:root {
  --ink: #e8f4f2;
  --muted: #9db8b4;
  --deep: #04161a;
  --mid: #0a2e36;
  --teal: #1fa6a0;
  --teal-bright: #3fd0c7;
  --sand: #d9b56a;
  --alarm: #ff6b5a;
  --warn: #e6b84d;
  --ok: #4fd1a5;
  --glass: rgba(8, 36, 42, 0.55);
  --line: rgba(63, 208, 199, 0.18);
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--deep);
  line-height: 1.45;
}

.ambient {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1200px 700px at 10% -10%, rgba(31, 166, 160, 0.28), transparent 55%),
    radial-gradient(900px 600px at 90% 0%, rgba(217, 181, 106, 0.14), transparent 50%),
    radial-gradient(800px 500px at 50% 110%, rgba(63, 208, 199, 0.12), transparent 55%),
    linear-gradient(165deg, #031116 0%, #0a2a32 45%, #061c22 100%);
  animation: wash 18s ease-in-out infinite alternate;
}

@keyframes wash {
  from { filter: hue-rotate(0deg) saturate(1); }
  to { filter: hue-rotate(12deg) saturate(1.08); }
}

.brand-mark {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.95;
  color: var(--teal-bright);
  text-shadow: 0 0 40px rgba(63, 208, 199, 0.25);
}

h1 {
  margin: 0.15rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 500;
  color: var(--ink);
}

h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 0.75rem;
  animation: rise 0.7s ease both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

.status-block {
  text-align: right;
  display: grid;
  gap: 0.35rem;
  justify-items: end;
}

.meta-line {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--muted);
  font-size: 0.92rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  background: var(--glass);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.pill::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--muted);
}

.pill-online::before { background: var(--ok); box-shadow: 0 0 10px var(--ok); }
.pill-offline::before { background: var(--alarm); box-shadow: 0 0 10px var(--alarm); }
.pill-stale::before { background: var(--warn); box-shadow: 0 0 10px var(--warn); }
.pill-unknown::before { background: var(--muted); }

.logout {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 1px solid transparent;
}
.logout:hover { color: var(--teal-bright); border-color: var(--teal-bright); }

main {
  padding: 0.5rem clamp(1rem, 4vw, 2.5rem) 2.5rem;
  display: grid;
  gap: 1.25rem;
}

.hero-probes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.9rem;
  animation: rise 0.85s ease both;
}

.probe-card {
  padding: 1.1rem 1rem 1rem;
  background: linear-gradient(160deg, rgba(15, 58, 66, 0.75), rgba(6, 28, 34, 0.65));
  border-top: 2px solid rgba(63, 208, 199, 0.45);
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.probe-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(63, 208, 199, 0.18), transparent 70%);
  pointer-events: none;
}

.probe-card:hover { transform: translateY(-2px); }

.probe-card .label {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.probe-card .value {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.probe-card .unit {
  margin-left: 0.25rem;
  font-size: 0.95rem;
  color: var(--muted);
  font-family: var(--font-body);
  font-weight: 500;
}

.probe-card.state-alarm { border-top-color: var(--alarm); }
.probe-card.state-warn { border-top-color: var(--warn); }
.probe-card.state-ok { border-top-color: var(--teal-bright); }

.probe-card .spark {
  display: block;
  width: 100%;
  height: 28px;
  margin-top: 0.7rem;
  color: var(--teal-bright);
  opacity: 0.85;
}
.probe-card.state-alarm .spark { color: var(--alarm); }
.probe-card.state-warn .spark { color: var(--warn); }

.nav-row {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}
.nav-link {
  color: var(--teal-bright);
  text-decoration: none;
  font-size: 0.85rem;
  border-bottom: 1px solid transparent;
}
.nav-link:hover { border-color: var(--teal-bright); }

.alarms-panel {
  border-color: rgba(255, 107, 90, 0.4);
  background: rgba(80, 20, 16, 0.45);
}
.stale-panel {
  border-color: rgba(230, 184, 77, 0.45);
  background: rgba(60, 45, 10, 0.4);
}
.stale-line {
  margin: 0.5rem 0 0;
  color: var(--warn);
  font-size: 0.95rem;
}
.power-panel {
  border-color: rgba(217, 181, 106, 0.35);
}
.power-line {
  margin: 0.5rem 0 0;
  color: var(--sand);
  font-size: 0.95rem;
}
.check-row {
  display: flex !important;
  align-items: center;
  gap: 0.55rem;
  grid-template-columns: none !important;
}
.check-row input { width: auto; }
.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.btn-secondary {
  background: transparent !important;
  border: 1px solid var(--line) !important;
  color: var(--ink) !important;
}
.btn-secondary:hover {
  border-color: var(--teal-bright) !important;
  color: var(--teal-bright) !important;
}

.chips,
.probe-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.chip {
  display: inline-flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 7.5rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  background: rgba(2, 18, 22, 0.45);
}

.chip-name {
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  max-width: 10rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip-val {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.out-chip.chip-on { border-color: rgba(79, 209, 165, 0.5); }
.out-chip.chip-on .chip-val { color: var(--ok); }
.out-chip.chip-off .chip-val { color: var(--muted); }
.out-chip.chip-auto { border-color: rgba(63, 208, 199, 0.4); }
.out-chip.chip-auto .chip-val { color: var(--teal-bright); }

.probe-chip.state-alarm { border-color: rgba(255, 107, 90, 0.45); }
.probe-chip.state-warn { border-color: rgba(230, 184, 77, 0.45); }
.probe-chip.state-ok { border-color: rgba(63, 208, 199, 0.35); }

.soft-panel {
  cursor: default;
}
.soft-panel summary {
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--muted);
  list-style: none;
}
.soft-panel summary::-webkit-details-marker { display: none; }
.soft-panel[open] summary { margin-bottom: 0.75rem; color: var(--ink); }

.desktop-only { display: block; }
.probe-chips { display: none; }

.tank-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.7rem;
  margin-top: 0.35rem;
}
.tank-card {
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  background: rgba(2, 18, 22, 0.5);
}
.tank-card .k {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tank-card .v {
  margin: 0.25rem 0 0;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
}
.tank-card.state-alarm .v { color: var(--alarm); }
.tank-card.state-warn .v { color: var(--warn); }
.tank-card.state-ok .v { color: var(--teal-bright); }

.control-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.55rem;
}
.ctrl-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(2, 18, 22, 0.55);
  color: var(--ink);
  font: inherit;
  font-size: 0.78rem;
  padding: 0.35rem 0.55rem;
  cursor: pointer;
}
.ctrl-btn:hover { border-color: var(--teal-bright); color: var(--teal-bright); }
.ctrl-btn:disabled { opacity: 0.45; cursor: not-allowed; }

.out-chip .chip-watts {
  font-size: 0.75rem;
  color: var(--sand);
}
.out-controls {
  display: flex;
  gap: 0.25rem;
  margin-top: 0.3rem;
}
.out-controls select {
  font: inherit;
  font-size: 0.75rem;
  background: rgba(2, 14, 18, 0.7);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 0.2rem 0.3rem;
}

.hero-checks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.45rem;
}

.toolbar-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.redsea-panel {
  border-color: rgba(63, 208, 199, 0.35);
}

.redsea-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-top: 0.35rem;
  min-height: 4rem;
}

.redsea-card {
  padding: 0.9rem 0.95rem;
  border: 1px solid var(--line);
  background: rgba(2, 18, 22, 0.45);
  display: grid;
  gap: 0.55rem;
}

.redsea-card header {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: baseline;
}

.redsea-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 500;
}

.redsea-card .rs-model {
  color: var(--muted);
  font-size: 0.8rem;
}

.redsea-metrics {
  display: grid;
  gap: 0.35rem;
}

.rs-metric {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.92rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 0.25rem;
}

.rs-metric .k { color: var(--muted); }
.rs-metric .v { font-family: var(--font-display); font-weight: 600; }
.rs-metric.state-alarm .v { color: var(--alarm); }
.rs-metric.state-warn .v { color: var(--warn); }
.rs-metric.state-ok .v { color: var(--teal-bright); }

.redsea-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.settings-main {
  padding: 0.5rem clamp(1rem, 4vw, 2.5rem) 2.5rem;
  display: grid;
  gap: 1.25rem;
  max-width: 960px;
}

.settings-form {
  display: grid;
  gap: 1rem;
  margin-top: 0.75rem;
}

.threshold-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
}

.threshold-card {
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  display: grid;
  gap: 0.5rem;
}

.threshold-card legend {
  padding: 0 0.35rem;
  color: var(--teal-bright);
  font-family: var(--font-display);
}

.settings-form label {
  display: grid;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.settings-form input {
  font: inherit;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  background: rgba(2, 14, 18, 0.65);
  color: var(--ink);
}

.settings-form button,
.password-form button {
  justify-self: start;
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 1rem;
  border: 0;
  background: linear-gradient(135deg, var(--teal), #167f7b);
  color: #031116;
  cursor: pointer;
}

.password-form {
  max-width: 360px;
}

.flash {
  margin: 0;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
}
.flash.ok {
  border-color: rgba(79, 209, 165, 0.4);
  color: var(--ok);
  background: rgba(20, 60, 48, 0.4);
}
.flash.err {
  border-color: rgba(255, 107, 90, 0.4);
  color: #ffb2a8;
  background: rgba(80, 20, 16, 0.4);
}

.panel {
  background: var(--glass);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem 1.15rem;
  animation: rise 1s ease both;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.range-tabs { display: flex; gap: 0.35rem; }

.range-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.85rem;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}
.range-btn.is-active,
.range-btn:hover {
  color: var(--deep);
  background: var(--teal-bright);
  border-color: var(--teal-bright);
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.chart-box {
  position: relative;
  min-width: 0;
}

.chart-box h3 {
  margin: 0 0 0.4rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
}

.chart-box .chart-canvas-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  max-height: 220px;
  overflow: hidden;
  contain: strict;
}

.chart-box canvas {
  display: block;
  width: 100% !important;
  height: 220px !important;
  max-height: 220px !important;
}

.hint {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.table-wrap { overflow-x: auto; margin-top: 0.75rem; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge {
  display: inline-block;
  min-width: 2.5rem;
  text-align: center;
  padding: 0.15rem 0.45rem;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  color: var(--muted);
}

.badge-on { color: var(--ok); border-color: rgba(79, 209, 165, 0.45); }
.badge-off { color: var(--muted); }
.badge-auto { color: var(--teal-bright); border-color: rgba(63, 208, 199, 0.4); }
.badge-alarm { color: var(--alarm); border-color: rgba(255, 107, 90, 0.45); }
.badge-warn { color: var(--warn); border-color: rgba(230, 184, 77, 0.45); }

.alarms-panel ul {
  margin: 0.6rem 0 0;
  padding-left: 1.1rem;
  color: var(--alarm);
}

.foot {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.8rem;
  padding-top: 0.25rem;
}

/* Login */
.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(31, 166, 160, 0.3), transparent 55%),
    radial-gradient(700px 400px at 90% 80%, rgba(217, 181, 106, 0.12), transparent 50%),
    linear-gradient(165deg, #031116, #0a2a32 55%, #04161a);
}

.login-shell {
  width: min(420px, 100%);
  display: grid;
  gap: 1.5rem;
  animation: rise 0.7s ease both;
}

.login-brand h1 { font-size: 1.5rem; }
.login-tag { margin: 0.4rem 0 0; color: var(--muted); }

.login-form {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem;
  background: rgba(8, 36, 42, 0.7);
  border: 1px solid var(--line);
}

.login-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.login-form input {
  font: inherit;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  background: rgba(2, 14, 18, 0.65);
  color: var(--ink);
}

.login-form input:focus {
  outline: 2px solid rgba(63, 208, 199, 0.45);
  outline-offset: 1px;
}

.login-form button {
  margin-top: 0.25rem;
  font: inherit;
  font-weight: 600;
  padding: 0.8rem 1rem;
  border: 0;
  background: linear-gradient(135deg, var(--teal), #167f7b);
  color: #031116;
  cursor: pointer;
}

.login-form button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.form-error {
  margin: 0;
  padding: 0.65rem 0.75rem;
  background: rgba(255, 107, 90, 0.12);
  border: 1px solid rgba(255, 107, 90, 0.35);
  color: #ffb2a8;
  font-size: 0.9rem;
}

.form-error code {
  font-size: 0.85em;
  color: var(--sand);
}

@media (max-width: 800px) {
  .top {
    flex-direction: column;
    align-items: stretch;
  }
  .status-block {
    justify-items: start;
    text-align: left;
  }
  .meta-line { justify-content: flex-start; }
  .split { grid-template-columns: 1fr; }
  .desktop-only { display: none; }
  .probe-chips { display: flex; }
  .chip { min-width: calc(50% - 0.35rem); flex: 1 1 calc(50% - 0.35rem); }
  .hero-probes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}