:root {
  --bg: #f3efe6;
  --panel: #fffdf8;
  --panel-border: #d6c9b7;
  --text: #2b241c;
  --muted: #6f6559;
  --accent: #135d66;
  --accent-strong: #0d4348;
  --danger: #8f2d2a;
  --success: #295b2d;
  --shadow: rgba(32, 20, 8, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(19, 93, 102, 0.12), transparent 30%),
    linear-gradient(180deg, #f8f5ee 0%, var(--bg) 100%);
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  padding-bottom: 4rem;
}

a {
  color: var(--accent);
}

pre,
code,
table {
  font-family: "Courier New", monospace;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

.page-shell {
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid rgba(43, 36, 28, 0.12);
  background: rgba(255, 253, 248, 0.88);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.admin-nav,
.admin-main {
  min-width: 0;
}

.admin-nav-panel {
  padding: 1rem;
}

.admin-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.admin-nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.9rem 1rem;
  border-radius: 16px;
  border: 1px solid rgba(43, 36, 28, 0.09);
  background: rgba(255, 252, 246, 0.72);
  color: var(--text);
  text-decoration: none;
  transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.admin-nav-link:hover {
  transform: translateY(-1px);
  border-color: rgba(19, 93, 102, 0.24);
  background: rgba(19, 93, 102, 0.08);
}

.admin-nav-link.is-active {
  border-color: rgba(19, 93, 102, 0.3);
  background: linear-gradient(180deg, rgba(19, 93, 102, 0.14), rgba(19, 93, 102, 0.06));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.hero-compact {
  margin-bottom: 1rem;
}

.eyebrow {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.muted {
  color: var(--muted);
}

.compact {
  font-size: 0.85rem;
}

.metrics,
.grid-two,
.grid-three {
  display: grid;
  gap: 1rem;
}

.device-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(320px, 0.95fr);
  gap: 1.25rem;
  align-items: start;
}

.device-main,
.device-sidebar {
  min-width: 0;
}

.device-sidebar .panel {
  margin-bottom: 1rem;
}

.metrics {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 1.5rem;
}

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

.grid-three {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.metric-card,
.panel,
.login-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 20px;
  box-shadow: 0 18px 50px var(--shadow);
}

.metric-card {
  padding: 1rem 1.25rem;
}

.metric-card strong {
  display: block;
  margin-top: 0.5rem;
  font-size: 2rem;
}

.metric-label {
  color: var(--muted);
  font-size: 0.92rem;
}

.panel {
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

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

.modal-dialog {
  width: min(720px, calc(100vw - 2rem));
  padding: 0;
  border: 0;
  border-radius: 24px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 24px 60px rgba(32, 20, 8, 0.22);
}

.modal-dialog::backdrop {
  background: rgba(26, 19, 11, 0.35);
  backdrop-filter: blur(3px);
}

.modal-dialog form:not([method="dialog"]) {
  padding: 0 1.25rem 1.25rem;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.25rem 0.75rem;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 0.8rem 0.75rem;
  border-bottom: 1px solid rgba(43, 36, 28, 0.09);
  text-align: left;
  vertical-align: top;
}

th {
  font-size: 0.9rem;
  color: var(--muted);
}

pre {
  margin: 0;
  padding: 1rem;
  overflow-x: auto;
  background: #f7f2ea;
  border-radius: 14px;
  border: 1px solid rgba(43, 36, 28, 0.08);
}

.activity-list {
  margin: 0;
  padding-left: 1.1rem;
}

.activity-list li {
  margin-bottom: 0.6rem;
}

.stats-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-bottom: 1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.form-grid {
  display: grid;
  gap: 0.9rem;
}

.form-grid-two {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.actions-row {
  display: flex;
  justify-content: flex-start;
  gap: 0.75rem;
}

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

.detail-list {
  display: grid;
  gap: 0.75rem;
}

.top-gap {
  margin-top: 1rem;
}

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

input,
textarea,
select {
  width: 100%;
  padding: 0.78rem 0.88rem;
  border-radius: 12px;
  border: 1px solid #c7b8a3;
  background: #fffdfa;
  color: var(--text);
}

button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 0;
  background: var(--accent);
  color: #f7f7f5;
  cursor: pointer;
  text-decoration: none;
  transition: transform 120ms ease, background 120ms ease;
}

button:hover,
.link-button:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
}

.ghost-button {
  background: transparent;
  border: 1px solid rgba(43, 36, 28, 0.2);
  color: var(--text);
}

.ghost-button:hover {
  background: rgba(19, 93, 102, 0.08);
}

.danger-button {
  color: var(--danger);
  border-color: rgba(143, 45, 42, 0.34);
}

.danger-button:hover {
  background: rgba(143, 45, 42, 0.1);
}

.compact-button {
  min-height: 2rem;
  padding: 0.42rem 0.65rem;
  font-size: 0.82rem;
}

.notice {
  padding: 0.85rem 1rem;
  border-radius: 14px;
  margin-bottom: 1rem;
}

.notice-success {
  background: rgba(41, 91, 45, 0.12);
  color: var(--success);
}

.notice-error {
  background: rgba(143, 45, 42, 0.12);
  color: var(--danger);
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.85rem;
}

.pill-good {
  background: rgba(41, 91, 45, 0.12);
  color: var(--success);
}

.pill-muted {
  background: rgba(19, 93, 102, 0.12);
  color: var(--accent-strong);
}

.pill-warn {
  background: rgba(179, 122, 27, 0.14);
  color: #8a5f18;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 600;
  color: var(--text);
}

.status-led {
  width: 0.82rem;
  height: 0.82rem;
  border-radius: 999px;
  flex: 0 0 auto;
  border: 1px solid rgba(43, 36, 28, 0.12);
  box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.55), 0 0 0.5rem rgba(43, 36, 28, 0.12);
}

.status-led-green {
  background: radial-gradient(circle at 35% 35%, #cbffd1 0%, #4bbf58 42%, #247934 100%);
}

.status-led-blue {
  background: radial-gradient(circle at 35% 35%, #d8ebff 0%, #4e92de 42%, #1c5faa 100%);
}

.status-led-yellow {
  background: radial-gradient(circle at 35% 35%, #fff1b8 0%, #efc14d 42%, #b78316 100%);
}

.status-led-orange {
  background: radial-gradient(circle at 35% 35%, #ffd7ba 0%, #ef9748 42%, #bf5d10 100%);
}

.status-led-grey {
  background: radial-gradient(circle at 35% 35%, #f1f1f1 0%, #b5b5b5 42%, #767676 100%);
}

.status-led-red {
  background: radial-gradient(circle at 35% 35%, #ffd1cf 0%, #d64c45 42%, #8f2d2a 100%);
}

.status-led-blink {
  animation: tunnel-led-pulse 1s ease-in-out infinite;
}

.tunnel-grid {
  display: grid;
  /*grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));*/
  gap: 0.75rem;
}

.tunnel-card {
  border: 1px solid rgba(43, 36, 28, 0.12);
  border-radius: 16px;
  background: rgba(255, 252, 246, 0.76);
  overflow: hidden;
}

.tunnel-card-main {
  display: grid;
  grid-template-columns: minmax(86px, 1.0fr) minmax(50px, 0.5fr) minmax(48px, 0.55fr) minmax(54px, 0.45fr) minmax(110px, 1.1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem;
  cursor: pointer;
}

.tunnel-card-main strong,
.tunnel-card-details code {
  overflow-wrap: anywhere;
}

.tunnel-status-line,
.tunnel-card-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tunnel-card-actions {
  justify-content: flex-end;
  flex-wrap: wrap;
}

.tunnel-card-stop-form {
  margin: 0;
}

.tunnel-card-details {
  padding: 0 0.85rem 0.85rem;
  border-top: 1px solid rgba(43, 36, 28, 0.08);
}

.tunnel-card.is-expanded {
  border-color: rgba(19, 93, 102, 0.28);
}

.more-options {
  border: 1px solid rgba(43, 36, 28, 0.12);
  border-radius: 14px;
  padding: 0.8rem 0.9rem;
  background: rgba(255, 252, 246, 0.64);
}

.more-options summary {
  cursor: pointer;
  font-weight: 700;
}

.more-options .field {
  margin-top: 0.8rem;
}

@keyframes tunnel-led-pulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.35;
    transform: scale(0.82);
  }
}

.login-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 1.5rem;
}

.login-card {
  width: min(100%, 420px);
  padding: 2rem;
}

.page-version-badge {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 20;
  max-width: calc(100vw - 2rem);
  padding: 0.45rem 0.75rem;
  border: 1px solid rgba(43, 36, 28, 0.12);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.92);
  box-shadow: 0 10px 30px rgba(32, 20, 8, 0.14);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(10px);
}

@media (max-width: 720px) {
  .topbar,
  .hero {
    flex-direction: column;
    align-items: stretch;
  }

  .admin-layout,
  .device-layout {
    grid-template-columns: 1fr;
  }

  .admin-nav-links {
    gap: 0.55rem;
  }

  .page-content {
    padding: 1rem;
  }

  .tunnel-card-main {
    grid-template-columns: 1fr 1fr;
  }

  .tunnel-card-actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .page-version-badge {
    left: 0.75rem;
    bottom: 0.75rem;
    font-size: 0.72rem;
  }
}