/* ── Selenized color tokens ─────────────────────────── */
:root {
  --bg-0: #fbf3db;
  --bg-1: #ece3cc;
  --bg-2: #d5cdb6;
  --dim-0: #909995;
  --fg-0: #53676d;
  --fg-1: #3a4d53;
  --red: #d2212d;
  --green: #489100;
  --yellow: #ad8900;
  --blue: #0072d4;
  --magenta: #ca4898;
  --cyan: #009c8f;
  --orange: #c25d1e;
  --violet: #8762c6;
  --card-shadow: rgba(58, 77, 83, 0.08);
  --card-hover-shadow: rgba(58, 77, 83, 0.16);
}

[data-theme="dark"] {
  --bg-0: #103c48;
  --bg-1: #184956;
  --bg-2: #2d5b69;
  --dim-0: #72898f;
  --fg-0: #adbcbc;
  --fg-1: #cad8d9;
  --red: #fa5750;
  --green: #75b938;
  --yellow: #dbb32d;
  --blue: #4695f7;
  --magenta: #f275be;
  --cyan: #41c7b9;
  --orange: #ed8649;
  --violet: #af88eb;
  --card-shadow: rgba(0, 0, 0, 0.2);
  --card-hover-shadow: rgba(0, 0, 0, 0.35);
}

/* ── Reset & base ───────────────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg-0);
  color: var(--fg-0);
  min-height: 100vh;
  transition: background 0.25s, color 0.25s;
}

/* ── Top bar ────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-1);
  border-bottom: 1px solid var(--bg-2);
  transition: background 0.25s, border-color 0.25s;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--dim-0);
}

.topbar-left a {
  color: var(--dim-0);
  text-decoration: none;
  transition: color 0.15s;
}

.topbar-left a:hover {
  color: var(--fg-1);
}

.user-email {
  color: var(--fg-0);
  font-weight: 500;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-small {
  background: none;
  border: 1px solid var(--bg-2);
  color: var(--dim-0);
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  font-size: 0.8rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.btn-small:hover {
  border-color: var(--dim-0);
  color: var(--fg-1);
  background: var(--bg-2);
}

/* ── Main layout ────────────────────────────────────── */
.container {
  max-width: 1500px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--fg-1);
  margin-bottom: 0.35rem;
  transition: color 0.25s;
}

.subtitle {
  color: var(--dim-0);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* ── Section headers ────────────────────────────────── */
.section-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--dim-0);
  margin-bottom: 0.6rem;
  padding-left: 0.15rem;
}

/* ── Link grid ──────────────────────────────────────── */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 2rem;
}

@media (max-width: 700px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  background: var(--bg-1);
  border: 1px solid var(--bg-2);
  border-radius: 8px;
  text-decoration: none;
  color: var(--fg-0);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s,
    background 0.25s;
}

.card:hover {
  border-color: var(--dim-0);
  box-shadow: 0 2px 8px var(--card-hover-shadow);
  transform: translateY(-1px);
}

.card-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  width: 2rem;
  text-align: center;
}

.card-text .label {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--fg-1);
  transition: color 0.25s;
}

.card-text .desc {
  font-size: 0.78rem;
  color: var(--dim-0);
  margin-top: 0.15rem;
}

/* ── Keyboard shortcut badge ────────────────────────── */
.kbd {
  display: inline-block;
  font-size: 0.65rem;
  font-family: "SF Mono", Menlo, monospace;
  background: var(--bg-2);
  color: var(--dim-0);
  border-radius: 3px;
  padding: 0.1rem 0.35rem;
  margin-left: auto;
  flex-shrink: 0;
  transition: background 0.25s, color 0.25s;
}

/* ── Footer ─────────────────────────────────────────── */
.footer {
  text-align: center;
  padding: 3rem 1rem 2rem;
}

.footer a {
  font-size: 0.75rem;
  color: var(--dim-0);
  text-decoration: none;
  transition: color 0.15s;
}

.footer a:hover {
  color: var(--fg-0);
}

/* ── Nav breadcrumb ─────────────────────────────────── */
.nav-crumb {
  font-size: 0.8rem;
  color: var(--dim-0);
  margin-bottom: 1rem;
}

.nav-crumb a {
  color: var(--cyan);
  text-decoration: none;
}

.nav-crumb a:hover {
  text-decoration: underline;
}