:root {
  --bg: #e9ebe8;
  --bg-deep: #d8dbd6;
  --card: #f7f8f6;
  --ink: #1a1f1c;
  --muted: #66706a;
  --brass: #a67c3a;
  --brass-deep: #7a5a28;
  --steel: #4a5a62;
  --ok: #2f8f6a;
  --danger: #c45a4a;
  --line: rgba(26, 31, 28, 0.1);
  --shadow: 0 8px 28px rgba(40, 45, 40, 0.08);
  --radius: 16px;
  --font: "Sora", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --pad: clamp(1rem, 3.5vw, 2rem);
  --max: 1100px;
}

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

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

body {
  font-family: var(--font);
  background:
    radial-gradient(65% 40% at 8% 0%, rgba(166, 124, 58, 0.16), transparent 50%),
    radial-gradient(50% 35% at 100% 5%, rgba(74, 90, 98, 0.12), transparent 48%),
    linear-gradient(175deg, var(--bg) 0%, var(--bg-deep) 100%);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  color: var(--brass-deep);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem var(--pad);
  background: rgba(247, 248, 246, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar-brand {
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brass-deep);
}

.topbar-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.topbar-nav a:hover,
.topbar-nav a.is-active {
  color: var(--ink);
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1.4rem var(--pad) 2.5rem;
}

.page-head {
  margin-bottom: 1.25rem;
}

.breadcrumb {
  margin: 0 0 0.35rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.page-head h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.45rem, 3.5vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.title-icon {
  display: inline-flex;
  width: 1.1em;
  height: 1.1em;
  color: var(--brass);
}

.title-icon svg {
  width: 100%;
  height: 100%;
}

.page-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.demo-badge {
  display: inline-block;
  margin: 0.55rem 0 0;
  padding: 0.25rem 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--brass-deep);
  background: rgba(166, 124, 58, 0.18);
  border-radius: 999px;
}

.lock-hero {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(0, 1.4fr);
  gap: 1rem;
  margin-bottom: 1.15rem;
}

.lock-status,
.stat,
.panel {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}

.lock-status {
  padding: 1.4rem 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: border-color 0.35s ease, box-shadow 0.35s ease;
}

.lock-status.is-locked {
  border-color: rgba(74, 90, 98, 0.35);
}

.lock-status.is-open {
  border-color: rgba(47, 143, 106, 0.45);
  box-shadow: 0 8px 28px rgba(47, 143, 106, 0.12);
}

.lock-status.is-denied {
  border-color: rgba(196, 90, 74, 0.4);
}

.lock-visual {
  width: 110px;
  height: 110px;
  color: var(--steel);
  margin-bottom: 0.65rem;
}

.lock-status.is-open .lock-visual {
  color: var(--ok);
}

.lock-status.is-denied .lock-visual {
  color: var(--danger);
  animation: shake 0.45s ease;
}

.lock-status.is-open .lock-shackle {
  transform: translateY(-6px);
  transition: transform 0.45s ease;
}

.lock-shackle {
  transition: transform 0.45s ease;
}

@keyframes shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

.lock-visual svg {
  width: 100%;
  height: 100%;
}

.lock-label {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.lock-msg {
  margin: 0.3rem 0 0;
  font-size: 0.85rem;
  color: var(--muted);
}

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.stat {
  padding: 1rem 1.1rem;
}

.stat-label {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.stat-value {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--brass-deep);
}

.stat-value-sm {
  font-size: 1.05rem;
  line-height: 1.3;
}

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

.panel {
  padding: 1.1rem 1.15rem 1.2rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
}

.panel-head h2,
.panel-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.link-settings {
  font-size: 0.78rem;
  color: var(--brass-deep);
  border-bottom: 1px solid rgba(166, 124, 58, 0.35);
}

.event-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 280px;
  overflow: auto;
}

.event-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.65rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.88rem;
}

.event-list li:last-child {
  border-bottom: 0;
}

.event-empty {
  color: var(--muted);
  display: block !important;
}

.event-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--muted);
}

.event-dot.granted {
  background: var(--ok);
}
.event-dot.denied {
  background: var(--danger);
}
.event-dot.locked {
  background: var(--steel);
}

.event-main {
  min-width: 0;
}

.event-main strong {
  display: block;
  font-weight: 600;
}

.event-main span {
  font-size: 0.75rem;
  color: var(--muted);
}

.event-time {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  white-space: nowrap;
}

.range-bar {
  display: flex;
  gap: 0.3rem;
}

.range-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.55rem;
  border-radius: 999px;
  cursor: pointer;
}

.range-btn.is-active {
  background: var(--brass);
  border-color: var(--brass);
  color: #fff;
}

.chart-wrap {
  height: 220px;
}

.rules {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.kicker {
  margin: 0 0 0.25rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.rules h2 {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
}

.lede {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.code {
  margin: 0;
  padding: 1rem 1.1rem;
  background: #1a1f1c;
  color: #d8dbd6;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.45;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--pad) 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}

/* Settings */
.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.2fr);
  gap: 1rem;
}

.finger-form label {
  display: block;
  margin-bottom: 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.finger-form input {
  display: block;
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
}

.form-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}

.btn-primary,
.btn-ghost,
.btn-tiny {
  appearance: none;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.55rem 0.9rem;
  border-radius: 10px;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--brass);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.btn-tiny {
  padding: 0.3rem 0.55rem;
  font-size: 0.72rem;
  background: transparent;
  border-color: var(--line);
  color: var(--muted);
}

.btn-tiny.danger {
  color: var(--danger);
  border-color: rgba(196, 90, 74, 0.35);
}

.form-hint {
  margin: 0.65rem 0 0;
  font-size: 0.8rem;
  color: var(--ok);
  min-height: 1.2em;
}

.form-hint.is-error {
  color: var(--danger);
}

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

.users-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.users-table th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  padding: 0.4rem 0.35rem;
  border-bottom: 1px solid var(--line);
}

.users-table td {
  padding: 0.65rem 0.35rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.users-table td:last-child {
  white-space: nowrap;
  text-align: right;
}

@media (max-width: 800px) {
  .lock-hero,
  .panels,
  .settings-grid {
    grid-template-columns: 1fr;
  }
}