/*
 * Nocturne design system — light theme, vendored for Cleten.
 *
 * Tokens are the light-theme override from the design handoff
 * (resource/design/interactive-demo.dc.html); component classes are lifted
 * verbatim from the nocturne-* folder's styles.css under resource/design/_ds.
 * Retune tokens here.
 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --color-bg: #eef0f4;
  --color-surface: #ffffff;
  --color-text: #1b1f2a;
  --color-divider: color-mix(in srgb, #1b1f2a 12%, transparent);

  --color-accent: #2f5aa8;
  --color-accent-100: #eaf0fa;
  --color-accent-200: #d3e0f3;
  --color-accent-300: #a9c2e6;
  --color-accent-400: #7ea1d6;
  --color-accent-500: #4c7cc0;
  --color-accent-600: #2f5aa8;
  --color-accent-700: #254784;
  --color-accent-800: #1c3663;
  --color-accent-900: #14263f;

  --color-accent-2: #a3760f;
  --color-accent-2-100: #fbf3e2;
  --color-accent-2-200: #f3e0b8;
  --color-accent-2-300: #e6c584;
  --color-accent-2-400: #d3a751;
  --color-accent-2-500: #b8860b;
  --color-accent-2-600: #956d0e;
  --color-accent-2-700: #755511;
  --color-accent-2-800: #573f10;
  --color-accent-2-900: #382a0b;

  --color-neutral-100: #f3f5fe;
  --color-neutral-200: #e4e7f5;
  --color-neutral-300: #cfd3e5;
  --color-neutral-400: #b2b6ca;
  --color-neutral-500: #9397ab;
  --color-neutral-600: #75798c;
  --color-neutral-700: #595d6c;
  --color-neutral-800: #3f424d;
  --color-neutral-900: #292b31;

  --font-heading: "Inter", system-ui, sans-serif;
  --font-heading-weight: 500;
  --font-body: "Inter", system-ui, sans-serif;

  --space-1: 2.8px;
  --space-2: 5.6px;
  --space-3: 8.4px;
  --space-4: 11.2px;
  --space-6: 16.8px;
  --space-8: 22.4px;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --shadow-sm: 0 0 0 1px rgba(27, 31, 42, .10);
  --shadow-md: 0 0 0 1px rgba(27, 31, 42, .10), 0 8px 20px rgba(27, 31, 42, .08);
  --shadow-lg: 0 0 0 1px rgba(27, 31, 42, .14), 0 16px 40px rgba(27, 31, 42, .12);
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: var(--color-bg); color: var(--color-text);
  font-family: var(--font-body); font-size: 15px; line-height: 1.55; font-weight: 400;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: -0.015em; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; }
h2 { font-size: 32px; }
h3 { font-size: 25px; }
h4 { font-size: 20px; }
h5 { font-size: 16px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-500); }
img { display: block; max-width: 100%; }
figure { margin: 0; }
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }

.hr {
  height: 1px; border: 0; margin: var(--space-4) 0;
  background: linear-gradient(to right,
    transparent, var(--color-divider) 48px,
    var(--color-divider) calc(100% - 48px), transparent);
}

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: var(--radius-md);
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { color: var(--color-accent); border-color: var(--color-accent); }
.btn-primary:hover { background: color-mix(in srgb, var(--color-accent) 12%, transparent); }
.btn-primary:active { background: color-mix(in srgb, var(--color-accent) 22%, transparent); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 10px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; }
.seg {
  display: inline-flex; overflow: hidden;
  border: 1px solid var(--color-divider); border-radius: var(--radius-md);
}
.seg-opt {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; cursor: pointer;
}
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { color: var(--color-accent); box-shadow: inset 0 0 0 1px var(--color-accent); }
.seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: var(--radius-md); background: var(--color-surface);
}
.card-kicker { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 17px; line-height: 1.2; }
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 6px; font-size: 11px; color: color-mix(in srgb, var(--color-text) 50%, transparent); }
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.elev-lg { box-shadow: var(--shadow-lg); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 11px;
  letter-spacing: 0.02em; padding: 3px 10px;
  border-radius: calc(var(--radius-md) * 0.75);
}
.tag-accent { background: var(--color-accent-800); color: var(--color-accent-100); }
.tag-accent-2 { background: var(--color-accent-2-800); color: var(--color-accent-2-100); }
.tag-neutral { background: var(--color-neutral-800); color: var(--color-neutral-100); }
.tag-outline { border: 1px solid var(--color-accent); color: var(--color-accent); }

/* — tables — */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th {
  text-align: left; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 60%, transparent);
  padding: var(--space-2); border-bottom: 1px solid var(--color-divider);
}
.table td { padding: var(--space-2); border-bottom: 1px solid var(--color-divider); }
.table tbody tr:hover { background: color-mix(in srgb, var(--color-text) 4%, transparent); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center; padding: var(--space-4);
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: var(--radius-lg);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}

/* — app chrome (from the interactive prototype) — */
.nav-item {
  cursor: pointer; padding: 7px 9px; font-size: 13.5px; border-radius: var(--radius-md);
  color: rgba(27, 31, 42, .78); text-decoration: none; display: block;
}
.nav-item:hover { background: rgba(27, 31, 42, .05); }
.nav-item.is-active {
  background: var(--color-accent-900); color: var(--color-accent-200);
  box-shadow: inset 2px 0 0 var(--color-accent);
}
.nav-section-label {
  font: 500 10px/1 var(--font-heading); letter-spacing: .1em; text-transform: uppercase;
  color: rgba(27, 31, 42, .4); margin-bottom: var(--space-3);
}
.row-click { cursor: pointer; transition: box-shadow .12s; }
.row-click:hover { box-shadow: 0 0 0 1px var(--color-accent-400), var(--shadow-sm); }

.app-shell { display: grid; grid-template-columns: 216px 1fr; min-height: 100vh; }
.app-sidebar {
  display: flex; flex-direction: column; gap: var(--space-8);
  padding: var(--space-6) var(--space-4); background: #f4f5f9;
  box-shadow: inset -1px 0 0 rgba(27, 31, 42, .08);
}
.app-main { overflow-y: auto; }
.app-content { padding: var(--space-8) calc(var(--space-8) * 1.6); }

.brand-mark {
  width: 22px; height: 22px; border-radius: 5px; border: 1.5px solid var(--color-accent);
  display: grid; place-items: center; font: 600 11px/1 var(--font-heading); color: var(--color-accent);
}