/* ============================================================
   Sky Xperience — PETRONAS Twin Towers weather visualisation
   Brand tokens straight from the guide (p.11 / p.13)
   ============================================================ */
:root{
  --turquoise:#00AE9D;        /* Pantone 3268 C — accent / fulcrum / sun  */
  --turquoise-d:#008B7E;
  --turquoise-l:#5BD0C2;
  --dark:#005272;             /* Dark Bluish Grey — Pantone 3025 C        */
  --dark-2:#013A52;
  --ink:#231F20;              /* brand black                              */
  --paper:#F4F8F8;
  --sans:"Helvetica Neue",Helvetica,Arial,sans-serif;
  --data:Arial,"Helvetica Neue",sans-serif;
  --script:"Snell Roundhand","Apple Chancery","Segoe Script",cursive;
  --panel:rgba(1,30,42,.42);
  --panel-line:rgba(255,255,255,.16);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;width:100%;overflow:hidden;background:var(--dark-2);
  font-family:var(--sans);color:#fff;-webkit-font-smoothing:antialiased}

/* ---- scene canvas fills the viewport ---- */
#sky{position:fixed;inset:0;width:100vw;height:100vh;display:block}

/* ============================================================
   Top bar : logo + live readout
   ============================================================ */
.topbar{position:fixed;top:0;left:0;right:0;z-index:5;
  display:flex;justify-content:space-between;align-items:flex-start;
  padding:22px 26px;pointer-events:none}

.logo{display:flex;align-items:center;gap:14px;
  filter:drop-shadow(0 2px 12px rgba(0,0,0,.45))}
.logo-mark{width:54px;height:50px;flex:0 0 auto}
.logo-type{line-height:1}
.logo-name b{font-weight:700;letter-spacing:.04em;font-size:17px;display:block}
.logo-name span{font-weight:700;font-size:17px;letter-spacing:.01em}
.logo-script{font-family:var(--script);font-size:22px;color:#fff;
  margin-top:2px;font-weight:400}

/* ---- readout panel ---- */
.readout{pointer-events:auto;min-width:260px;max-width:340px;
  background:var(--panel);backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
  border:1px solid var(--panel-line);border-radius:14px;padding:14px 16px 16px;
  box-shadow:0 12px 40px rgba(0,0,0,.35)}
.readout-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.r-emoji{font-size:40px;line-height:1;filter:drop-shadow(0 2px 6px rgba(0,0,0,.4))}
.r-label{font-size:18px;font-weight:600;letter-spacing:.01em}
.r-datetime{font-family:var(--data);font-size:12.5px;opacity:.72;margin-top:2px}

/* ---- metric spike gauges (brand chart language) ---- */
.metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}
.metric{font-family:var(--data)}
.metric .m-top{display:flex;justify-content:space-between;align-items:baseline;
  margin-bottom:5px}
.metric .m-name{font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;opacity:.7}
.metric .m-val{font-size:15px;font-weight:700}
.metric .m-val small{font-size:9.5px;font-weight:400;opacity:.7;margin-left:1px}
/* triangular spike track */
.spike{position:relative;height:14px;border-radius:3px;overflow:hidden;
  background:rgba(255,255,255,.10)}
.spike i{position:absolute;left:0;top:0;bottom:0;
  background:linear-gradient(90deg,var(--turquoise-d),var(--turquoise),var(--turquoise-l));
  /* a row of small triangles via clip echoes p.19 spike chart */
  clip-path:polygon(0 100%,4% 0,8% 100%,12% 0,16% 100%,20% 0,24% 100%,28% 0,32% 100%,
    36% 0,40% 100%,44% 0,48% 100%,52% 0,56% 100%,60% 0,64% 100%,68% 0,72% 100%,
    76% 0,80% 100%,84% 0,88% 100%,92% 0,96% 100%,100% 0,100% 100%,0 100%);
  transition:width .25s ease}

/* ============================================================
   Edge step arrows (shown in year / month / day)
   ============================================================ */
.navarrow{position:fixed;top:50%;transform:translateY(-50%);z-index:6;
  width:54px;height:54px;border-radius:50%;cursor:pointer;
  border:1px solid var(--panel-line);background:var(--panel);
  backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);
  display:none;align-items:center;justify-content:center;
  box-shadow:0 8px 26px rgba(0,0,0,.35);transition:background .18s,opacity .18s,transform .12s}
.navarrow.show{display:flex}
.navarrow.prev{left:18px}
.navarrow.next{right:18px}
.navarrow:hover{background:var(--turquoise);border-color:transparent}
.navarrow:active{transform:translateY(-50%) scale(.94)}
.navarrow[disabled]{opacity:.2;cursor:default;pointer-events:none}
.navarrow svg{width:24px;height:24px;fill:none;stroke:#fff;stroke-width:2.4;
  stroke-linecap:round;stroke-linejoin:round}
@media (max-width:680px){ .navarrow{width:42px;height:42px} .navarrow.prev{left:6px} .navarrow.next{right:6px} }

/* ============================================================
   Loader
   ============================================================ */
.loader{position:fixed;inset:0;z-index:20;background:var(--dark-2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;
  transition:opacity .6s ease}
.loader.done{opacity:0;pointer-events:none}
.loader-mark svg{width:78px;height:72px;animation:rise 2.2s ease-in-out infinite}
@keyframes rise{0%,100%{transform:translateY(0);opacity:.85}50%{transform:translateY(-7px);opacity:1}}
.loader-text{font-family:var(--data);font-size:13.5px;letter-spacing:.04em;opacity:.8}
.loader-bar{width:220px;height:3px;border-radius:3px;background:rgba(255,255,255,.14);overflow:hidden}
.loader-bar i{display:block;height:100%;width:0;background:var(--turquoise);transition:width .2s}

/* ============================================================
   Timeline
   ============================================================ */
.timeline{position:fixed;left:0;right:0;bottom:0;z-index:5;
  padding:10px 86px 14px;        /* side padding leaves room for the edge arrows */
  background:linear-gradient(0deg,rgba(1,22,31,.94) 0%,rgba(1,22,31,.9) 72%,rgba(1,22,31,.55) 92%,rgba(1,22,31,0) 100%)}
.tl-controls{display:flex;align-items:center;gap:16px;margin-bottom:8px}

.play{pointer-events:auto;width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;
  background:var(--turquoise);display:grid;place-items:center;flex:0 0 auto;
  box-shadow:0 6px 18px rgba(0,174,157,.45);transition:transform .12s,background .2s}
.play:hover{transform:scale(1.06)}
.play:active{transform:scale(.96)}
.play svg{width:22px;height:22px;fill:#fff}
.play .ic-pause{display:none}
.play.playing .ic-play{display:none}
.play.playing .ic-pause{display:block}

/* cursor position vs. entire visible domain — two clearly-distinguished readouts */
.tl-readouts{flex:1 1 auto;display:flex;align-items:stretch;gap:20px;min-width:0}
.tl-block{display:flex;flex-direction:column;gap:4px;justify-content:center;line-height:1.05;min-width:0}
.tl-cap{font-family:var(--data);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;
  display:flex;align-items:center;gap:6px;white-space:nowrap}
.tl-block.cursor .tl-cap{color:var(--turquoise)}
.tl-block.domain .tl-cap{color:rgba(255,255,255,.5)}
.tl-cap .tri{width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;
  border-top:7px solid var(--turquoise)}
.tl-cap .rng{position:relative;width:18px;height:7px}
.tl-cap .rng::before{content:"";position:absolute;left:0;right:0;top:3px;height:2px;background:rgba(255,255,255,.5)}
.tl-cap .rng::after{content:"";position:absolute;left:0;right:0;top:0;height:7px;
  border-left:2px solid rgba(255,255,255,.5);border-right:2px solid rgba(255,255,255,.5)}
.tl-val{font-size:16px;font-weight:600;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tl-block.cursor .tl-val b{font-weight:700}
.tl-block.cursor .tl-val span{font-family:var(--data);font-weight:400;opacity:.72;font-size:13px;margin-left:7px}
.tl-block.domain{padding-left:20px;border-left:1px solid rgba(255,255,255,.14)}
.tl-block.domain .tl-val{font-weight:500;opacity:.85;font-size:15px;
  align-self:flex-start;border-bottom:2px solid rgba(255,255,255,.28);padding-bottom:3px}

.zoom{display:flex;gap:4px;background:rgba(255,255,255,.08);border-radius:10px;padding:3px}
.zoom button{pointer-events:auto;border:none;background:transparent;color:#fff;cursor:pointer;
  font-family:var(--data);font-size:12px;letter-spacing:.05em;padding:6px 13px;border-radius:7px;
  opacity:.62;transition:.18s}
.zoom button:hover{opacity:.9}
.zoom button.active{background:var(--turquoise);opacity:1;font-weight:700;
  box-shadow:0 3px 10px rgba(0,174,157,.4)}

.collapse{pointer-events:auto;display:flex;align-items:center;gap:7px;cursor:pointer;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;
  border-radius:10px;padding:7px 12px;font-family:var(--data);font-size:12px;letter-spacing:.04em;
  transition:.18s}
.collapse:hover{background:rgba(255,255,255,.12)}
.collapse svg{width:16px;height:16px;fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round}

.tl-canvas-wrap{position:relative;height:412px;cursor:crosshair;
  border-radius:10px;overflow:hidden}
.timeline.collapsed .tl-canvas-wrap{height:104px}
#timeline{position:absolute;inset:0;width:100%;height:100%;display:block}
.tl-hint{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:var(--data);font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:rgba(255,255,255,.5);pointer-events:none;transition:opacity .4s}
.tl-hint.hide{opacity:0}

@media (max-width:680px){
  .readout{display:none}
  .logo-script{font-size:18px}
  .tl-now-date{font-size:15px}
}