:root {
  --bg: #f5efe6;
  --ink: #1a1715;
  --muted: #5d564f;
  --panel: rgba(255, 252, 247, 0.88);
  --panel-strong: rgba(255, 252, 247, 0.97);
  --line: rgba(40, 31, 24, 0.12);
  --accent: #0f766e;
  --accent-strong: #115e59;
  --danger: #9f1239;
  --warning: #b45309;
  --shell: #111827;
  --shell-muted: rgba(255, 255, 255, 0.72);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow: 0 24px 60px rgba(62, 46, 29, 0.12);
}

* {
  box-sizing: border-box;
}

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

body {
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.18), transparent 26%),
    radial-gradient(circle at right top, rgba(196, 138, 84, 0.18), transparent 24%),
    linear-gradient(180deg, #f8f2e8 0%, #efe3d3 100%);
  font-family: "Avenir Next", "Trebuchet MS", sans-serif;
}

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

button {
  cursor: pointer;
}

input,
select,
textarea {
  width: 100%;
}

code {
  font-family: "SFMono-Regular", "Consolas", monospace;
}

#app {
  min-height: 100vh;
}

.canvas {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.login-canvas {
  display: grid;
  gap: 20px;
  align-content: center;
  min-height: 100vh;
}

.shell-frame {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.rail {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  background:
    radial-gradient(circle at top, rgba(15, 118, 110, 0.16), transparent 28%),
    linear-gradient(180deg, rgba(17, 24, 39, 0.98), rgba(31, 41, 55, 0.94));
  color: white;
}

.rail-title,
.hero-card h1,
.status-panel h1,
.panel-heading h2,
.topbar h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", serif;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.rail-meta {
  color: var(--shell-muted);
}

.rail-nav {
  display: grid;
  gap: 10px;
}

.rail-link {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  background: transparent;
  color: inherit;
  text-align: left;
}

.rail-link.active,
.rail-link:hover {
  background: rgba(255, 255, 255, 0.08);
}

.rail-note {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  color: var(--shell-muted);
}

.rail-note p {
  margin: 0 0 6px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.shell-canvas {
  padding-top: 22px;
}

.hero-card,
.panel,
.status-panel,
.state-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  inset: auto -10% -30% auto;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(15, 118, 110, 0.18), transparent 68%);
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.status-copy,
.hero-copy,
.inline-note,
.meta-line {
  color: var(--muted);
}

.field {
  display: grid;
  gap: 8px;
}

.field span {
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.stack,
.panel-stack {
  display: grid;
  gap: 18px;
}

.panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.topbar,
.split,
.session-row,
.hero-actions,
.status-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.topbar {
  margin-bottom: 22px;
}

.session-badge,
.status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
}

.session-badge,
.status-enabled {
  background: rgba(15, 118, 110, 0.12);
  color: var(--accent-strong);
}

.status-disabled {
  background: rgba(159, 18, 57, 0.12);
  color: var(--danger);
}

.status-pending {
  background: rgba(180, 83, 9, 0.12);
  color: var(--warning);
}

.fact-list,
.session-list,
.recovery-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.fact-list,
.session-list {
  display: grid;
  gap: 12px;
}

.fact-list li,
.session-card,
.code-card,
.inline-notice,
.config-note {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel-strong);
}

.inline-notice strong {
  display: block;
  margin-bottom: 6px;
}

.inline-notice p {
  margin: 0;
}

.notice-success strong {
  color: var(--accent-strong);
}

.notice-warning strong {
  color: var(--warning);
}

.primary-button,
.ghost-button,
.link-button,
.danger-button {
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.primary-button {
  background: var(--accent);
  color: white;
}

.primary-button:hover {
  background: var(--accent-strong);
}

.ghost-button {
  background: rgba(255, 255, 255, 0.6);
  border-color: var(--line);
  color: var(--ink);
}

.danger-button {
  background: rgba(255, 255, 255, 0.6);
  border-color: rgba(159, 18, 57, 0.16);
  color: var(--danger);
}

.link-button {
  padding-left: 0;
  background: transparent;
  color: var(--accent-strong);
}

.session-card,
.code-card {
  display: grid;
  gap: 10px;
}

.session-card.current {
  border-color: rgba(15, 118, 110, 0.24);
}

.loading-bar {
  overflow: hidden;
  width: 180px;
  height: 8px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
}

.loading-bar span {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), #22c55e);
  animation: loading-slide 1.1s ease-in-out infinite;
}

form {
  display: grid;
  gap: 14px;
}

input,
select,
textarea {
  padding: 12px 14px;
  border: 1px solid rgba(40, 31, 24, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.82);
}

@keyframes loading-slide {
  0% {
    transform: translateX(-110%);
  }
  100% {
    transform: translateX(300%);
  }
}

@media (max-width: 920px) {
  .shell-frame {
    grid-template-columns: 1fr;
  }

  .rail {
    gap: 18px;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .canvas {
    width: min(100vw - 20px, 1180px);
    padding: 18px 0 28px;
  }

  .topbar,
  .split,
  .session-row,
  .hero-actions,
  .status-actions {
    flex-direction: column;
    align-items: stretch;
  }
}