@tailwind base;
@tailwind components;
@tailwind utilities;

/* ── Self-hosted fonts (no CDN — see Ethos threat model) ─────────────────── */
@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-SemiBold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('/fonts/Geist-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('/fonts/GeistMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('/fonts/GeistMono-Medium.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

/* ── Ethos Design Tokens (default dark) ────────────────────────────────────── */
:root {
  /* warm brown-tinted neutral ramp — Ethos law, not cool grey */
  --ethos-bg0: #14110D;
  --ethos-bg1: #1B1712;
  --ethos-bg2: #221D17;
  --ethos-surface0: #2C261D;
  --ethos-surface1: #372F24;
  --ethos-surface2: #423927;
  --ethos-border: rgba(244,234,220,0.09);
  --ethos-border-hi: rgba(244,234,220,0.16);
  --ethos-text: #F4EEE4;
  --ethos-secondary: #B4AA98;
  --ethos-muted: #756C5C;
  --ethos-disabled: #5a5347;

  /* muzick fingerprint: honey amber */
  --ethos-accent: #EDA24E;
  --ethos-accent-hover: #E08F32;
  --ethos-on-accent: #14110D;

  /* semantic colors */
  --ethos-green: #22c55e;
  --ethos-amber: #eab308;
  --ethos-red: #ef4444;
  --ethos-purple: #a855f7;
  --ethos-cyan: #22d3ee;
  --ethos-orange: #f97316;
}

/* ── Base reset ───────────────────────────────────────────────────────────── */
body {
  margin: 0;
  padding: 0;
  background-color: var(--ethos-bg0);
  color: var(--ethos-text);
  font-family: 'Geist', -apple-system, BlinkMacSystemFont,
    'Segoe UI', 'Roboto', sans-serif;
  font-size: 14px;
  line-height: 20px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root {
  position: relative;
  z-index: 1;
}

/* ── Focus ring: 2px accent, for keyboard users only ──────────────────────── */
:focus-visible {
  outline: 2px solid var(--ethos-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ── Selection ────────────────────────────────────────────────────────────── */
::selection {
  background: color-mix(in srgb, var(--ethos-accent) 35%, transparent);
  color: var(--ethos-text);
}

/* ── Scrollbars (thin, themed) ────────────────────────────────────────────── */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--ethos-border) transparent;
}
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--ethos-border) 80%, transparent);
  border-radius: 9999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
*::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--ethos-muted) 60%, transparent);
  background-clip: padding-box;
}

/* ── Smooth scroll for main content ───────────────────────────────────────── */
html { scroll-behavior: smooth; }

/* ── Utility classes ──────────────────────────────────────────────────────── */

/* Surfaced bar (top bar / playback bar) — depth from light, not blur */
.glass {
  background: var(--ethos-bg1);
  border-top: 1px solid var(--ethos-border);
  box-shadow: 0 2px 8px rgba(0,0,0,.35), 0 12px 32px rgba(0,0,0,.28);
}

/* Hide scrollbars but keep scroll behavior */
.scrollbar-hide {
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.scrollbar-hide::-webkit-scrollbar { display: none; }

/* Skeleton shimmer */
@keyframes shimmer {
  0% { opacity: 0.4; }
  50% { opacity: 0.8; }
  100% { opacity: 0.4; }
}
.skeleton {
  animation: shimmer 1.5s ease-in-out infinite;
  background: var(--ethos-surface1);
  border-radius: 4px;
}

/* ── Component base classes ────────────────────────────────────────────────── */

/* Card surface — standard container */
.card-surface {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-radius: 8px;
  border: 1px solid var(--ethos-border);
  background: var(--ethos-surface0);
  padding: 12px;
  transition: background 150ms ease, border-color 150ms ease;
}
.card-surface:hover {
  background: var(--ethos-surface1);
  border-color: color-mix(in srgb, var(--ethos-accent) 40%, transparent);
}

/* Artwork frame */
.artwork-frame {
  aspect-ratio: 1 / 1;
  border-radius: 8px;
  overflow: hidden;
}

/* Play button overlay */
.play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 8px;
  background: linear-gradient(to top, rgba(0,0,0,0.5), transparent 60%);
  opacity: 0;
  transition: opacity 150ms ease;
}
.group:hover .play-overlay { opacity: 1; }
.play-overlay-btn {
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  background: var(--ethos-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ethos-on-accent);
  box-shadow: 0 8px 24px -4px color-mix(in srgb, var(--ethos-accent) 40%, transparent);
  transform: translateY(8px);
  transition: transform 150ms ease;
}
.group:hover .play-overlay-btn { transform: translateY(0); }

/* Transport button */
.transport-btn {
  width: 40px;
  height: 40px;
  border-radius: 9999px;
  background: var(--ethos-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ethos-on-accent);
  transition: background 150ms ease, transform 150ms ease;
}
.transport-btn:hover { background: var(--ethos-accent-hover); transform: scale(1.06); }
.transport-btn:active { transform: scale(0.94); }
.transport-btn:disabled { opacity: 0.4; }

/* Gradient text — used sparingly for page headings */
.text-gradient {
  background: linear-gradient(120deg, var(--ethos-text), color-mix(in srgb, var(--ethos-accent) 75%, var(--ethos-text)));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Range slider styling */
input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--ethos-border) 90%, transparent);
}
input[type='range']::-moz-range-track {
  height: 4px;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--ethos-border) 90%, transparent);
}
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 9999px;
  background: var(--ethos-accent);
  margin-top: -4px;
  transition: transform 150ms ease;
}
input[type='range']:hover::-webkit-slider-thumb { transform: scale(1.15); }
input[type='range']::-moz-range-thumb {
  width: 12px; height: 12px; border: none;
  border-radius: 9999px; background: var(--ethos-accent);
}
input[type='range']:focus-visible {
  outline: none;
}
input[type='range']:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--ethos-accent) 30%, transparent);
}
input[type='range']:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--ethos-accent) 30%, transparent);
}
