/* Solix Monitor – Stil „Glass & Glow“ */
:root {
  --bg0: #070919;
  --bg1: #151036;
  --blob1: rgba(110, 72, 255, .34);
  --blob2: rgba(0, 176, 255, .20);
  --blob3: rgba(255, 168, 64, .14);
  --glass: rgba(24, 28, 64, .52);
  --glass-solid: #161a3b;         /* Fallback ohne backdrop-filter, Diagramm-Fläche */
  --glass-border: rgba(255, 255, 255, .09);
  --glass-hi: rgba(255, 255, 255, .14);
  --field: rgba(8, 10, 30, .55);
  --text: #eef1ff;
  --muted: #a6aed0;
  --grid: rgba(255, 255, 255, .08);
  --accent: #7cc4ff;
  --on-accent: #06102a;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45), 0 2px 8px rgba(0, 0, 0, .3);
  --glow: .55;                    /* Stärke der Leucht-Effekte */
  /* Datenfarben (Neon, validiert gegen #141a33) */
  --solar: #ffc24b;
  --charge: #3fe39a;
  --discharge: #36c8f0;
  --import: #ff6a55;
  --export: #b98cff;
  --home: #e6ecff;
  --soc: #3fe39a;
  --warn-bg: rgba(255, 194, 75, .12);
  --warn-border: rgba(255, 194, 75, .35);
  --err: #ff8a78;
  --ok: #3fe39a;
  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 10px;
  --font: system-ui, -apple-system, "Segoe UI Variable Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg0: #eef1fb;
  --bg1: #f7eefa;
  --blob1: rgba(132, 102, 255, .20);
  --blob2: rgba(0, 170, 255, .16);
  --blob3: rgba(255, 176, 72, .20);
  --glass: rgba(255, 255, 255, .58);
  --glass-solid: #fbfcff;
  --glass-border: rgba(40, 50, 110, .12);
  --glass-hi: rgba(255, 255, 255, .9);
  --field: rgba(255, 255, 255, .75);
  --text: #121833;
  --muted: #4c5577;
  --grid: rgba(30, 40, 90, .10);
  --accent: #2f63d8;
  --on-accent: #ffffff;
  --shadow: 0 18px 46px rgba(60, 70, 140, .14), 0 2px 8px rgba(60, 70, 140, .08);
  --glow: .22;
  --solar: #a86a00;
  --charge: #0e8a55;
  --discharge: #0a7ec2;
  --import: #d1224f;
  --export: #7445d4;
  --home: #30384a;
  --soc: #0e8a55;
  --warn-bg: rgba(168, 106, 0, .10);
  --warn-border: rgba(168, 106, 0, .35);
  --err: #c0242f;
  --ok: #0e8a55;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  background: linear-gradient(160deg, var(--bg0) 0%, var(--bg1) 100%) fixed;
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--glass-solid); color: var(--text); padding: 8px 12px; z-index: 20; border-radius: var(--r-sm); }
.skip:focus { left: 8px; }
.muted { color: var(--muted); font-weight: normal; font-size: .9em; }
.small { font-size: .85rem; margin: -6px 0 4px; }
[hidden] { display: none !important; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.i { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ----- Hintergrund: driftende Farb-Blobs (nur transform → Compositor) ----- */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg i {
  position: absolute; width: 70vmax; height: 70vmax; border-radius: 50%;
  background: radial-gradient(circle at center, var(--c) 0%, transparent 62%);
  will-change: transform;
  animation: drift 46s ease-in-out infinite alternate;
}
.bg i:nth-child(1) { --c: var(--blob1); left: -22vmax; top: -26vmax; }
.bg i:nth-child(2) { --c: var(--blob2); right: -28vmax; top: 10vh; animation-duration: 58s; animation-delay: -20s; }
.bg i:nth-child(3) { --c: var(--blob3); left: 20vw; bottom: -40vmax; animation-duration: 64s; animation-delay: -35s; }
@keyframes drift {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(6vmax, 4vmax, 0) scale(1.08); }
  100% { transform: translate3d(-4vmax, 7vmax, 0) scale(.95); }
}

/* ----- Glas ----- */
.glass, .card, .tile, .topbar::before {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow), inset 0 1px 0 var(--glass-hi);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  backdrop-filter: blur(18px) saturate(140%);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .card, .tile, .topbar::before, .tabbar { background: var(--glass-solid); }
}

/* ----- Kopfzeile / Navigation ----- */
.topbar {
  position: sticky; top: 12px; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  max-width: 1180px; margin: 12px auto 0; padding: 8px 10px 8px 16px;
  border-radius: 18px;
}
/* Glas auf ::before: backdrop-filter am Header selbst würde die fixe Tab-Leiste (Handy) einfangen */
.topbar::before { content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: .2px; }
.brand img { filter: drop-shadow(0 0 10px rgba(255, 194, 75, var(--glow))); }
.tabbar { display: flex; gap: 4px; margin-left: auto; }
.tabbar a {
  display: flex; align-items: center; gap: 8px;
  color: var(--muted); text-decoration: none; padding: 8px 14px; border-radius: 12px; font-weight: 600;
  transition: color .2s, background-color .2s;
}
.tabbar a:hover { color: var(--text); background: var(--glass-border); }
.tabbar a[aria-current="page"] {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}
.tabbar a[aria-current="page"] .i { color: var(--accent); filter: drop-shadow(0 0 6px color-mix(in srgb, var(--accent) 60%, transparent)); }
.icon-btn {
  display: grid; place-items: center;
  background: var(--field); color: var(--text); border: 1px solid var(--glass-border);
  width: 40px; height: 40px; border-radius: 12px; cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
:root[data-theme="light"] .show-dark, :root:not([data-theme="light"]) .show-light { display: none; }

main { max-width: 1180px; margin: 0 auto; padding: 24px 16px 56px; display: grid; gap: 22px; }
main:focus { outline: none; }

/* ----- Karten ----- */
.card { border-radius: var(--r-lg); padding: 20px 22px; min-width: 0; }
.card h2, .section-h { font-size: 1rem; font-weight: 650; letter-spacing: .2px; margin: 0 0 12px; display: flex; align-items: center; gap: 10px; }
.section-h { margin: 2px 4px 12px; color: var(--muted); text-transform: uppercase; font-size: .8rem; letter-spacing: 1.2px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.card-head h2 { margin: 0; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--charge); box-shadow: 0 0 0 0 var(--charge); animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--charge) 70%, transparent); } 100% { box-shadow: 0 0 0 10px transparent; } }

/* ----- Kacheln ----- */
.tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.tile {
  border-radius: var(--r-lg); padding: 16px 18px; position: relative; overflow: hidden;
  transition: transform .25s ease, border-color .25s ease;
}
.tile::after { /* weicher Farbschein in der Ecke */
  content: ""; position: absolute; right: -40px; top: -40px; width: 120px; height: 120px; border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--c) 28%, transparent), transparent 70%);
  opacity: calc(var(--glow) * 1.4); pointer-events: none;
}
.tile:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--c) 45%, transparent); }
.tile .t-head { display: flex; align-items: center; gap: 10px; }
.tile .t-ico {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px;
  color: var(--c); background: color-mix(in srgb, var(--c) 14%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 30%, transparent);
}
.tile .t-ico .i { width: 18px; height: 18px; }
.tile .t-label { color: var(--muted); font-size: .85rem; font-weight: 600; }
.tile .t-value {
  font-size: 2.1rem; font-weight: 300; letter-spacing: -.5px; margin-top: 10px; line-height: 1.1;
  color: var(--c); font-variant-numeric: tabular-nums;
  text-shadow: 0 0 22px color-mix(in srgb, var(--c) calc(var(--glow) * 100%), transparent);
}
.tile .t-unit { font-size: .9rem; font-weight: 600; color: var(--muted); margin-left: 6px; letter-spacing: 0; text-shadow: none; }
.tile .t-sub { font-size: .85rem; color: var(--muted); margin-top: 6px; font-variant-numeric: tabular-nums; }
.tile.wide { grid-column: span 2; }
.c-solar { --c: var(--solar); } .c-charge { --c: var(--charge); } .c-discharge { --c: var(--discharge); }
.c-import { --c: var(--import); } .c-export { --c: var(--export); } .c-home { --c: var(--home); }
.c-accent { --c: var(--accent); }

/* Panel-Minibalken in der Solar-Kachel */
.pv-bars { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 10px; align-items: center; margin-top: 10px; font-size: .8rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.pv-bars .bar { height: 6px; border-radius: 3px; background: var(--grid); overflow: hidden; }
.pv-bars .bar i { display: block; height: 100%; border-radius: 3px; background: var(--solar); box-shadow: 0 0 8px color-mix(in srgb, var(--solar) 60%, transparent); transform-origin: left; transform: scaleX(var(--p)); transition: transform .8s ease; }

/* Autarkie-Ring (conic-gradient, statisch) */
.ring-mini {
  position: absolute; right: 16px; bottom: 16px; width: 46px; height: 46px; border-radius: 50%;
  background: conic-gradient(var(--c) calc(var(--p) * 1%), var(--grid) 0);
  -webkit-mask: radial-gradient(circle, transparent 15px, #000 16px);
  mask: radial-gradient(circle, transparent 15px, #000 16px);
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--c) 50%, transparent));
}

.empty { text-align: center; color: var(--muted); padding: 32px 16px; margin: 0; }
.empty::before {
  content: ""; display: block; width: 44px; height: 44px; margin: 0 auto 10px; border-radius: 50%;
  background: radial-gradient(circle, var(--solar) 0 30%, color-mix(in srgb, var(--solar) 25%, transparent) 31% 55%, transparent 56%);
  filter: drop-shadow(0 0 12px color-mix(in srgb, var(--solar) 60%, transparent));
}
.warn, .hint { background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: var(--r-md); padding: 9px 14px; margin: 0 0 10px; }
.hint { margin-top: 14px; }
.msg { min-height: 1.3em; margin: 10px 0 0; }
.msg.err { color: var(--err); } .msg.ok { color: var(--ok); }

/* ----- Formulare ----- */
label { display: grid; gap: 6px; font-size: .85rem; font-weight: 600; color: var(--muted); }
input {
  font: inherit; font-size: 1rem; color: var(--text); background: var(--field); border: 1px solid var(--glass-border);
  border-radius: var(--r-sm); padding: 9px 12px; min-height: 44px; transition: border-color .2s, box-shadow .2s;
}
input:focus-visible { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 30%, transparent); }
input[type="date"] { color-scheme: inherit; font-variant-numeric: tabular-nums; }
.btn {
  font: inherit; font-weight: 650; cursor: pointer; border-radius: var(--r-sm); padding: 9px 18px; min-height: 44px;
  background: var(--field); color: var(--text); border: 1px solid var(--glass-border);
  transition: border-color .2s, box-shadow .2s, transform .1s;
}
.btn:hover { border-color: var(--accent); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .4; cursor: default; }
.btn.primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 100%, #fff 12%), var(--accent));
  border-color: transparent; color: var(--on-accent);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--accent) calc(var(--glow) * 70%), transparent);
}
.btn.block { width: 100%; }
.btn.icon { width: 44px; padding: 0; font-size: 1.3rem; line-height: 1; }
.btn.small { min-height: 34px; padding: 4px 12px; font-size: .9rem; }
.btn.danger { color: var(--err); }
.btn.danger:hover { border-color: var(--err); }
.form-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: end; margin-top: 16px; }
.form-row label { flex: 1 1 180px; }
.form-col { display: grid; gap: 12px; }
.form-col .btn { justify-self: start; }

/* ----- Login ----- */
.login { max-width: 400px; width: 100%; margin: 10vh auto 0; text-align: center; border-radius: 28px; padding: 34px 30px 30px; }
.login-logo { display: inline-grid; filter: drop-shadow(0 0 22px rgba(255, 194, 75, var(--glow))); }
.login-logo img { border-radius: 16px; }
.login h1 { margin: 14px 0 2px; font-size: 1.5rem; font-weight: 650; }
.login form { display: grid; gap: 14px; text-align: left; margin-top: 22px; }
.login .msg { color: var(--err); margin: 0; }

/* ----- Energiefluss ----- */
#flow { width: 100%; height: auto; display: block; max-height: 440px; overflow: visible; }
#flow .orb { fill: var(--field); stroke: var(--glass-border); stroke-width: 1.2; }
#flow .cap { fill: var(--muted); font-size: 13px; font-weight: 600; }
#flow .val { fill: var(--text); font-size: 19px; font-weight: 600; font-variant-numeric: tabular-nums; }
#flow .val.big { font-size: 24px; font-weight: 300; }
#flow .ico { fill: none; stroke: var(--c, var(--muted)); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
#flow .n-solar { --c: var(--solar); } #flow .n-home { --c: var(--home); } #flow .n-grid { --c: var(--muted); }
#flow .n-solar .val { fill: var(--solar); filter: drop-shadow(0 0 6px color-mix(in srgb, var(--solar) calc(var(--glow) * 100%), transparent)); }
#flow .n-solar .orb { stroke: color-mix(in srgb, var(--solar) 45%, transparent); }
#flow .val.import { fill: var(--import); } #flow .val.export { fill: var(--export); }
#flow .panel rect { fill: color-mix(in srgb, var(--discharge) 12%, var(--field)); stroke: color-mix(in srgb, var(--solar) 55%, transparent); stroke-width: 1.2; }
#flow .panel path { stroke: color-mix(in srgb, var(--discharge) 22%, transparent); stroke-width: 1; fill: none; }
#flow .panel text { fill: var(--text); font-size: 13px; font-weight: 600; font-variant-numeric: tabular-nums; }
#flow .panel .pn { fill: var(--muted); font-size: 10px; font-weight: 500; }
#flow .ring-trk { fill: none; stroke: var(--grid); stroke-width: 7; }
#flow .ring {
  fill: none; stroke: var(--c, var(--soc)); stroke-width: 7; stroke-linecap: round;
  stroke-dasharray: 339.3; stroke-dashoffset: 339.3;
  filter: url(#glow); transition: stroke-dashoffset 1.2s ease, stroke .4s;
}
#flow .lbl { font-size: 13px; font-weight: 700; fill: var(--c, var(--muted)); font-variant-numeric: tabular-nums; }
#flow .trk { fill: none; stroke: var(--c, var(--grid)); stroke-linecap: round; stroke-width: 6; opacity: .16; transition: stroke-width .4s; }
#flow .trk:not(.on) { stroke: var(--grid); opacity: 1; }
#flow .ln {
  fill: none; stroke: var(--c, transparent); stroke-linecap: round; stroke-width: 6;
  stroke-dasharray: 0.1 23.9; opacity: 0; transition: stroke-width .4s, opacity .4s;
}
#flow .ln.on { opacity: 1; filter: url(#glow); animation: flow 1.5s linear infinite; }
#flow .ln.rev { animation-direction: reverse; }
#flow .solar { --c: var(--solar); } #flow .home { --c: var(--home); }
#flow .charge { --c: var(--charge); } #flow .discharge { --c: var(--discharge); }
#flow .import { --c: var(--import); } #flow .export { --c: var(--export); }
@keyframes flow { to { stroke-dashoffset: -24; } }

/* ----- Diagramme ----- */
.chart { width: 100%; height: 300px; }
.chart.tall { height: 380px; }
.day-nav { display: flex; align-items: center; gap: 6px; }

/* ----- Verlauf ----- */
.range-card { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; padding: 14px 16px; }
.seg { display: inline-flex; background: var(--field); border: 1px solid var(--glass-border); border-radius: 14px; padding: 4px; }
.seg button {
  font: inherit; font-weight: 650; border: 0; background: none; color: var(--muted);
  padding: 8px 18px; border-radius: 10px; cursor: pointer; min-height: 40px; transition: color .2s, background-color .2s;
}
.seg button:hover { color: var(--text); }
.seg button[aria-pressed="true"] {
  background: var(--accent); color: var(--on-accent);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--accent) calc(var(--glow) * 80%), transparent);
}
.range-dates { display: flex; gap: 12px; }
.range-dates label { grid-auto-flow: column; align-items: center; gap: 8px; }
#hist-body { display: grid; gap: 22px; }

.table-wrap { overflow: auto; max-height: 480px; border-radius: var(--r-md); }
table.data { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: .92rem; }
table.data th, table.data td { padding: 9px 12px; text-align: right; white-space: nowrap; border-bottom: 1px solid var(--grid); }
table.data th:first-child, table.data td:first-child { text-align: left; }
table.data thead th { position: sticky; top: 0; background: var(--glass-solid); color: var(--muted); font-weight: 600; font-size: .8rem; z-index: 1; }
table.data tbody th { font-weight: 500; }
table.data tbody tr { transition: background-color .15s; }
table.data tbody tr:hover { background: color-mix(in srgb, var(--accent) 8%, transparent); }
td.na { color: var(--muted); }

/* ----- Einstellungen ----- */
.settings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; align-items: start; }
.settings .span-2 { grid-column: span 2; }
.stack { display: grid; gap: 22px; }
.status { display: grid; grid-template-columns: max-content 1fr; gap: 10px 16px; margin: 0; }
.status dt { color: var(--muted); font-weight: 600; }
.status dd { margin: 0; overflow-wrap: anywhere; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 12px; border-radius: 99px; font-weight: 700; font-size: .85rem; }
.badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 8px currentColor; }
.badge.ok { background: color-mix(in srgb, var(--ok) 16%, transparent); color: var(--ok); }
.badge.bad { background: color-mix(in srgb, var(--err) 16%, transparent); color: var(--err); }

/* ----- Responsiv ----- */
@media (max-width: 960px) {
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .settings { grid-template-columns: 1fr; }
  .settings .span-2 { grid-column: auto; }
}
@media (max-width: 640px) {
  .topbar { top: 0; margin: 0; border-radius: 0 0 18px 18px; padding: 8px 12px; }
  .brand span { font-size: .95rem; }
  .icon-btn { margin-left: auto; }
  /* Navigation als untere Tab-Leiste */
  .tabbar {
    position: fixed; z-index: 15; left: 10px; right: 10px; bottom: calc(10px + env(safe-area-inset-bottom));
    margin: 0; padding: 6px; justify-content: space-around; border-radius: 20px;
    background: var(--glass); border: 1px solid var(--glass-border); box-shadow: var(--shadow), inset 0 1px 0 var(--glass-hi);
    -webkit-backdrop-filter: blur(20px) saturate(150%); backdrop-filter: blur(20px) saturate(150%);
  }
  .tabbar a { flex: 1; flex-direction: column; gap: 2px; padding: 6px 4px; font-size: .72rem; text-align: center; }
  .tabbar a .i { width: 22px; height: 22px; }
  main { padding: 16px 12px calc(96px + env(safe-area-inset-bottom)); gap: 16px; }
  .card { padding: 16px; border-radius: 20px; }
  .tiles { gap: 10px; }
  .tile { padding: 14px; border-radius: 18px; }
  .tile .t-value { font-size: 1.6rem; }
  .tile .t-ico { width: 28px; height: 28px; }
  .tile .t-label { font-size: .8rem; }
  .ring-mini { width: 38px; height: 38px; right: 12px; bottom: 12px; -webkit-mask: radial-gradient(circle, transparent 12px, #000 13px); mask: radial-gradient(circle, transparent 12px, #000 13px); }
  .chart.tall { height: 320px; }
  table.data th, table.data td { padding: 8px; }
  table.data thead th { white-space: normal; vertical-align: bottom; }
  .seg { width: 100%; } .seg button { flex: 1; padding: 8px 4px; }
  .range-dates { width: 100%; } .range-dates label { flex: 1; grid-auto-flow: row; }
  .range-dates input { width: 100%; }
  .login { margin-top: 6vh; padding: 28px 20px 24px; }
  #flow .val { font-size: 23px; } #flow .val.big { font-size: 28px; } #flow .cap { font-size: 15px; }
  #flow .panel text { font-size: 15px; } #flow .panel .pn { font-size: 12px; } #flow .lbl { font-size: 14px; }
  /* Handy: Hintergrund steht still, damit die Glasflächen nicht dauernd neu geblurrt werden */
  .bg i { animation: none; }
}
@media (prefers-reduced-motion: reduce) {
  .bg i, .live-dot { animation: none; }
  #flow .ln.on { animation: none; stroke-dasharray: none; opacity: .9; }
  .tile, .tile:hover { transition: none; transform: none; }
  * { scroll-behavior: auto; }
}