/* =========================================================
   YEAR ZERO RADIO — page
   ========================================================= */
.radio-page{
  --rp-red:#ff2d1f;
  --rp-amber:#ffa53a;
  background:#000;min-height:100vh;min-height:100svh;display:flex;flex-direction:column;overflow-x:hidden;
}

/* top bar */
.rp-top{display:flex;align-items:center;gap:20px;padding:18px var(--gutter);border-bottom:1px solid rgba(255,45,31,.18)}
.rp-logo{width:70px;color:var(--paper);flex:none}
.rp-logo:hover{color:var(--rp-red)}
.rp-brand{margin:0;font-family:var(--f-wide);font-size:13px;letter-spacing:.42em;color:var(--paper)}
.rp-brand b{font-weight:400;color:var(--rp-red);text-shadow:0 0 12px rgba(255,45,31,.7)}
.rp-top__right{margin-left:auto;display:flex;align-items:center;gap:18px}
.rp-back{font-size:12px;letter-spacing:.18em;text-transform:uppercase;text-decoration:none;color:var(--paper-dim)}
.rp-back:hover{color:var(--rp-red)}

/* layout */
.rp{flex:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,380px);gap:clamp(20px,3vw,48px);padding:clamp(16px,2.4vw,32px) var(--gutter) clamp(20px,3vw,36px)}

/* big meter */
.rp-meter{position:relative;min-height:62vh;border:1px solid rgba(255,45,31,.12);background:radial-gradient(ellipse at 50% 70%, rgba(255,45,31,.07), transparent 70%), #000;overflow:hidden}
.rp-meter canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.rp-meter::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom, rgba(0,0,0,.22) 0 1px, transparent 1px 3px)}
.rp-start{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;
  background:rgba(0,0,0,.6);border:1.5px solid var(--rp-red);color:var(--rp-red);padding:16px 28px;
  font-size:14px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;
  text-shadow:0 0 10px rgba(255,45,31,.8);box-shadow:0 0 30px rgba(255,45,31,.35), inset 0 0 14px rgba(255,45,31,.2);
  transition:opacity .5s, background .3s, color .3s;
}
.rp-start:hover{background:var(--rp-red);color:#000;text-shadow:none}
.radio-page.is-playing .rp-start,.radio-page.has-started .rp-start{opacity:0;pointer-events:none}

/* panel */
.rp-panel{display:flex;flex-direction:column;min-width:0}
.rp-status{display:flex;align-items:center;gap:10px;margin:0 0 18px;font-size:12px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.rp-status i{width:10px;height:10px;border-radius:50%;background:#3a1210}
.radio-page.is-playing .rp-status{color:var(--rp-red);text-shadow:0 0 10px rgba(255,45,31,.7)}
.radio-page.is-playing .rp-status i{background:var(--rp-red);box-shadow:0 0 12px var(--rp-red);animation:blink 1.4s steps(1) infinite}
.rp-freq{margin:0;font-family:var(--f-title);font-size:clamp(64px,7vw,108px);line-height:.9;color:var(--rp-red);text-shadow:0 0 28px rgba(255,45,31,.55)}
.rp-freq small{font-size:.22em;margin-left:.4em;letter-spacing:.2em;color:var(--rp-amber);text-shadow:0 0 12px rgba(255,165,58,.6)}
.rp-name{margin:14px 0 2px;font-family:var(--f-title);font-size:clamp(22px,2vw,30px);letter-spacing:.06em;color:var(--paper)}
.rp-genre{margin:0;font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.radio-page.is-tuning .rp-freq,.radio-page.is-tuning .rp-name{animation:flick .12s steps(2) infinite}

.rp-controls{display:flex;align-items:center;gap:14px;margin:28px 0 34px}
.rp-btn{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,45,31,.45);background:transparent;color:var(--rp-red);font-size:12px;letter-spacing:-.15em;display:grid;place-items:center;transition:box-shadow .3s, background .3s}
.rp-btn:hover{box-shadow:0 0 22px rgba(255,45,31,.5);background:rgba(255,45,31,.08)}
.rp-btn--play{width:68px;height:68px;font-size:18px;letter-spacing:0;border-color:var(--rp-red);box-shadow:0 0 20px rgba(255,45,31,.35), inset 0 0 12px rgba(255,45,31,.2)}
.rp-btn--play .i-pause{display:none}
.rp-btn--play[aria-pressed="true"] .i-play{display:none}
.rp-btn--play[aria-pressed="true"] .i-pause{display:inline}

.rp-title{margin:0 0 10px;font-family:var(--f-body);font-weight:700;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--rp-amber)}
.rp-list{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.1)}
.rp-list button{
  width:100%;display:grid;grid-template-columns:28px 54px 1fr auto;align-items:baseline;gap:10px;
  padding:14px 4px;background:none;border:0;border-bottom:1px solid rgba(255,255,255,.1);text-align:left;color:var(--paper-dim);
  transition:background .25s,color .25s;
}
.rp-list button:hover{background:rgba(255,45,31,.06);color:var(--paper)}
.rp-list .n{font-size:11px;color:var(--muted)}
.rp-list .f{font-size:13px;color:var(--rp-red);font-weight:600}
.rp-list .t{font-family:var(--f-title);font-size:17px;letter-spacing:.04em;color:inherit;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rp-list .g{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.rp-list [aria-current="true"]{color:var(--paper)}
.rp-list [aria-current="true"] .n{color:var(--rp-red)}
.rp-list [aria-current="true"] .n::before{content:"▶";}
.rp-list [aria-current="true"] .n span{display:none}
.rp-note{margin-top:auto;padding-top:26px;font-size:12px;line-height:1.6;color:var(--muted)}

@media (max-width:900px){
  .rp{grid-template-columns:1fr}
  .rp-meter{min-height:56vh}
  .rp-brand{display:none}
}
@media (max-width:520px){
  .rp-back{font-size:10px}
  .rp-top{gap:12px}
  .rp-logo{width:54px}
}