:root {
  --bg: #071018;
  --bg-2: #0b1822;
  --bg-3: #0f2231;
  --card: rgba(15, 29, 42, 0.9);
  --card-2: rgba(20, 37, 53, 0.94);
  --card-3: rgba(11, 22, 33, 0.82);
  --line: rgba(80, 110, 136, 0.42);
  --line-soft: rgba(66, 95, 120, 0.26);
  --txt: #ebf3fb;
  --muted: #9db4cb;
  --accent: #3dd5b5;
  --accent-2: #46b8ff;
  --ok: #22c55e;
  --warn: #f97316;
  --err: #ef4444;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--txt);
  font-family: "Avenir Next", "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(circle at 8% 8%, rgba(70, 184, 255, 0.15), transparent 28%),
    radial-gradient(circle at 88% 14%, rgba(61, 213, 181, 0.12), transparent 30%),
    linear-gradient(145deg, var(--bg), var(--bg-2));
}

body {
  overflow-x: hidden;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 75% 90%, rgba(19, 84, 121, 0.34), transparent 40%),
    linear-gradient(180deg, rgba(7, 16, 24, 0), rgba(7, 16, 24, 0.35));
}

.hidden {
  display: none !important;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1560px, calc(100vw - 24px));
  margin: 0 auto;
  padding: 14px 0 28px;
  display: grid;
  grid-template-columns: 278px minmax(0, 1fr);
  gap: 14px;
}

.app-sidebar {
  position: sticky;
  top: 14px;
  align-self: start;
  display: grid;
  gap: 12px;
}

.sidebar-card,
.hero,
.card {
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.sidebar-card {
  background: linear-gradient(180deg, rgba(10, 21, 31, 0.94), rgba(14, 27, 40, 0.9));
  padding: 14px;
}

.sidebar-brand h1 {
  margin: 4px 0 6px;
  font-size: 1.4rem;
}

.sidebar-copy,
.hero-copy,
.section-copy,
.context-block-head p,
.sidebar-group-title,
.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 0.83rem;
  line-height: 1.45;
}

.sidebar-nav {
  display: grid;
  gap: 16px;
}

.sidebar-group {
  display: grid;
  gap: 8px;
}

.sidebar-group-title {
  font-size: 0.72rem;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
}

.nav-link {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 11px 12px;
  background: linear-gradient(180deg, rgba(13, 24, 35, 0.88), rgba(10, 19, 28, 0.82));
  color: var(--txt);
  text-align: left;
}

.nav-link:hover {
  border-color: rgba(70, 184, 255, 0.35);
  transform: translateY(-1px);
}

.nav-link.active {
  background: linear-gradient(135deg, rgba(61, 213, 181, 0.18), rgba(70, 184, 255, 0.15));
  border-color: rgba(61, 213, 181, 0.55);
  box-shadow: inset 0 0 0 1px rgba(61, 213, 181, 0.2);
}

.nav-link-main {
  display: grid;
  gap: 2px;
}

.nav-link-main strong {
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-link-main small {
  color: var(--muted);
  font-size: 0.73rem;
  line-height: 1.35;
}

.nav-chip {
  flex: 0 0 auto;
  border-radius: 999px;
  border: 1px solid rgba(70, 184, 255, 0.3);
  background: rgba(70, 184, 255, 0.08);
  color: #d2ecff;
  padding: 4px 8px;
  font-size: 0.72rem;
  white-space: nowrap;
}

.app-main {
  min-width: 0;
  display: grid;
  gap: 14px;
}

.hero {
  background: linear-gradient(140deg, rgba(16, 31, 45, 0.94), rgba(12, 25, 37, 0.9));
  padding: 16px 18px;
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.hero-top h2 {
  margin: 4px 0 6px;
  font-size: 1.45rem;
}

.eyebrow {
  margin: 0;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.14rem;
  text-transform: uppercase;
}

.badges {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge,
.hint-pill {
  border-radius: 999px;
  border: 1px solid rgba(70, 184, 255, 0.24);
  padding: 5px 10px;
  font-size: 0.75rem;
  background: rgba(9, 18, 27, 0.72);
  color: #d7eafc;
}

.badge.ok {
  background: rgba(34, 197, 94, 0.14);
  border-color: rgba(34, 197, 94, 0.44);
}

.badge.err {
  background: rgba(239, 68, 68, 0.16);
  border-color: rgba(239, 68, 68, 0.46);
}

.badge.neutral,
.hint-pill {
  background: rgba(70, 184, 255, 0.1);
  border-color: rgba(70, 184, 255, 0.28);
  color: #d6eafb;
}

.card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  padding: 14px;
}

.card.compact {
  padding: 14px;
}

.section-title {
  display: grid;
  gap: 4px;
}

.section-title h2,
.context-card-head h3,
.context-block-head h4 {
  margin: 0;
}

.section-title h2 {
  font-size: 1.02rem;
}

.context-card {
  display: grid;
  gap: 14px;
}

.context-card-head h3 {
  margin-top: 4px;
  font-size: 1.08rem;
}

.context-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.context-block {
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(10, 21, 31, 0.62), rgba(11, 19, 28, 0.42));
}

.context-block-head {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
}

.selector-form {
  grid-template-columns: repeat(2, minmax(140px, 1fr));
}

.view-panel {
  display: grid;
  gap: 14px;
}

.view-grid {
  display: grid;
  gap: 14px;
}

.view-grid.two-col {
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
}

.inventory-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 8px;
}

.row.wrap {
  flex-wrap: wrap;
}

label {
  display: grid;
  gap: 5px;
  min-width: 110px;
  font-size: 0.76rem;
  color: var(--muted);
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 9px 10px;
  background: rgba(9, 19, 29, 0.92);
  color: var(--txt);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: rgba(61, 213, 181, 0.55);
  box-shadow: 0 0 0 3px rgba(61, 213, 181, 0.12);
}

textarea {
  resize: vertical;
}

.switchline {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.switchline input,
.day-chip input {
  width: auto;
  margin: 0;
}

.btn,
button {
  border: 1px solid transparent;
  border-radius: 11px;
  padding: 8px 11px;
  cursor: pointer;
  font-size: 0.82rem;
  transition: transform 120ms ease, filter 120ms ease, border-color 120ms ease;
}

button {
  background: rgba(17, 32, 48, 0.95);
  color: #d8ecff;
  border-color: rgba(86, 117, 145, 0.34);
}

.btn:hover,
button:hover {
  filter: brightness(1.08);
}

.btn:active,
button:active {
  transform: translateY(1px);
}

.btn.primary {
  background: linear-gradient(135deg, var(--accent), #25bba0);
  color: #05261c;
  border-color: rgba(61, 213, 181, 0.64);
}

.btn.ghost {
  background: rgba(17, 32, 48, 0.95);
  color: #d8ecff;
  border-color: rgba(86, 117, 145, 0.34);
}

.btn.danger {
  background: rgba(239, 68, 68, 0.16);
  color: #ffd1d1;
  border-color: rgba(239, 68, 68, 0.42);
}

.btn.open {
  background: rgba(34, 197, 94, 0.16);
  color: #d5ffdf;
  border-color: rgba(34, 197, 94, 0.42);
}

.btn.close {
  background: rgba(249, 115, 22, 0.18);
  color: #ffe0ca;
  border-color: rgba(249, 115, 22, 0.4);
}

.slot-form {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4, minmax(130px, 1fr));
}

.schedule-title {
  margin-top: 16px;
}

.days-picker {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.day-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 11px;
  background: rgba(10, 21, 31, 0.72);
  color: var(--muted);
  cursor: pointer;
  min-width: auto;
}

.day-chip.selected {
  color: #dffbf3;
  border-color: rgba(61, 213, 181, 0.58);
  background: rgba(61, 213, 181, 0.14);
}

.schedule-list,
.discovered-list {
  margin-top: 10px;
  display: grid;
  gap: 10px;
}

.schedule-item,
.transport-stream,
.status-tile,
.zone-card {
  border: 1px solid var(--line-soft);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(10, 20, 30, 0.78), rgba(11, 20, 29, 0.92));
}

.schedule-item {
  padding: 12px;
}

.schedule-item-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.schedule-item-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.schedule-item-meta {
  margin-top: 6px;
  color: var(--muted);
  font-size: 0.8rem;
}

.schedule-item-actions {
  margin-top: 9px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.status-grid {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.status-tile {
  padding: 10px;
}

.status-tile .k {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04rem;
}

.status-tile .v {
  margin-top: 5px;
  font-size: 0.94rem;
  font-weight: 700;
  word-break: break-word;
}

.zone-grid {
  margin-top: 10px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.zone-card {
  padding: 12px;
}

.zone-card.active {
  border-color: rgba(34, 197, 94, 0.55);
  box-shadow: inset 0 0 0 1px rgba(34, 197, 94, 0.18);
}

.zone-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.zone-name {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 700;
}

.zone-index {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.states-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.state-box {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 7px;
  background: rgba(14, 26, 39, 0.9);
}

.state-box .k {
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
}

.state-box .v {
  margin: 4px 0 0;
  font-size: 0.84rem;
  font-weight: 700;
}

.state-on {
  color: var(--ok);
}

.state-off {
  color: #fda4af;
}

.zone-actions {
  margin-top: 9px;
  display: flex;
  gap: 7px;
}

.transport-history {
  margin-top: 12px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.transport-stream {
  padding: 10px;
}

.transport-stream-head h3 {
  margin: 0 0 8px;
  font-size: 0.84rem;
  color: #deedf8;
}

.transport-row + .transport-row {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(157, 178, 200, 0.12);
}

.transport-row-title,
.transport-row-meta,
.transport-row-detail {
  margin: 0;
}

.transport-row-title {
  font-size: 0.76rem;
  font-weight: 700;
  word-break: break-word;
}

.transport-row-meta {
  margin-top: 4px;
  font-size: 0.74rem;
  color: var(--muted);
}

.transport-row-detail {
  margin-top: 4px;
  font-size: 0.72rem;
  color: #bfd3e7;
  word-break: break-word;
}

.codebox {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(7, 16, 24, 0.88);
  color: #d8e8f6;
  padding: 12px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  white-space: pre-wrap;
  overflow: auto;
}

details summary {
  cursor: pointer;
  color: var(--muted);
  margin-top: 10px;
}

.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(6, 12, 18, 0.8);
  backdrop-filter: blur(8px);
}

.auth-card {
  width: min(420px, 100%);
  display: grid;
  gap: 10px;
  padding: 20px;
  border-radius: 18px;
  border: 1px solid rgba(88, 117, 144, 0.36);
  background: linear-gradient(180deg, rgba(16, 29, 42, 0.96), rgba(12, 24, 36, 0.94));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.38);
}

.auth-card h2 {
  margin: 0;
  font-size: 1.24rem;
}

.auth-copy {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.auth-message {
  min-height: 1.2rem;
  margin: 0;
  color: #ffd3c4;
  font-size: 0.82rem;
}

@media (max-width: 1240px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    position: static;
  }

  .sidebar-nav {
    grid-template-columns: 1fr;
  }

  .context-grid,
  .view-grid.two-col,
  .inventory-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .app-shell {
    width: min(100vw, calc(100vw - 12px));
    padding-top: 10px;
  }

  .slot-form,
  .selector-form {
    grid-template-columns: repeat(2, minmax(130px, 1fr));
  }

  .hero-top {
    flex-direction: column;
    align-items: stretch;
  }

  .sidebar-group {
    gap: 7px;
  }
}

@media (max-width: 640px) {
  .app-shell {
    width: calc(100vw - 10px);
    padding-bottom: 18px;
  }

  .sidebar-card,
  .hero,
  .card {
    border-radius: 16px;
  }

  .slot-form,
  .selector-form {
    grid-template-columns: 1fr;
  }

  .row {
    flex-wrap: wrap;
  }

  .nav-link {
    padding: 10px 11px;
  }
}