/* ============================================================
   Protolabs Global — single-view shell
   Brushed-metal header + dark cosmic magazine body.
   Cyan accents only — no amber/gold anywhere.
   ============================================================ */

:root {
  --bg: #020617;
  --panel: #0b1120;
  --panel-border: #1e293b;
  --panel-border-hover: #334155;
  --cyan: #22d3ee;
  --cyan-soft: rgba(34, 211, 238, 0.15);
  --cyan-glow: rgba(34, 211, 238, 0.25);
  --text: #f8fafc;
  /* Was dim grey (#94a3b8 / #64748b) — brightened to near-white per
     request, so all small print/taglines pop against the dark backdrop
     instead of receding into it. */
  --text-dim: #f0f4f8;
  --text-faint: #f0f4f8;
  --radius: 14px;

  /* Default cover scene palette — overridden per-scene by script.js's
     COVER_SCENES / applyCoverScene(), never hand-edited per deploy. */
  --nebula-a: #22d3ee;
  --nebula-b: #6366f1;
  --nebula-c: #0ea5e9;

  /* Same exact palette as the header's chrome plaque — kept as one set
     of tokens so the outer shell frame, header bar, and plaque all read
     as the same machined metal, not three slightly different greys. */
  --metal-light: #eef2f5;
  --metal-highlight: #d4d8dd;
  --metal-mid: #8a929a;
  --metal-dark: #4a5056;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  overflow: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---------- shell layout ---------- */

.shell {
  height: 100vh;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  /* Heavy machined-metal chassis framing the whole viewport — same exact
     palette as the header's chrome plaque, cycled back to its start
     color so the gradient reads continuously around all four sides
     rather than jumping at a seam. Stays constant regardless of which
     inner view is active — only the content inside flips. */
  border: 14px solid var(--metal-mid);
  border-image: linear-gradient(
    135deg,
    var(--metal-highlight) 0%,
    var(--metal-mid) 25%,
    var(--metal-light) 50%,
    var(--metal-dark) 75%,
    var(--metal-highlight) 100%
  ) 1;
  /* The cosmic UI sits recessed inside the housing, not flush with it. */
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.8);
}

/* ---------- view transitions (main shell <-> Radio Central dashboard) ---------- */

.view-container {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  overflow-y: auto;
  background: var(--bg);
  transform: perspective(1400px) rotateY(90deg);
  transform-origin: center;
  transition: transform 0.6s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.4s ease-in-out;
}

.view-container.active-view {
  opacity: 1;
  pointer-events: auto;
  transform: perspective(1400px) rotateY(0deg);
}

#main-landing-view {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

/* ---------- top nav — brushed metal ---------- */

.topnav {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 24px;
  border-bottom: 1px solid #52525b;
  background:
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.04) 0px, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 3px),
    linear-gradient(180deg, var(--metal-light) 0%, var(--metal-mid) 45%, var(--metal-dark) 100%);
  color: #1e2430;
}

/* Decorative folded-corner detail, top-right of the header — matches the
   reference mockup's page-curl. Pure CSS triangle, no image asset. */
.page-curl {
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 34px 34px 0;
  border-color: transparent #f8fafc transparent transparent;
  filter: drop-shadow(-2px 2px 3px rgba(0, 0, 0, 0.25));
}

/* Logo + wordmark, integrated directly into the header rather than
   mounted on its own solid plaque — no transparent PNG logo asset exists
   in this project yet (see assets/), so the mark itself is still the real
   CSS-built ring/pyramid below, just without a background container
   behind it. */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px 6px 8px;
}

/* ---------- logo mark: chrome ring + rotating 3D pyramid ---------- */

.ptlg-logo {
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.ptlg-ring {
  position: absolute;
  inset: 0;
}

.ptlg-pyramid-stage {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 22px;
  margin: -11px 0 0 -11px;
  perspective: 220px;
}

.ptlg-pyramid {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  /* Slow, smooth, continuous — "intentional" per spec, not a flashy spin. */
  animation: ptlg-rotate 10s linear infinite;
}

@keyframes ptlg-rotate {
  from { transform: rotateX(-16deg) rotateY(0deg); }
  to   { transform: rotateX(-16deg) rotateY(360deg); }
}

/* Four triangular faces meeting at an apex — a real 3D tetrahedron, not a
   flat image. Deep cosmic black + a handful of pinpoint "stars" via
   layered radial-gradients, same texture language as the canvas starfield
   elsewhere in this shell. */
.ptlg-face {
  display: block;
  position: absolute;
  inset: 0;
  clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
  background:
    radial-gradient(1px 1px at 22% 35%, #fff, transparent 60%),
    radial-gradient(1px 1px at 68% 22%, #fff, transparent 60%),
    radial-gradient(1px 1px at 45% 55%, #fff, transparent 60%),
    radial-gradient(1px 1px at 80% 65%, #fff, transparent 60%),
    radial-gradient(1px 1px at 15% 75%, #fff, transparent 60%),
    linear-gradient(145deg, #07070c 0%, #16161f 60%, #0a0a10 100%);
  transform-origin: 50% 100%;
  backface-visibility: hidden;
}

.ptlg-face:nth-child(1) { transform: rotateY(0deg)   translateZ(6px) rotateX(24deg); }
.ptlg-face:nth-child(2) { transform: rotateY(90deg)  translateZ(6px) rotateX(24deg); }
.ptlg-face:nth-child(3) { transform: rotateY(180deg) translateZ(6px) rotateX(24deg); }
.ptlg-face:nth-child(4) { transform: rotateY(270deg) translateZ(6px) rotateX(24deg); }

/* ---------- wordmark: same cosmic-black + starfield-speck texture ---------- */

.ptlg-wordmark {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 1.08;
}

.ptlg-line {
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.04em;
  background:
    radial-gradient(1px 1px at 8% 30%, #fff, transparent 60%),
    radial-gradient(1px 1px at 24% 70%, #fff, transparent 60%),
    radial-gradient(1px 1px at 46% 20%, #fff, transparent 60%),
    radial-gradient(1px 1px at 63% 65%, #fff, transparent 60%),
    radial-gradient(1px 1px at 82% 35%, #fff, transparent 60%),
    radial-gradient(1px 1px at 95% 75%, #fff, transparent 60%),
    linear-gradient(145deg, #07070c, #1b1b26);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ptlg-line + .ptlg-line {
  font-weight: 700;
  font-size: 14px;
  opacity: 0.9;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  justify-content: center;
}

.nav-link {
  background: none;
  border: none;
  color: #3f4652;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 6px 4px;
  transition: color 0.15s ease;
}

.nav-link:hover {
  color: #0f172a;
}

.view-controls {
  display: flex;
  gap: 4px;
  border: 1px solid rgba(30, 36, 48, 0.25);
  border-radius: 8px;
  padding: 2px;
}

.view-btn {
  background: none;
  border: none;
  color: #4a5568;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  font-size: 12px;
  transition: background 0.15s ease, color 0.15s ease;
}

.view-btn:hover {
  background: rgba(30, 36, 48, 0.1);
  color: #0f172a;
}

.auth-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  appearance: none;
  background: none;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 8px 16px;
  border-radius: 999px;
  white-space: nowrap;
  transition: border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
  border: 1px solid rgba(30, 36, 48, 0.3);
}

.btn-ghost {
  color: #1e2430;
}

.btn-ghost:hover {
  border-color: rgba(30, 36, 48, 0.6);
}

.btn-solid {
  background: #0f172a;
  color: #f8fafc;
  border-color: #0f172a;
  font-weight: 700;
}

.btn-solid:hover {
  opacity: 0.85;
}

/* ---------- main grid: canvas + radio panel ---------- */

.main-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  padding: 16px 24px;
  min-height: 0;
}

/* ---------- primary visual magazine canvas ---------- */

.canvas {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--panel-border);
  min-height: 0;
}

/* Modular background layer — one element, swapped wholesale by
   applyCoverScene() in script.js. Everything text-related lives in
   .canvas-overlay instead, so a scene swap never touches the overlay. */
.cover-scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: #030a1a;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.starfield {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

/* Global ambient layer — sits behind the whole shell (header, radio panel,
   footer, not just the canvas), z-index: -1 so it never needs any of the
   real content above it to declare its own stacking order. Sparse/low
   opacity by design: an ambient wash, not a second focal starfield. */
.ambient-stars {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  pointer-events: none;
}

.star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  animation: twinkle linear infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.15; }
  50% { opacity: 0.9; }
}

/* Slow-drifting nebula blobs — procedural CSS, not a photo. Colors come
   from --nebula-a/b/c, set per-scene so this whole layer is swappable
   without touching markup. */
.nebula-layer {
  position: absolute;
  inset: -10%;
  pointer-events: none;
  background:
    radial-gradient(circle at 22% 28%, color-mix(in srgb, var(--nebula-a) 75%, transparent), transparent 45%),
    radial-gradient(circle at 78% 18%, color-mix(in srgb, var(--nebula-b) 65%, transparent), transparent 50%),
    radial-gradient(circle at 55% 70%, color-mix(in srgb, var(--nebula-c) 60%, transparent), transparent 55%);
  filter: blur(45px);
  opacity: 0.8;
  mix-blend-mode: screen;
  animation: nebula-drift 26s ease-in-out infinite alternate;
}

@keyframes nebula-drift {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-3%, 2%) scale(1.06); }
}

.horizon-glow {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -30%;
  height: 55%;
  background: radial-gradient(ellipse at center, var(--cyan-glow), transparent 70%);
  filter: blur(30px);
  pointer-events: none;
}

/* Sits above .cover-scene (both effectively z-index 0, later in DOM order
   wins) and below .canvas-overlay (z-index 1) — real drifting particles
   over the static background image, not a second copy of .starfield. */
#hero-star-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  mix-blend-mode: screen;
  opacity: 0.8;
}

.canvas-overlay {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  /* Text sits in the top half, over the real photo's dark sky region. */
  justify-content: flex-start;
  padding: 48px 36px 32px;
}

/* Subtle, localized wash behind the text column only — fades out well
   before the right edge, so most of the image stays completely
   untouched. Not a full-canvas scrim. */
.canvas-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  max-width: 640px;
  background: linear-gradient(90deg, rgba(2, 6, 23, 0.55) 0%, rgba(2, 6, 23, 0.3) 55%, transparent 100%);
}

.edition-tag {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 24px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.95), 0 4px 16px rgba(0, 0, 0, 0.7);
}

.coverline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.coverline a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 4px 0;
  border-left: 3px solid transparent;
  padding-left: 16px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.coverline a:hover {
  border-left-color: var(--cyan);
  transform: translateX(4px);
}

.coverline-title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", sans-serif;
  font-size: clamp(32px, 5vw, 58px);
  font-weight: 300;
  letter-spacing: 0.005em;
  line-height: 1.05;
  color: #ffffff;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.95), 0 6px 24px rgba(0, 0, 0, 0.75);
}

.coverline-sub {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dim);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.95), 0 3px 12px rgba(0, 0, 0, 0.8);
}

/* ---------- radio central side panel ---------- */

.radio-panel {
  border-radius: var(--radius);
  border: 1px solid var(--panel-border);
  background: var(--panel);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 0;
  overflow-y: auto;
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Brief highlight when a coverline click jumps focus here — makes the
   scroll read as a real activation, not just a page shift. */
.radio-panel.panel-pulse {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), 0 0 40px rgba(34, 211, 238, 0.35);
}

.radio-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.radio-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.radio-title {
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-dim);
}

.radio-live {
  margin-left: auto;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 999px;
  padding: 2px 8px;
}

.radio-station-name {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
}

.radio-station-sub {
  font-size: 10px;
  color: var(--text-faint);
  margin: 0;
}

.radio-spectrum {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 50px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.3);
}

.spectrum-bar {
  flex: 1;
  height: 100%;
  background: var(--cyan);
  opacity: 0.6;
  border-radius: 2px;
  transform-origin: bottom;
  animation: bounce 1.2s ease-in-out infinite;
}

/* transform, not a % height — percentage heights on a flex item's cross
   axis don't reliably resolve against the container here (Safari/Chrome
   both collapsed these to 0px in testing); scaleY sidesteps that. */
@keyframes bounce {
  0%, 100% { transform: scaleY(0.15); }
  50% { transform: scaleY(0.8); }
}

.radio-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.radio-play {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radio-volume {
  flex: 1;
  accent-color: var(--cyan);
}

.channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid var(--panel-border);
  padding-top: 12px;
}

.channel-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
  padding: 6px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
}

.channel-row-placeholder {
  opacity: 0.5;
}

.channel-tag {
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.radio-expand {
  margin-top: auto;
  background: none;
  border: 1px solid var(--panel-border);
  color: var(--text-dim);
  border-radius: 8px;
  padding: 10px;
  font-size: 11px;
  letter-spacing: 0.05em;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.radio-expand:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- footer metadata bar ---------- */

.footer-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  border-top: 1px solid var(--panel-border);
  font-size: 10px;
  color: var(--text-faint);
  background: rgba(2, 6, 23, 0.85);
}

.footer-domain {
  color: var(--text-dim);
}

.footer-bar a:hover {
  color: var(--cyan);
}

.footer-sep {
  opacity: 0.4;
}

.footer-social {
  margin-left: auto;
  display: flex;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---------- demo overlay ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.overlay.open {
  display: flex;
}

/* Dark glassmorphism card — translucent + blurred, with a faint metallic
   edge highlight echoing the header/bezel language rather than a flat
   panel color. */
.overlay-card {
  position: relative;
  width: min(440px, 90vw);
  background: linear-gradient(160deg, rgba(20, 28, 46, 0.65), rgba(8, 13, 24, 0.75));
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  border: 1px solid rgba(228, 230, 235, 0.18);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.12), 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.overlay-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: none;
  border: none;
  color: var(--text-faint);
  font-size: 14px;
}

.overlay-close:hover {
  color: var(--text);
}

.overlay-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.5);
  background: var(--cyan-soft);
  border-radius: 999px;
  padding: 4px 10px;
  margin: 0 0 14px;
}

.overlay-card h2 {
  font-size: 19px;
  margin: 0 0 10px;
}

.overlay-card p {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

.overlay-cta {
  display: block;
  text-align: center;
  margin-top: 18px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--text);
  color: var(--bg);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  transition: opacity 0.15s ease;
}

/* Real auth overlay — hosts an iframe pointing at the genuine Ai One
   Supabase auth modal (?embed=1 mode), not a demo. Sized to fit that
   modal's real content rather than the fixed 440px demo card above. */
.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.auth-overlay.open {
  display: flex;
}

.auth-overlay-card {
  position: relative;
  width: min(420px, 92vw);
  height: min(600px, 88vh);
  background: linear-gradient(160deg, rgba(20, 28, 46, 0.85), rgba(8, 13, 24, 0.92));
  border: 1px solid rgba(228, 230, 235, 0.18);
  border-radius: var(--radius);
  box-shadow: 0 0 60px rgba(34, 211, 238, 0.12), 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.auth-overlay-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: transparent;
}

.auth-overlay-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 1;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 13, 24, 0.6);
  border: 1px solid rgba(228, 230, 235, 0.18);
  border-radius: 999px;
  color: var(--text-faint);
  font-size: 13px;
}

.auth-overlay-close:hover {
  color: var(--text);
}

.overlay-cta:hover {
  opacity: 0.85;
}

/* ---------- Radio Central dashboard view ---------- */
/* Same --cyan accent as the rest of the site (not a separate hardcoded
   shade) so this view reads as part of the same product, not a bolted-on
   screen. */

#radio-central-view {
  padding: 28px 32px;
  box-sizing: border-box;
  color: var(--text-dim);
}

.rc-header {
  display: flex;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.rc-badge {
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 11px;
  letter-spacing: 0.05em;
  flex-shrink: 0;
}

.rc-title-area {
  flex: 1;
}

.rc-title-area h1 {
  margin: 0;
  letter-spacing: 0.1em;
  color: var(--text);
  font-size: 22px;
}

.rc-title-area p {
  margin: 5px 0 0;
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 0.05em;
}

.rc-header-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 11px;
}

.rc-status-pill {
  color: var(--text-faint);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.rc-back-btn {
  background: var(--cyan);
  color: var(--bg);
  border: none;
  padding: 9px 16px;
  font-weight: 700;
  font-size: 11px;
  cursor: pointer;
  border-radius: 999px;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.rc-back-btn:hover {
  opacity: 0.85;
}

.rc-categories {
  display: flex;
  gap: 10px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.rc-cat {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  color: var(--text-faint);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 11px;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.rc-cat.active,
.rc-cat:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.rc-filter-input {
  margin-left: auto;
  background: var(--bg);
  border: 1px solid var(--panel-border);
  color: var(--text);
  padding: 8px 15px;
  border-radius: 999px;
  width: 200px;
  font-family: inherit;
  font-size: 11px;
}

.rc-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 20px;
}

.rc-card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 18px;
}

.rc-section-label {
  font-size: 10px;
  color: var(--cyan);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 14px;
}

.rc-station-row,
.rc-chan-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.02);
  padding: 12px 14px;
  border-radius: 8px;
}

.rc-chan-item + .rc-chan-item {
  margin-top: 10px;
}

.rc-station-badge,
.rc-chan-logo {
  background: var(--cyan-soft);
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.4);
  padding: 8px 10px;
  font-weight: 700;
  font-size: 11px;
  border-radius: 6px;
  flex-shrink: 0;
}

.rc-chan-logo-placeholder {
  color: var(--text-faint);
  border-color: var(--panel-border-hover);
  background: transparent;
}

.rc-station-info h3,
.rc-chan-item h4 {
  margin: 0;
  color: var(--text);
  font-size: 14px;
}

.rc-station-info p,
.rc-chan-item p {
  margin: 3px 0 0;
  font-size: 11px;
  color: var(--text-faint);
}

.rc-chan-item > div {
  flex: 1;
  min-width: 0;
}

.rc-chan-tag {
  font-size: 9px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  flex-shrink: 0;
}

.rc-chan-tag-demo {
  color: var(--text-faint);
}

.rc-chan-item[hidden] {
  display: none;
}

.rc-tune-btn,
.rc-footer-tune {
  margin-left: auto;
  background: var(--cyan);
  color: var(--bg);
  border: none;
  padding: 9px 16px;
  font-weight: 700;
  font-size: 11px;
  cursor: pointer;
  border-radius: 999px;
  flex-shrink: 0;
  transition: opacity 0.15s ease;
}

.rc-tune-btn:hover,
.rc-footer-tune:hover {
  opacity: 0.85;
}

.rc-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}

.rc-stat-box {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 14px;
  text-align: center;
  border-radius: 10px;
}

.rc-stat-box h2 {
  margin: 0;
  color: var(--cyan);
  font-size: 18px;
}

.rc-stat-box span {
  font-size: 9px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

.rc-control-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.rc-play-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  cursor: pointer;
}

.rc-volume-slider-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
}

.rc-slider {
  flex: 1;
  accent-color: var(--cyan);
}

.rc-footer-bar {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 10px;
}

.rc-footer-now {
  display: flex;
  align-items: center;
  gap: 14px;
}

.rc-footer-icon {
  font-size: 18px;
}

.rc-footer-label {
  font-size: 9px;
  color: var(--cyan);
  letter-spacing: 0.05em;
}

.rc-footer-now h4 {
  margin: 2px 0;
  color: var(--text);
  font-size: 13px;
}

.rc-footer-now p {
  margin: 0;
  font-size: 10px;
  color: var(--text-faint);
}

/* ---------- responsive ---------- */

@media (max-width: 860px) {
  /* .shell stays fixed at 100vh at every width now — each .view-container
     scrolls internally (overflow-y: auto) instead of the page growing
     taller than the viewport, since the two views are absolutely
     positioned siblings that need a shared, stable frame to flip inside. */

  .main-grid {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  .footer-bar {
    flex-wrap: wrap;
  }

  .rc-header {
    flex-wrap: wrap;
  }

  .rc-grid {
    grid-template-columns: 1fr;
  }

  .rc-filter-input {
    margin-left: 0;
    width: 100%;
  }

  .rc-footer-bar {
    flex-wrap: wrap;
    gap: 12px;
  }
}