/* Cornerstone Launchpad — styles
   Fluid sizing: everything is in rem, and the root font-size scales with the
   viewport so a 32" 4K monitor gets large type while phones stay compact. */

:root {
  --bg: #0b0f1a;
  --bg-glow-1: rgba(99, 102, 241, 0.18);
  --bg-glow-2: rgba(56, 189, 248, 0.10);
  --surface: rgba(255, 255, 255, 0.045);
  --surface-hover: rgba(255, 255, 255, 0.085);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.22);
  --text: #eef1f8;
  --text-dim: #a2abc2;
  --text-faint: #6f7893;
  --accent: #7c9cff;
  --focus: #9db4ff;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --radius: 1rem;
  --gap: 1rem;
  --maxw: 120rem;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-glow-1: rgba(99, 102, 241, 0.12);
  --bg-glow-2: rgba(56, 189, 248, 0.10);
  --surface: rgba(255, 255, 255, 0.85);
  --surface-hover: #ffffff;
  --border: rgba(20, 30, 60, 0.10);
  --border-strong: rgba(20, 30, 60, 0.28);
  --text: #131a2e;
  --text-dim: #4b5675;
  --text-faint: #7b84a0;
  --accent: #4f63e6;
  --focus: #3347d6;
  --shadow: 0 10px 28px rgba(30, 40, 90, 0.12);
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  font-size: clamp(16px, 0.35vw + 11px, 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    radial-gradient(60rem 30rem at 15% -5%, var(--bg-glow-1), transparent 70%),
    radial-gradient(50rem 28rem at 95% 0%, var(--bg-glow-2), transparent 70%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.4;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

a { color: inherit; text-decoration: none; }
code { font-family: ui-monospace, Consolas, monospace; font-size: 0.9em; }

.skip {
  position: absolute; left: -999px; top: 0;
  background: var(--accent); color: #fff; padding: 0.6rem 1rem; z-index: 100;
}
.skip:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- Header ---------- */
.top {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 3vw, 3rem) 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.9rem; min-width: 0; }
.brand-logo { width: 2.75rem; height: 2.75rem; border-radius: 0.7rem; flex: none; object-fit: contain; }
.brand-title { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.01em; }
.brand-sub { font-size: 0.9rem; color: var(--text-dim); }
.top-right { display: flex; align-items: center; gap: 0.75rem; flex: none; }
.clock { font-size: 1.5rem; font-weight: 300; font-variant-numeric: tabular-nums; color: var(--text-dim); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; min-width: 2.75rem; padding: 0 1rem;
  border-radius: 0.8rem; border: 1px solid var(--border);
  background: var(--surface); color: var(--text);
  font: inherit; font-size: 0.95rem; cursor: pointer;
}
.btn:hover { background: var(--surface-hover); }
.btn-icon { padding: 0; }

/* ---------- Main ---------- */
main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.5rem clamp(1rem, 3vw, 3rem) 3rem;
}

.search-wrap {
  position: relative;
  margin: 0.75rem 0 1.5rem;
}
.search-icon {
  position: absolute; left: 1.1rem; top: 50%; transform: translateY(-50%);
  color: var(--text-faint); pointer-events: none;
}
#search {
  width: 100%;
  height: 3.75rem;
  padding: 0 4rem 0 3.4rem;
  font: inherit; font-size: 1.2rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.1rem;
  box-shadow: var(--shadow);
  outline: none;
  -webkit-appearance: none; appearance: none;
}
#search::placeholder { color: var(--text-faint); }
#search:focus { border-color: var(--focus); box-shadow: 0 0 0 3px rgba(124, 156, 255, 0.28), var(--shadow); }
#search::-webkit-search-cancel-button { -webkit-appearance: none; }
.kbd {
  position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%);
  min-width: 2rem; padding: 0.15rem 0.5rem; text-align: center;
  font-family: ui-monospace, Consolas, monospace; font-size: 0.9rem;
  color: var(--text-faint); border: 1px solid var(--border); border-radius: 0.5rem;
}

/* ---------- Sections ---------- */
.section { margin-top: 2rem; --accent-c: var(--accent); }
.section-head {
  display: flex; align-items: center; gap: 0.75rem;
  width: 100%; margin: 0 0 0.9rem; padding: 0.4rem 0;
  background: none; border: 0; color: var(--text); font: inherit; text-align: left;
}
button.section-head { cursor: pointer; }
.section-icon {
  width: 2rem; height: 2rem; flex: none; border-radius: 0.55rem;
  display: grid; place-items: center;
  background: var(--accent-c); color: #fff;
}
.section-icon svg { width: 1.15rem; height: 1.15rem; }
.section-title { font-size: 1.2rem; font-weight: 700; letter-spacing: 0.01em; }
.section-count { font-size: 0.85rem; color: var(--text-faint); }
.section-spacer { flex: 1; }
.chev { color: var(--text-faint); transition: transform 0.2s; }
.collapsed .chev { transform: rotate(-90deg); }
.collapsed .grid { display: none; }
.link-clear {
  background: none; border: 0; color: var(--text-faint); font: inherit; font-size: 0.85rem;
  cursor: pointer; padding: 0.4rem 0.6rem; border-radius: 0.5rem;
}
.link-clear:hover { color: var(--text); background: var(--surface); }

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 17rem), 1fr));
}
.grid.quick { grid-template-columns: repeat(auto-fill, minmax(min(100%, 13rem), 1fr)); }

/* ---------- Cards ---------- */
.card {
  position: relative;
  --accent-c: var(--accent);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { background: var(--surface-hover); border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--shadow); }
.card-link {
  display: flex; align-items: center; gap: 1rem;
  padding: 1rem 3rem 1rem 1rem;
  min-height: 4.75rem;
  border-radius: var(--radius);
  outline: none;
}
.card-link:focus-visible { box-shadow: 0 0 0 3px var(--focus); }
.card:focus-within { border-color: var(--focus); }

.icon {
  width: 3rem; height: 3rem; flex: none; border-radius: 0.85rem;
  display: grid; place-items: center; overflow: hidden;
  background: var(--accent-c); color: #fff;
  font-weight: 700; font-size: 1.25rem;
}
.icon img { width: 100%; height: 100%; object-fit: contain; background: #fff; padding: 0.3rem; }

.meta { min-width: 0; flex: 1; }
.name { font-size: 1.05rem; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.desc { font-size: 0.9rem; color: var(--text-dim); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.4rem; }
.tag, .badge {
  font-size: 0.72rem; padding: 0.1rem 0.5rem; border-radius: 999px;
  border: 1px solid var(--border); color: var(--text-dim);
}
.badge { color: #34d399; border-color: rgba(52, 211, 153, 0.45); }

.fav {
  position: absolute; top: 0.5rem; right: 0.5rem;
  width: 2.5rem; height: 2.5rem; border-radius: 0.7rem;
  display: grid; place-items: center;
  background: transparent; border: 0; cursor: pointer; color: var(--text-faint);
}
.fav:hover { background: var(--surface); color: var(--text); }
.fav:focus-visible { outline: 2px solid var(--focus); }
.fav svg { width: 1.3rem; height: 1.3rem; }
.fav[aria-pressed="true"] { color: #fbbf24; }
.fav[aria-pressed="true"] svg path { fill: currentColor; }

/* Quick access tiles: larger, vertical */
.quick .card-link { flex-direction: column; justify-content: center; text-align: center; padding: 1.25rem 1rem; min-height: 8.5rem; gap: 0.7rem; }
.quick .icon { width: 3.5rem; height: 3.5rem; font-size: 1.5rem; border-radius: 1rem; }
.quick .meta { width: 100%; flex: none; }
.quick .desc, .quick .tags { display: none; }
.quick .fav { top: 0.35rem; right: 0.35rem; }

/* ---------- States ---------- */
.state { text-align: center; color: var(--text-dim); padding: 3rem 1rem; font-size: 1.05rem; }
.state strong { color: var(--text); }

.foot {
  max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 3rem) 2rem;
  text-align: center; font-size: 0.8rem; color: var(--text-faint);
}

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
  .clock { display: none; }
  .brand-sub { display: none; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
  .grid.quick { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .card-link { flex-direction: column; align-items: flex-start; padding: 1rem 1rem 1rem; min-height: 7.5rem; gap: 0.6rem; }
  .meta { width: 100%; flex: none; }
  .quick .card-link { align-items: center; padding: 1rem 0.4rem 0.8rem; min-height: 7rem; }
  .quick .name { white-space: normal; font-size: 0.9rem; line-height: 1.2; overflow-wrap: anywhere; }
  .quick .fav { width: 2rem; height: 2rem; top: 0.1rem; right: 0.1rem; }
  .quick .fav svg { width: 1rem; height: 1rem; }
  .tags { display: none; }
  .fav { top: 0.25rem; right: 0.25rem; }
  .search-wrap .kbd { display: none; }
  #search { padding-right: 1rem; }
}
@media (max-width: 380px) {
  .grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
  .card:hover { transform: none; }
}

@media (hover: none) { .kbd { display: none; } }