/* Wasserwaage — Werkstatt-Look, Werkzeug-Gelb + Anthrazit */
:root {
  --yellow: #eab308;
  --yellow-bright: #facc15;
  --yellow-deep: #a16207;
  --green: #22c55e;
  --green-deep: #15803d;
  --red: #ef4444;

  /* Dunkelmodus (Default-Werkstatt-Look) */
  --bg: #16181d;
  --bg-2: #1f2227;
  --bg-3: #2a2d34;
  --surface: #21242b;
  --surface-edge: #353a43;
  --text: #f4f4f3;
  --text-dim: #a9adb6;
  --shadow: rgba(0, 0, 0, 0.45);
  --vial-glass: #14161a;
  --vial-fluid: rgba(234, 179, 8, 0.14);

  --radius: 16px;
  --radius-sm: 10px;
  --tap: 48px;
  --maxw: 560px;
}

[data-theme="light"] {
  --bg: #f1ece1;
  --bg-2: #e6dfd0;
  --bg-3: #ffffff;
  --surface: #ffffff;
  --surface-edge: #d8cfbb;
  --text: #1f2227;
  --text-dim: #5b6068;
  --shadow: rgba(60, 50, 20, 0.18);
  --vial-glass: #2a2d34;
  --vial-fluid: rgba(234, 179, 8, 0.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(circle at 20% 0%, rgba(234, 179, 8, 0.08), transparent 40%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--yellow);
  color: #1f2227;
  padding: 10px 14px;
  border-radius: 0 0 var(--radius-sm) 0;
  z-index: 100;
  font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  border-bottom: 3px solid var(--yellow);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  background: var(--bg-2);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius-sm);
  flex: none;
}
.brand-text { min-width: 0; }
.brand h1 {
  margin: 0;
  font-size: 1.25rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  font-weight: 800;
}
.brand-sub {
  margin: 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.header-actions { display: flex; gap: 8px; flex: none; }
.icon-btn {
  width: var(--tap); height: var(--tap);
  display: grid; place-items: center;
  background: var(--bg-2);
  color: var(--text);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.icon-btn:hover { background: var(--bg-3); }
.icon-btn:active { transform: scale(0.94); }

.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

/* ---------- Main ---------- */
.app-main {
  flex: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ---------- Notice ---------- */
.notice {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--bg-2);
  border: 1px solid var(--yellow-deep);
  border-left: 4px solid var(--yellow);
  border-radius: var(--radius-sm);
  padding: 14px;
}
.notice-icon {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--yellow);
  color: #1f2227;
  font-weight: 900;
  display: grid; place-items: center;
}
.notice-body { min-width: 0; }
.notice-body p { margin: 0 0 8px; font-size: 0.92rem; overflow-wrap: anywhere; }

/* ---------- Modus-Umschalter ---------- */
.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: var(--bg-2);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius);
  padding: 6px;
}
.mode-btn {
  min-height: var(--tap);
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s, color 0.15s;
}
.mode-ico { font-size: 1.2rem; line-height: 1; }
.mode-btn.is-active {
  background: var(--yellow);
  color: #1f2227;
  box-shadow: 0 2px 8px var(--shadow);
}

/* ---------- Bubble-Karte ---------- */
.bubble-card {
  background:
    repeating-linear-gradient(45deg, transparent 0 22px, rgba(234,179,8,0.025) 22px 44px),
    var(--surface);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius);
  padding: 22px 18px 18px;
  box-shadow: 0 6px 20px var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.vials { width: 100%; display: flex; justify-content: center; }

/* 2D Kreislibelle */
.vial-2d {
  position: relative;
  width: min(78vw, 300px);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, var(--vial-fluid), transparent 70%),
    var(--vial-glass);
  border: 3px solid var(--surface-edge);
  box-shadow: inset 0 4px 18px rgba(0,0,0,0.5);
  overflow: hidden;
}
.ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
}
.ring-outer {
  width: 64%; height: 64%;
  border: 2px dashed rgba(168, 173, 182, 0.4);
}
.ring-inner {
  width: 26%; height: 26%;
  border: 2px solid var(--yellow);
  box-shadow: 0 0 0 1px rgba(0,0,0,0.3) inset;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ring-inner.is-level {
  border-color: var(--green);
  box-shadow: 0 0 14px var(--green);
}
.cross-h, .cross-v {
  position: absolute;
  background: rgba(168, 173, 182, 0.3);
  pointer-events: none;
}
.cross-h { top: 50%; left: 8%; right: 8%; height: 1px; transform: translateY(-50%); }
.cross-v { left: 50%; top: 8%; bottom: 8%; width: 1px; transform: translateX(-50%); }

/* 1D Röhrenlibelle */
.vial-1d {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 20px 0;
}
.tube {
  position: relative;
  width: min(86vw, 360px);
  height: 92px;
  border-radius: 46px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), transparent 40%),
    var(--vial-glass);
  border: 3px solid var(--surface-edge);
  box-shadow: inset 0 4px 16px rgba(0,0,0,0.5);
  overflow: hidden;
}
.tube-mark {
  position: absolute;
  top: 10px; bottom: 10px;
  width: 2px;
  background: var(--yellow);
  opacity: 0.85;
}
.tube-mark:nth-of-type(1) { left: calc(50% - 46px); }
.tube-mark:nth-of-type(2) { left: calc(50% + 44px); }

/* Blasen */
.bubble {
  position: absolute;
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 32%, rgba(255,255,255,0.85), transparent 45%),
    radial-gradient(circle at 50% 55%, #fde68a, #eab308);
  border: 1.5px solid rgba(161, 98, 4, 0.6);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  will-change: transform;
}
.bubble.is-level {
  background:
    radial-gradient(circle at 38% 32%, rgba(255,255,255,0.9), transparent 45%),
    radial-gradient(circle at 50% 55%, #86efac, var(--green));
  border-color: var(--green-deep);
  box-shadow: 0 0 16px var(--green);
}
.bubble-2d {
  width: 22%; height: 22%;
  top: 50%; left: 50%;
  margin: -11% 0 0 -11%;
}
.bubble-1d {
  width: 78px; height: 78px;
  top: 50%; left: 50%;
  margin: -39px 0 0 -39px;
}

.level-state {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: center;
  color: var(--text-dim);
  min-height: 1.4em;
}
.level-state.is-level { color: var(--green); }

/* ---------- Readout ---------- */
.readout {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 8px;
  align-items: stretch;
}
.readout-item {
  background: var(--bg-2);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius-sm);
  padding: 12px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
  justify-content: center;
}
.readout-main {
  background: var(--bg-3);
  border-color: var(--yellow-deep);
}
.readout-label {
  font-size: 0.66rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-dim);
}
.readout-val {
  font-size: 1.45rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--yellow-bright);
}
.readout-main .readout-val { font-size: 1.8rem; }

/* ---------- Controls ---------- */
.controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.btn {
  min-height: var(--tap);
  border-radius: var(--radius-sm);
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  transition: transform 0.1s, filter 0.15s, background 0.15s;
  width: 100%;
  font-family: inherit;
}
.btn:active { transform: scale(0.98); }
.btn-solid {
  background: var(--yellow);
  color: #1f2227;
  box-shadow: 0 3px 10px var(--shadow);
}
.btn-solid:hover { filter: brightness(1.06); }
.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border-color: var(--surface-edge);
}
.btn-ghost:hover { background: var(--bg-2); color: var(--text); }

.hold-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px 2px;
  font-size: 0.92rem;
  color: var(--text-dim);
  cursor: pointer;
}
.hold-toggle input {
  width: 20px; height: 20px;
  accent-color: var(--yellow);
  cursor: pointer;
}

/* ---------- Tips ---------- */
.tips details {
  background: var(--bg-2);
  border: 1px solid var(--surface-edge);
  border-radius: var(--radius-sm);
  padding: 4px 14px;
}
.tips summary {
  cursor: pointer;
  font-weight: 700;
  padding: 10px 0;
  list-style: none;
}
.tips summary::-webkit-details-marker { display: none; }
.tips summary::before { content: "▸ "; color: var(--yellow); }
.tips details[open] summary::before { content: "▾ "; }
.tips ul {
  margin: 0 0 12px;
  padding-left: 20px;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.tips li { margin-bottom: 8px; overflow-wrap: anywhere; }

/* ---------- Footer ---------- */
.app-footer {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--surface-edge);
  font-size: 0.74rem;
  color: var(--text-dim);
}
.badge {
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.72rem;
}
.badge-ok { background: rgba(34,197,94,0.18); color: var(--green); }
.badge-wait { background: rgba(234,179,8,0.18); color: var(--yellow); }
.badge-off { background: rgba(239,68,68,0.18); color: var(--red); }
.foot-note { overflow-wrap: anywhere; }

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(20px);
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--yellow);
  border-radius: var(--radius-sm);
  padding: 12px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 8px 24px var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 200;
  max-width: calc(100vw - 32px);
  text-align: center;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Focus ---------- */
:focus-visible {
  outline: 3px solid var(--yellow-bright);
  outline-offset: 2px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

@media (max-width: 360px) {
  .readout-val { font-size: 1.2rem; }
  .readout-main .readout-val { font-size: 1.5rem; }
  .brand h1 { font-size: 1.1rem; }
}