/* ============================================================
   U0C Ambient — elegant vinyl music player (site-wide)
   Lives bottom inline-start corner; messenger FAB owns inline-end.
   Self-contained: zero dependency on other widget styles.
   ============================================================ */

.um{position:fixed;inset-inline-start:18px;inset-block-end:max(18px,env(safe-area-inset-bottom));z-index:89;
    font-family:inherit;-webkit-tap-highlight-color:transparent}

/* ---------- the vinyl disc FAB ---------- */
.um-disc{position:relative;width:56px;height:56px;padding:0;border:0;border-radius:50%;cursor:pointer;
    background:
        radial-gradient(circle at 34% 28%, rgba(255,255,255,.16), transparent 45%),
        repeating-radial-gradient(circle at 50% 50%, #0a0c11 0 2.5px, #12151d 2.5px 5px),
        #0a0c11;
    box-shadow:0 10px 28px -10px rgba(0,0,0,.7), inset 0 0 0 1px rgba(250,204,21,.14), 0 0 0 0 rgba(250,204,21,0);
    transition:transform .35s cubic-bezier(.34,1.56,.64,1), box-shadow .35s ease}
.um-disc:hover{transform:scale(1.07)}
.um-disc:active{transform:scale(.94)}

/* breathing invite while autoplay is still blocked */
.um.is-idle .um-disc{animation:um-breathe 2.6s ease-in-out infinite}
@keyframes um-breathe{
    0%,100%{box-shadow:0 10px 28px -10px rgba(0,0,0,.7), inset 0 0 0 1px rgba(250,204,21,.14), 0 0 0 0 rgba(250,204,21,.22)}
    50%{box-shadow:0 10px 28px -10px rgba(0,0,0,.7), inset 0 0 0 1px rgba(250,204,21,.24), 0 0 0 7px rgba(250,204,21,0)}
}

/* label + grooves sheen — shows the U0C logo mark (favicon glyph) */
.um-label{position:absolute;inset:31%;border-radius:50%;
    background:radial-gradient(circle at 50% 38%, #16233c, #0B1220 62%);
    box-shadow:inset 0 0 0 1.5px rgba(250,204,21,.4), inset 0 2px 6px rgba(255,255,255,.08);
    display:flex;align-items:center;justify-content:center}
.um-label svg{width:52%;height:52%;display:block}

.um-sheen{position:absolute;inset:0;border-radius:50%;overflow:hidden;pointer-events:none}
.um-sheen::before{content:'';position:absolute;inset:0;border-radius:50%;
    background:conic-gradient(from 0deg, transparent 0 78%, rgba(255,255,255,.10) 88%, transparent 100%)}

/* spinning while playing */
.um-spin{position:absolute;inset:3%;border-radius:50%;
    animation:um-rot 4.6s linear infinite;animation-play-state:paused}
.um.is-playing .um-spin{animation-play-state:running}
@keyframes um-rot{to{transform:rotate(360deg)}}

/* progress ring */
.um-ring{position:absolute;inset:-3px;width:calc(100% + 6px);height:calc(100% + 6px);
    transform:rotate(-90deg);pointer-events:none}
.um-ring circle{fill:none;stroke:rgba(255,255,255,.10);stroke-width:3}
.um-ring .um-ring-fg{stroke:#FACC15;stroke-linecap:round;filter:drop-shadow(0 0 4px rgba(250,204,21,.65))}

/* mini equalizer */
.um-eq{position:absolute;inset-inline-end:9%;inset-block-end:6%;display:none;gap:2px;align-items:flex-end;height:10px;
    background:rgba(5,7,12,.72);padding:3px 4px;border-radius:6px;box-shadow:inset 0 0 0 1px rgba(250,204,21,.18)}
.um.is-playing .um-eq{display:flex}
.um-eq i{width:2.5px;border-radius:2px;background:#FACC15;animation:um-eq 1s ease-in-out infinite}
.um-eq i:nth-child(2){animation-delay:.28s}
.um-eq i:nth-child(3){animation-delay:.55s}
@keyframes um-eq{0%,100%{height:3px}50%{height:10px}}

/* ---------- expanded glass panel ---------- */
.um-panel{position:absolute;inset-block-end:calc(100% + 12px);inset-inline-start:0;width:284px;padding:18px 18px 16px;
    border-radius:24px;border:1px solid rgba(250,204,21,.15);
    background:linear-gradient(165deg, rgba(16,19,28,.94), rgba(9,11,17,.90));
    -webkit-backdrop-filter:blur(20px) saturate(1.35);backdrop-filter:blur(20px) saturate(1.35);
    box-shadow:0 30px 70px -22px rgba(0,0,0,.75), inset 0 1px 0 rgba(255,255,255,.06), 0 0 0 4px rgba(250,204,21,.03);
    transform-origin:30% 110%;transition:opacity .18s ease, transform .22s cubic-bezier(.34,1.56,.64,1)}
.um-panel[hidden]{display:none}
.um.is-opening .um-panel{animation:um-pop .34s cubic-bezier(.34,1.56,.64,1)}
@keyframes um-pop{from{opacity:0;transform:scale(.62) translateY(14px)}to{opacity:1;transform:none}}
.um.is-closing .um-panel{opacity:0;transform:scale(.8)}

/* aurora blob inside panel */
.um-glow{position:absolute;inset:0;border-radius:24px;overflow:hidden;pointer-events:none}
.um-glow::before{content:'';position:absolute;width:120px;height:120px;inset-block-start:-46px;inset-inline-end:-34px;
    background:radial-gradient(circle, rgba(250,204,21,.22), transparent 70%);filter:blur(18px);
    animation:um-glide 9s ease-in-out infinite}
.um-glow::after{content:'';position:absolute;width:110px;height:110px;inset-block-end:-40px;inset-inline-start:-30px;
    background:radial-gradient(circle, rgba(59,130,246,.16), transparent 70%);filter:blur(20px);
    animation:um-glide 11s ease-in-out infinite reverse}
@keyframes um-glide{0%,100%{transform:translate(0,0)}50%{transform:translate(-14px,10px)}}

.um-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.um-art{position:relative;width:82px;height:82px;flex:0 0 auto;
    background:
        radial-gradient(circle at 34% 28%, rgba(255,255,255,.16), transparent 45%),
        repeating-radial-gradient(circle at 50% 50%, #0a0c11 0 3.5px, #131620 3.5px 7px),
        #0a0c11;
    border-radius:50%;box-shadow:inset 0 0 0 1px rgba(250,204,21,.16), 0 10px 26px -12px rgba(0,0,0,.8)}
.um-art .um-label{inset:34%}
.um-art .um-spin{inset:4%}
.um-ring--art{inset:-4px;width:calc(100% + 8px);height:calc(100% + 8px)}
.um-meta{min-width:0;flex:1;text-align:start}
.um-title{font-size:.95rem;font-weight:800;color:#fdf6e3;letter-spacing:.2px;
    white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.um-sub{font-size:.68rem;color:rgba(253,246,227,.55);margin-top:3px;direction:ltr;font-family:"Space Grotesk",monospace}
.um-state{display:inline-flex;align-items:center;gap:5px;margin-top:7px;font-size:.66rem;color:#FACC15;
    background:rgba(250,204,21,.09);border:1px solid rgba(250,204,21,.2);padding:2.5px 9px;border-radius:99px}
.um-state i{width:5px;height:5px;border-radius:50%;background:#FACC15;animation:um-pulse 1.6s ease-in-out infinite}
.um.is-paused .um-state i{animation:none;opacity:.35}
@keyframes um-pulse{0%,100%{opacity:1}50%{opacity:.25}}

/* progress bar (inside a row with ±10s skip buttons) */
.um-seek{display:flex;align-items:center;gap:7px;margin:16px 2px 6px}
.um-bar{position:relative;height:5px;flex:1;border-radius:99px;background:rgba(255,255,255,.09);
    cursor:pointer;touch-action:none}
.um-bar::before{content:'';position:absolute;inset-block:-7px;inset-inline:0}   /* fat hit area */
.um-bar:focus-visible{outline:2px solid #FACC15;outline-offset:4px;border-radius:99px}
.um-fill{position:absolute;inset:0;width:0%;border-radius:99px;
    background:linear-gradient(90deg,#f59e0b,#FACC15);box-shadow:0 0 8px rgba(250,204,21,.5);transition:width .12s linear}
.um-fill::after{content:'';position:absolute;top:50%;inset-inline-end:-4px;transform:translateY(-50%);
    width:10px;height:10px;border-radius:50%;background:#fdf6e3;box-shadow:0 0 0 3px rgba(250,204,21,.4);}
.um-times{display:flex;justify-content:space-between;direction:ltr;font-size:.62rem;color:rgba(253,246,227,.5);
    font-family:"Space Grotesk",monospace;letter-spacing:.5px}

/* controls */
.um-ctrl{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.um-btn{appearance:none;border:0;background:rgba(255,255,255,.05);color:#fdf6e3;width:38px;height:38px;
    border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);transition:background .2s ease, transform .2s ease}
.um-btn:hover{background:rgba(250,204,21,.13);transform:translateY(-1px)}
.um-btn svg{width:17px;height:17px}
.um-btn--big{width:52px;height:52px;border-radius:50%;color:#221a02;
    background:linear-gradient(160deg,#fde68a,#FACC15 55%,#eab308);
    box-shadow:0 10px 24px -8px rgba(250,204,21,.55), inset 0 1px 0 rgba(255,255,255,.5)}
.um-btn--big:hover{transform:scale(1.06)}
.um-btn--big:active{transform:scale(.94)}
.um-btn--sm{width:32px;height:26px;border-radius:9px;font-size:.6rem;font-weight:700;letter-spacing:.4px;
    color:rgba(253,246,227,.85);font-family:"Space Grotesk",monospace;direction:ltr;transform:none}
.um-btn--sm:hover{color:#FACC15;background:rgba(250,204,21,.13)}

/* volume (fine pointers only) */
.um-vol{display:none;flex:1;margin:0 10px;direction:ltr}
.um-vol input{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:99px;outline:none;
    background:linear-gradient(90deg,#FACC15 var(--vfill,80%),rgba(255,255,255,.12) var(--vfill,80%))}
.um-vol input::-webkit-slider-thumb{-webkit-appearance:none;width:13px;height:13px;border-radius:50%;background:#fff;
    box-shadow:0 0 0 3px rgba(250,204,21,.35);cursor:pointer}
.um-vol input::-moz-range-thumb{width:13px;height:13px;border:0;border-radius:50%;background:#fff;
    box-shadow:0 0 0 3px rgba(250,204,21,.35);cursor:pointer}
@media (pointer:fine){.um-vol{display:block}}

/* close */
.um-close{position:absolute;inset-block-start:10px;inset-inline-end:10px;width:26px;height:26px;border:0;border-radius:50%;
    background:rgba(255,255,255,.06);color:rgba(253,246,227,.7);cursor:pointer;display:flex;align-items:center;
    justify-content:center;transition:background .2s}
.um-close:hover{background:rgba(250,204,21,.16);color:#FACC15}
.um-close svg{width:11px;height:11px}

/* floating notes */
.um-note{position:absolute;inset-block-start:8%;inset-inline-start:12%;pointer-events:none;color:#FACC15;
    opacity:0;font-size:.8rem;animation:um-note 2.6s ease-out forwards;text-shadow:0 0 8px rgba(250,204,21,.5)}
@keyframes um-note{
    0%{opacity:0;transform:translate(0,0) rotate(var(--r,0deg)) scale(.7)}
    18%{opacity:.85}
    100%{opacity:0;transform:translate(var(--dx,14px),-46px) rotate(calc(var(--r,0deg) + 24deg)) scale(1.05)}
}

/* ---------- light theme ---------- */
[data-theme="light"] .um-panel{
    background:linear-gradient(165deg, rgba(255,255,255,.96), rgba(244,247,252,.92));
    border-color:rgba(217,119,6,.2);box-shadow:0 30px 70px -24px rgba(11,59,92,.35), inset 0 1px 0 rgba(255,255,255,.7)}
[data-theme="light"] .um-title{color:#1e2937}
[data-theme="light"] .um-sub,[data-theme="light"] .um-times{color:rgba(30,41,55,.55)}
[data-theme="light"] .um-state{color:#b45309;background:rgba(217,119,6,.09);border-color:rgba(217,119,6,.22)}
[data-theme="light"] .um-state i{background:#d97706}
[data-theme="light"] .um-btn{color:#243447;background:rgba(11,59,92,.06);box-shadow:inset 0 0 0 1px rgba(11,59,92,.1)}
[data-theme="light"] .um-btn:hover{background:rgba(217,119,6,.12)}
[data-theme="light"] .um-btn--sm{color:#243447}
[data-theme="light"] .um-btn--sm:hover{color:#d97706;background:rgba(217,119,6,.12)}
[data-theme="light"] .um-bar:focus-visible{outline-color:#d97706}
[data-theme="light"] .um-label{background:radial-gradient(circle at 50% 38%, #101b30, #0B1220 62%)}
[data-theme="light"] .um-bar{background:rgba(11,59,92,.14)}
[data-theme="light"] .um-ring circle{stroke:rgba(11,59,92,.16)}
[data-theme="light"] .um-ring .um-ring-fg{stroke:#d97706}
[data-theme="light"] .um-note{color:#d97706}

/* ---------- mobile ---------- */
@media (max-width:640px){
    .um{inset-inline-start:12px}
    .um-disc{width:50px;height:50px}
    .um-panel{width:min(300px, calc(100vw - 56px));padding:16px 16px 14px}
    .um-art{width:72px;height:72px}
    .um-eq{display:none!important}   /* too tight near the disc on phones */
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
    .um-spin,.um-eq i,.um-glow::before,.um-glow::after,.um.is-idle .um-disc{animation:none!important}
    .um-note{display:none}
    .um.is-opening .um-panel{animation:none}
}