/* ============================================================
   Shared shell for the interactive project demos
   ============================================================ */

:root {
  --bg: #0a0a0b;
  --bg-soft: #121214;
  --panel: #17171a;
  --line: #2a2a2d;
  --ink: #e9e9e2;
  --ink-dim: #8a8a85;
  --accent: #c9f94f;
  --danger: #ff7a6b;
  --radius: 12px;
  --font-display: "Clash Display", "Arial Narrow", sans-serif;
  --font-body: "Satoshi", "Helvetica Neue", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
::selection { background: var(--accent); color: var(--bg); }

/* ---------- Icons (Lucide sprite at /assets/icons.svg) ---------- */

.i {
  width: 1em;
  height: 1em;
  display: inline-block;
  vertical-align: -0.14em;
  flex-shrink: 0;
}

.mono { font-family: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace; }

/* ---------- Demo bar ---------- */

.demobar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2rem);
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  font-size: 0.85rem;
}

.demobar__back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--ink-dim);
  transition: color 0.2s;
  white-space: nowrap;
}
.demobar__back:hover { color: var(--accent); }

.demobar__title {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.demobar__tags {
  margin-left: auto;
  display: flex;
  gap: 0.4rem;
}

.demobar__tags span {
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 99px;
  color: var(--ink-dim);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.demobar__badge {
  padding: 0.2rem 0.6rem;
  border-radius: 99px;
  background: var(--accent);
  color: var(--bg);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  flex-shrink: 0;
}

@media (max-width: 720px) {
  .demobar__tags { display: none; }
  .demobar__badge { margin-left: auto; }
}

/* ---------- Common building blocks ---------- */

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: clamp(1.25rem, 3vw, 2.5rem) clamp(1rem, 3vw, 2rem);
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: transparent;
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn--primary { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 600; }
.btn--primary:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.chip {
  padding: 0.4rem 0.9rem;
  border-radius: 99px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-dim);
  font-size: 0.85rem;
  transition: all 0.2s;
}
.chip:hover { color: var(--ink); }
.chip.is-active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.input {
  width: 100%;
  padding: 0.65rem 0.9rem;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s;
}
.input:focus { border-color: var(--accent); }

.label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-dim);
  margin-bottom: 0.4rem;
}

.h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.muted { color: var(--ink-dim); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translate(-50%, 150%);
  padding: 0.8rem 1.2rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 99px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
  z-index: 100;
}
.toast.is-on { transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}