--text); }

/* ---- Nav ---- */
nav.tabs {
    display: flex;
    gap: 4px;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}
nav.tabs a {
    padding: 10px 14px;
    color: var(--text-dim);
    text-decoration: none;
    font-size: .92rem;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
nav.tabs a.active { color: var(--text); border-bottom-color: var(--amber); }
nav.tabs a:hover { color: var(--text); }

/* ---- Cards ---- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px;
    margin-top: 16px;
}
.card h2 {
    margin: 0 0 12px;
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: var(--text-dim);
}

.grid { display: grid; gap: 16px; }
@media (min-width: 620px) { .grid.cols-2 { grid-template-columns: 1fr 1fr; } }

/* ---- Energy flow diagram ---- */
.flowsvg {
    width: 100%;
    max-width: 460px;
    height: auto;
    display: block;
    margin: 0 auto;
    font-family: inherit;
}
.flow-wires line { stroke: var(--border); stroke-width: 3; stroke-linecap: round; }
.flow-hub { fill: var(--amber); }
.flow-hub-ring { fill: var(--surface); stroke: var(--border); stroke-width: 2; }

.flow-stream {
    fill: none;
    stroke-linecap: round;
    stroke-dasharray: 2 8;
    animation: flow-march 1s linear infinite;
}
.flow-stream.s-amber { stroke: var(--amber); }
.flow-stream.s-green { stroke: var(--green); }
.flow-stream.s-red   { stroke: var(--red); }
.flow-stream.s-dim   { stroke: var(--text-dim); }
@keyframes flow-march { to { stroke-dashoffset: -20; } }

.fm-fill.fm-amber { fill: var(--amber); }
.fm-fill.fm-green { fill: var(--green); }
.fm-fill.fm-red   { fill: var(--red); }
.fm-fill.fm-dim   { fill: var(--text-dim); }

.fnode .ficon {
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.fnode .ficon .soc { fill: var(--amber); stroke: none; opacity: .6; }
.fnode text { text-anchor: middle; }
.fnode .flabel { fill: var(--text-dim); font-size: 11px; }
.fnode .fval { fill: var(--text); font-size: 14px; font-weight: 600; }
.fnode .fsub { fill: var(--text-dim); font-size: 10px; }
.fnode.tone-amber { color: var(--amber); }
.fnode.tone-green { color: var(--green); }
.fnode.tone-red { color: var(--red); }
.fnode.tone-dim { color: var(--text-dim); }
.fnode.tone-load { color: var(--text); }
.fnode.tone-off { color: var(--border); }
.fnode.tone-amber .fval { fill: var(--amber); }
.fnode.tone-green .fval { fill: var(--green); }
.fnode.tone-red .fval { fill: var(--red); }

.flow-legend {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    justify-content: center;
    font-size: .78rem;
    color: var(--text-dim);
    margin-top: 10px;
}
.flow-legend i {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 3px;
    margin-right: 5px;
    vertical-align: middle;
}
.flow-legend i.amber { background: var(--amber); }
.flow-legend i.green { background: var(--green); }
.flow-legend i.red { background: var(--red); }
.flow .updated { text-align: center; }

@media (prefers-reduced-motion: reduce) {
    .flow-stream { animation: none; }
}

/* ---- Price chart ---- */
.chart { width: 100%; height: 160px; display: block; }
.chart .bar { fill: var(--surface-2); }
.chart .bar.cheap { fill: var(--green); }
.chart .bar.now { fill: var(--amber); }
.chart .axis { stroke: var(--border); stroke-width: 1; }
.chart-legend { display: flex; gap: 16px; font-size: .8rem; color: var(--text-dim); margin-top: 8px; }
.chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 5px; vertical-align: middle; }

/* ---- Forecast tri-state cards ---- */
.forecast { display: grid; gap: 10px; grid-template-columns: repeat(3, 1fr); }
.fc { background: var(--surface-2); border-radius: var(--radius-sm); padding: 12px; text-align: center; }
.fc .day { font-size: .8rem; color: var(--text-dim); text-transform: capitalize; }
.fc .verdict { font-size: 1.4rem; margin: 6px 0; }
.fc.ok .verdict { color: var(--green); }
.fc.tight .verdict { color: var(--amber); }
.fc.unknown .verdict { color: var(--text-dim); }
.fc .detail { font-size: .72rem; color: var(--text-dim); }

/* ---- Charge goal / forms ---- */
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row + .row { margin-top: 12px; }
label { font-size: .9rem; color: var(--text-dim); }
input[type="number"], input[type="email"], input[type="password"], input[type="range"], select {
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius-sm);
    padding: 9px 11px;
    font: inherit;
}
input[type="range"] { padding: 0; }
.btn {
    background: var(--amber);
    color: #1a1200;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn.danger { background: transparent; color: var(--red); border: 1px solid var(--red); }

.pill { display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: .78rem; }
.pill.on { background: rgba(52,211,153,.15); color: var(--green); }
.pill.off { background: var(--surface-2); color: var(--text-dim); }

.flash { padding: 11px 14px; border-radius: var(--radius-sm); margin-top: 16px; font-size: .9rem; }
.flash.success { background: rgba(52,211,153,.13); color: var(--green); }
.flash.error { background: rgba(248,113,113,.13); color: var(--red); }

.banner {
    margin-top: 16px; padding: 12px 14px; border-radius: var(--radius-sm);
    background: rgba(248,113,113,.12); color: var(--red); font-size: .9rem;
}
.banner.hidden { display: none; }

.muted { color: var(--text-dim); }
.updated { font-size: .78rem; color: var(--text-dim); margin-top: 4px; }

/* ---- Table (log / history) ---- */
.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 600; font-size: .8rem; }

/* ---- Login ---- */
.login-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-box { width: 100%; max-width: 360px; }
.login-box .card { margin-top: 0; }
.login-box .brand { font-size: 1.5rem; display: flex; justify-content: center; margin-bottom: 4px; }
.login-box .brand-bolt { width: 19px; height: 24px; }
.login-box .tagline { text-align: center; color: var(--text-dim); font-size: .88rem; margin-bottom: 20px; }
.login-box input { width: 100%; margin-top: 6px; }
.login-box .btn { width: 100%; margin-top: 16px; }

/* Signature element shared with the admin login and the app onboarding:
   a 24h tariff sparkline with the cheapest window glowing amber. */
.tariff-strip { display: flex; align-items: flex-end; gap: 3px; height: 40px; padding: 0 2px; }
.tariff-strip span {
    flex: 1;
    height: var(--h);
    min-height: 3px;
    border-radius: 1px;
    background: var(--surface-2);
}
.tariff-strip span.cheap { background: var(--amber); box-shadow: 0 0 10px 0 rgba(245, 166, 35, .35); }
@media (prefers-reduced-motion: no-preference) {
    .tariff-strip span.cheap { animation: tariff-pulse 3.2s ease-in-out infinite; }
    .tariff-strip span.cheap:nth-child(3) { animation-delay: .15s; }
    .tariff-strip span.cheap:nth-child(4) { animation-delay: .3s; }
}
@keyframes tariff-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
.tariff-caption {
    margin: 10px 2px 24px;
    font-size: 11px;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.tariff-caption strong { color: var(--amber); font-weight: 600; }