/* ═══════════════════════════════════════════════════════════
   TRUCK SAFAR — styles.css
   Indian truck driver-seat POV + minimal floating music player
   Palette per design brief (Section 4)
   ═══════════════════════════════════════════════════════════ */

:root{
  --red:    #D12C29;   /* main truck interior          */
  --maroon: #601212;   /* shadows / depth              */
  --dash:   #33311D;   /* dashboard / outlines         */
  --terra:  #915940;   /* road / buildings             */
  --coral:  #C07863;   /* secondary surfaces           */
  --green:  #506F35;   /* trees / vegetation           */
  --sky:    #5073A3;   /* sky                          */
  --cream:  #DBCEC2;   /* highlights                   */
  --white:  #FDFDFD;   /* UI / text                    */
}

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

html,body{ height:100%; }

body{
  font-family:"Segoe UI", "Trebuchet MS", system-ui, sans-serif;
  background:var(--maroon);
  color:var(--white);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ── BACKGROUND SCENE ─────────────────────────────────── */
.scene{ position:fixed; inset:0; z-index:0; }
.hero{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover;          /* 16:9 image, fills any viewport */
  object-position:50% 55%;
  display:block;
}

/* looping background video layered over the crisp image */
.bg-video{
  position:absolute; inset:0;
  width:100%; height:100%;
  object-fit:cover; object-position:50% 55%;
  display:block; pointer-events:none;
}

/* 3D "look through the windshield" parallax — vars driven by JS.
   Applied to the scene wrapper so image + video move together. */
.parallax{
  transform:translate3d(var(--mx,0px), var(--my,0px), 0)
            scale(1.1)
            rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));
  transform-origin:50% 78%;   /* pivot near the driver's seat */
  will-change:transform;
  transition:transform .18s ease-out;
}

/* subtle paper / illustration grain */
.grain{
  position:absolute; inset:-50%;
  opacity:.06;
  mix-blend-mode:overlay;
  pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  animation:grain-shift 1.2s steps(3) infinite;
}
@keyframes grain-shift{
  0%{transform:translate(0,0);} 33%{transform:translate(-14px,10px);}
  66%{transform:translate(10px,-12px);} 100%{transform:translate(0,0);}
}

/* subtle bottom scrim keeps player text legible on bright areas */
.scrim{
  position:absolute; inset:auto 0 0 0; height:38%;
  background:linear-gradient(to top, rgba(32,20,12,.42), transparent);
  pointer-events:none;
}

/* ── TOP BAR (wordmark · clock · fullscreen) ───────────── */
.topbar{
  position:fixed; top:0; left:0; right:0; z-index:6;
  display:flex; justify-content:space-between; align-items:center;
  padding:16px 22px; gap:12px; pointer-events:none;
}
.topbar > *{ pointer-events:auto; }

.wordmark{
  background:rgba(255,252,248,.14);
  -webkit-backdrop-filter:blur(12px) saturate(1.1);
  backdrop-filter:blur(12px) saturate(1.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:99px;
  padding:8px 16px;
  font-size:clamp(13px, 2vw, 19px);
  letter-spacing:4px; font-weight:700;
  color:var(--white);
  box-shadow:0 6px 18px rgba(32,20,12,.3);
  text-shadow:0 1px 6px rgba(32,20,12,.4);
}

.top-right{ display:flex; align-items:center; gap:10px; }

/* live clock (glass pill) */
.clock{
  display:flex; flex-direction:column; align-items:flex-end; line-height:1.15;
  background:rgba(255,252,248,.14);
  -webkit-backdrop-filter:blur(12px) saturate(1.1);
  backdrop-filter:blur(12px) saturate(1.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:16px; padding:7px 14px;
  color:var(--white); box-shadow:0 6px 18px rgba(32,20,12,.3);
  text-shadow:0 1px 6px rgba(32,20,12,.4);
}
.clock-time{ font-size:19px; font-weight:700; font-variant-numeric:tabular-nums; letter-spacing:1px; }
.clock-date{ font-size:10px; letter-spacing:.5px; color:var(--cream); opacity:.9; }

/* fullscreen toggle (glass, matches player) */
.fs-btn{
  width:42px; height:42px; border-radius:14px;
  display:grid; place-items:center; font-size:18px; line-height:1;
  color:var(--white); cursor:pointer;
  background:rgba(255,252,248,.14);
  -webkit-backdrop-filter:blur(12px) saturate(1.1);
  backdrop-filter:blur(12px) saturate(1.1);
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 6px 18px rgba(32,20,12,.3);
  transition:background .15s, transform .12s;
}
.fs-btn:hover{ background:var(--red); border-color:var(--red); transform:scale(1.06); }

/* ── FLOATING PLAYER ──────────────────────────────────── */
.player{
  position:fixed; left:50%; bottom:26px; transform:translateX(-50%);
  z-index:10; display:flex; flex-direction:column; align-items:center; gap:10px;
  width:min(430px, calc(100vw - 28px));
}

.card{
  width:100%;
  display:grid; grid-template-columns:auto 1fr;
  grid-template-rows:auto auto;
  column-gap:14px; row-gap:8px; align-items:center;
  padding:14px 16px;
  background:rgba(255,252,248,.16);
  -webkit-backdrop-filter:blur(12px) saturate(1.1);
  backdrop-filter:blur(12px) saturate(1.1);
  border:1px solid rgba(255,255,255,.22);
  border-radius:20px;
  box-shadow:0 10px 34px rgba(32,20,12,.4);
}

/* album art badge */
.art{
  grid-row:1 / span 2; align-self:center;
  width:48px; height:48px; border-radius:12px;
  display:grid; place-items:center; font-size:24px;
  background:linear-gradient(135deg, var(--red), var(--maroon));
  border:1px solid rgba(255,255,255,.28);
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.12);
}

.meta{ min-width:0; }
.song{
  font-size:15px; font-weight:700; color:var(--white);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  text-shadow:0 1px 4px rgba(32,20,12,.5);
}
.artist{
  font-size:12px; color:var(--cream); opacity:.92;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}

/* progress bar */
.progress{
  grid-column:1 / -1;
  position:relative; height:6px; border-radius:99px;
  background:rgba(255,255,255,.28);
  cursor:pointer; touch-action:none;
}
.progress .fill{
  position:absolute; inset:0 auto 0 0; width:0%;
  border-radius:99px;
  background:linear-gradient(90deg, var(--red), var(--coral));
}
.progress .thumb{
  position:absolute; top:50%; left:0%; transform:translate(-50%,-50%);
  width:13px; height:13px; border-radius:50%;
  background:var(--white);
  box-shadow:0 1px 5px rgba(0,0,0,.4); opacity:0;
  transition:opacity .15s;
}
.progress:hover .thumb{ opacity:1; }

.times{
  grid-column:1 / -1;
  display:flex; justify-content:space-between;
  font-size:10.5px; letter-spacing:.4px; color:var(--cream); opacity:.9;
}

/* controls */
.controls{
  grid-column:1 / -1;
  display:flex; justify-content:center; align-items:center; gap:18px;
}
.ctrl{
  background:none; border:none; color:var(--white); cursor:pointer;
  font-size:18px; padding:6px; border-radius:50%;
  line-height:1; transition:transform .12s, color .12s;
}
.ctrl:hover{ color:var(--cream); transform:scale(1.12); }
.ctrl.play{
  font-size:24px; width:58px; height:58px;
  display:grid; place-items:center;
  background:linear-gradient(135deg, var(--red), var(--maroon));
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 6px 18px rgba(32,20,12,.4);
}
.ctrl.play:hover{ background:var(--red); color:var(--white); transform:scale(1.08); }

/* pressed feedback — flashes when a control is activated by a keyboard
   shortcut or by clicking it directly */
.ctrl.bump{
  animation:kbd-bump .26s ease;
}
@keyframes kbd-bump{
  0%  { transform:scale(1);    box-shadow:0 0 0 0 rgba(255,255,255,.9); }
  45% { transform:scale(1.22); box-shadow:0 6px 24px 8px rgba(255,255,255,.20); }
  100%{ transform:scale(1);    box-shadow:0 0 0 0 rgba(255,255,255,0); }
}

/* playlist toggle */
.pl-toggle{
  align-self:center;
  background:rgba(255,252,248,.16);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.22);
  color:var(--white); border-radius:99px;
  padding:7px 16px; font-size:12px; letter-spacing:.5px; cursor:pointer;
  box-shadow:0 6px 18px rgba(32,20,12,.35);
  transition:background .15s;
}
.pl-toggle:hover{ background:rgba(255,255,255,.26); }

/* ── PLAYLIST DRAWER ──────────────────────────────────── */
.playlist{
  position:fixed; left:50%; bottom:calc(26px + 150px);
  transform:translateX(-50%) translateY(12px);
  width:min(430px, calc(100vw - 28px));
  z-index:9;
  background:rgba(40,26,18,.82);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.18);
  border-radius:18px;
  padding:14px;
  opacity:0; pointer-events:none;
  transition:opacity .22s ease, transform .22s ease;
  box-shadow:0 16px 44px rgba(0,0,0,.4);
}
.playlist.open{ opacity:1; pointer-events:auto; transform:translateX(-50%) translateY(0); }
.pl-head{
  font-size:11px; letter-spacing:2px; color:var(--cream);
  opacity:.85; margin-bottom:8px; text-align:center;
}
.playlist ul{ list-style:none; max-height:42vh; overflow-y:auto; }
.playlist li{
  display:flex; align-items:center; gap:10px;
  padding:9px 10px; border-radius:10px; cursor:pointer;
  transition:background .12s;
}
.playlist li:hover{ background:rgba(255,255,255,.1); }
.playlist li.active{ background:rgba(209,44,41,.35); }
.pl-num{
  font-size:11px; color:var(--cream); opacity:.8; width:22px; text-align:right;
  flex:none; font-variant-numeric:tabular-nums;
}
.pl-meta{ min-width:0; flex:1; }
.pl-title{ display:block; font-size:13px; font-weight:600; color:var(--white);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.pl-artist{ display:block; font-size:11px; color:var(--cream); opacity:.85;
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.pl-now{ color:var(--coral); font-size:11px; flex:none; }

/* scrollbar */
.playlist ul::-webkit-scrollbar{ width:6px; }
.playlist ul::-webkit-scrollbar-thumb{ background:rgba(255,255,255,.25); border-radius:99px; }

/* ── TOAST (graceful missing-file notice) ─────────────── */
.toast{
  position:fixed; left:50%; bottom:18px; transform:translateX(-50%) translateY(20px);
  z-index:20; background:rgba(32,20,12,.9); color:var(--white);
  border:1px solid rgba(255,255,255,.2); border-radius:99px;
  padding:8px 18px; font-size:12.5px; letter-spacing:.3px;
  opacity:0; pointer-events:none; transition:opacity .25s, transform .25s;
}
.toast.show{ opacity:1; transform:translateX(-50%) translateY(0); }

/* ── RESPONSIVE ───────────────────────────────────────── */
@media (max-width:560px){
  .topbar{ padding:12px 14px; }
  .clock-date{ display:none; }
  .clock-time{ font-size:16px; }
  .fs-btn{ width:38px; height:38px; }
  .wordmark{ letter-spacing:2px; padding:7px 12px; }
}
@media (max-width:480px){
  .player{ bottom:16px; }
  .playlist{ bottom:calc(16px + 150px); }
  .card{ padding:12px; }
}