/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; overflow: hidden; }

/* ══════════════════════════════════════════
   THEMES
══════════════════════════════════════════ */
:root, [data-theme="dark"] {
  --bg          : #07090f;
  --surface     : #111827;
  --surface2    : #1a2235;
  --border      : rgba(255,255,255,0.07);
  --text        : #e2e8f0;
  --muted       : #64748b;
  --dim         : #1e2d3d;
  --accent      : #00e5ff;
  --accent-glow : rgba(0,229,255,0.35);
  --note        : #ff4d6d;
  --up          : #ff4d6d;
  --down        : #34d399;
  --line-fill-t : rgba(0,229,255,0.20);
  --line-fill-m : rgba(0,229,255,0.06);
  --grid-y      : rgba(255,255,255,0.055);
  --grid-x      : rgba(255,255,255,0.032);
  --tick        : #475569;
  --tip-bg      : rgba(10,14,26,0.95);
  --tip-border  : rgba(0,229,255,0.25);
  --badge-val   : #00e5ff;
  --badge-lbl   : #94a3b8;
  --footer-bg   : rgba(0,0,0,0.38);
  --footer-text : #cbd5e1;
}
[data-theme="light"] {
  --bg          : #f0f4f8;
  --surface     : #ffffff;
  --surface2    : #e8edf2;
  --border      : rgba(0,0,0,0.08);
  --text        : #1a202c;
  --muted       : #718096;
  --dim         : #a0aec0;
  --accent      : #0070f3;
  --accent-glow : rgba(0,112,243,0.25);
  --note        : #e53e3e;
  --up          : #e53e3e;
  --down        : #38a169;
  --line-fill-t : rgba(0,112,243,0.20);
  --line-fill-m : rgba(0,112,243,0.06);
  --grid-y      : rgba(0,0,0,0.07);
  --grid-x      : rgba(0,0,0,0.04);
  --tick        : #718096;
  --tip-bg      : rgba(255,255,255,0.97);
  --tip-border  : rgba(0,112,243,0.3);
  --badge-val   : #0050c8;
  --badge-lbl   : #4a5568;
  --footer-bg   : rgba(200,210,220,0.75);
  --footer-text : #2d3748;
}
[data-theme="green"] {
  --bg          : #061208;
  --surface     : #0a1f0d;
  --surface2    : #122517;
  --border      : rgba(52,211,153,0.1);
  --text        : #d1fae5;
  --muted       : #6ee7b7;
  --dim         : #1a3a25;
  --accent      : #34d399;
  --accent-glow : rgba(52,211,153,0.35);
  --note        : #f59e0b;
  --up          : #f59e0b;
  --down        : #34d399;
  --line-fill-t : rgba(52,211,153,0.20);
  --line-fill-m : rgba(52,211,153,0.06);
  --grid-y      : rgba(52,211,153,0.08);
  --grid-x      : rgba(52,211,153,0.05);
  --tick        : #6ee7b7;
  --tip-bg      : rgba(6,18,8,0.95);
  --tip-border  : rgba(52,211,153,0.3);
  --badge-val   : #34d399;
  --badge-lbl   : #6ee7b7;
  --footer-bg   : rgba(0,0,0,0.45);
  --footer-text : #a7f3d0;
}
[data-theme="amber"] {
  --bg          : #100c00;
  --surface     : #1a1400;
  --surface2    : #261e00;
  --border      : rgba(251,191,36,0.1);
  --text        : #fef3c7;
  --muted       : #fbbf24;
  --dim         : #3a2e00;
  --accent      : #f59e0b;
  --accent-glow : rgba(245,158,11,0.35);
  --note        : #ef4444;
  --up          : #ef4444;
  --down        : #34d399;
  --line-fill-t : rgba(245,158,11,0.20);
  --line-fill-m : rgba(245,158,11,0.06);
  --grid-y      : rgba(245,158,11,0.09);
  --grid-x      : rgba(245,158,11,0.05);
  --tick        : #fbbf24;
  --tip-bg      : rgba(16,12,0,0.95);
  --tip-border  : rgba(245,158,11,0.3);
  --badge-val   : #f59e0b;
  --badge-lbl   : #fbbf24;
  --footer-bg   : rgba(0,0,0,0.45);
  --footer-text : #fef3c7;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
}

/* ══════════════════════════════════════════
   LAYOUT
══════════════════════════════════════════ */
#wrapper { position: relative; width: 100vw; height: 100vh; }
canvas   { position: absolute; inset: 0; width: 100%; height: 100%; }

/* ── TOP BAR ── */
#topbar {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: space-between;
  padding: .9rem 1.6rem;
  z-index: 20; pointer-events: none;
}
#topbar > * { pointer-events: all; }

/* NAV pill */
#nav {
  display: flex; gap: 3px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 99px; padding: 3px;
}
.nav-btn {
  font: 600 .7rem/1 inherit;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .34rem 1rem; border-radius: 99px;
  border: none; cursor: pointer;
  transition: background .2s, color .2s;
  background: transparent; color: var(--dim);
}
.nav-btn.active { background: rgba(255,255,255,.1); color: var(--accent); }
.nav-btn:hover:not(.active) { background: rgba(255,255,255,.05); color: var(--muted); }

/* right controls */
#controls { display: flex; align-items: center; gap: .5rem; }

/* Theme toggle button */
.ctrl-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px; padding: .28rem .55rem;
  cursor: pointer; color: var(--muted);
  font-size: .72rem; letter-spacing: .06em;
  transition: background .25s, color .25s, border-color .25s, box-shadow .25s;
  display: flex; align-items: center; gap: .4rem;
  line-height: 1;
}
.ctrl-btn:hover {
  background: var(--surface2);
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}
.ctrl-btn svg { transition: transform .4s cubic-bezier(.34,1.56,.64,1); }
.ctrl-btn:hover svg { transform: rotate(30deg) scale(1.12); }
.ctrl-btn-label { font: 600 .68rem/1 inherit; letter-spacing: .07em; text-transform: uppercase; }

/* ── THEME PICKER OVERLAY ── */
#theme-overlay {
  position: fixed; inset: 0; z-index: 60;
  display: flex; align-items: flex-start; justify-content: flex-end;
  padding: 3.8rem 1.6rem 0;
  pointer-events: none; opacity: 0;
  transition: opacity .2s;
}
#theme-overlay.show { opacity: 1; pointer-events: all; }
#theme-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px; padding: .6rem;
  display: flex; flex-direction: column; gap: 2px;
  min-width: 180px;
  transform: translateY(-8px) scale(.96);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1);
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
}
#theme-overlay.show #theme-panel { transform: translateY(0) scale(1); }
#theme-panel-head {
  font: 600 .6rem/1 inherit; letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim); padding: .3rem .5rem .5rem;
}
.theme-opt {
  display: flex; align-items: center; gap: .7rem;
  padding: .5rem .7rem; border-radius: 9px;
  cursor: pointer; border: none;
  background: transparent; color: var(--muted);
  font: 500 .8rem/1 inherit; text-align: left;
  transition: background .18s, color .18s;
}
.theme-opt:hover  { background: rgba(255,255,255,.06); color: var(--text); }
.theme-opt.active { background: rgba(255,255,255,.07); color: var(--accent); font-weight: 700; }
.theme-swatch {
  width: 28px; height: 14px; border-radius: 4px;
  flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.12);
}

/* ── MAIN OVERLAY ── */
#overlay {
  position: fixed; inset: 0; z-index: 50;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.65); backdrop-filter: blur(10px);
  opacity: 0; pointer-events: none; transition: opacity .3s ease;
}
#overlay.show { opacity: 1; pointer-events: all; }
.overlay-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px; width: min(520px, 92vw); max-height: 80vh;
  overflow: hidden; display: flex; flex-direction: column;
  transform: scale(.94); transition: transform .3s cubic-bezier(.34,1.56,.64,1);
}
#overlay.show .overlay-box { transform: scale(1); }
.overlay-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.4rem; border-bottom: 1px solid var(--border);
}
.overlay-title { font: 700 .9rem/1 inherit; color: var(--text); letter-spacing: .03em; }
.overlay-close {
  background: rgba(255,255,255,.06); border: none;
  width: 28px; height: 28px; border-radius: 99px;
  color: var(--muted); font-size: 1rem; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.overlay-close:hover { background: rgba(255,255,255,.12); color: var(--text); }
.overlay-body { padding: 1.2rem 1.4rem; overflow-y: auto; flex: 1; }
.overlay-body p { font: 400 .82rem/1.7 inherit; color: var(--muted); }
.coming-soon {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: .7rem; padding: 2.5rem 0;
}
.coming-soon span:first-child { font-size: 2.2rem; }
.coming-soon span:last-child {
  font: 600 .8rem/1 inherit; letter-spacing: .1em;
  text-transform: uppercase; color: var(--dim);
}

/* ── REALTIME BADGE (inline topbar) ── */
#rt-badge {
  display: flex; align-items: center; gap: .45rem;
  background: var(--surface);
  border: 1px solid var(--badge-val);
  border-radius: 10px; padding: .34rem .9rem;
  font-size: .72rem; line-height: 1;
  box-shadow: 0 0 12px color-mix(in srgb, var(--badge-val) 28%, transparent),
              inset 0 0 8px color-mix(in srgb, var(--badge-val) 7%, transparent);
  transition: box-shadow .4s ease, border-color .4s ease;
}
#rt-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--badge-val);
  box-shadow: 0 0 6px var(--badge-val);
  animation: blink 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
#rt-val {
  font: 700 .88rem/1 inherit;
  color: var(--badge-val); letter-spacing: -.01em;
  animation: rt-val-pulse 3.4s ease-in-out infinite;
}
#rt-val.flash { animation: flash .5s ease forwards; }
#rt-lbl {
  font: 600 .68rem/1 inherit;
  color: var(--badge-lbl); letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap; max-width: 110px;
  overflow: hidden; text-overflow: ellipsis;
}

@keyframes blink { 0%,100%{opacity:1} 50%{opacity:.2} }
@keyframes flash {
  0%   { color: var(--text); }
  30%  { color: var(--accent); text-shadow: 0 0 12px var(--accent-glow); }
  100% { color: var(--accent); text-shadow: none; }
}
@keyframes rt-val-pulse {
  0%, 100% { opacity: 1; text-shadow: none; }
  40%       { opacity: .55; text-shadow: none; }
  50%       { opacity: 1;   text-shadow: 0 0 14px var(--badge-val), 0 0 28px color-mix(in srgb, var(--badge-val) 50%, transparent); }
  60%       { opacity: .55; text-shadow: none; }
}

/* ── CENTER LINE DETAIL ── */
#cl-detail {
  position: absolute; pointer-events: none; user-select: none;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  opacity: 0;
  transition: opacity .5s ease, top .15s cubic-bezier(.25,.46,.45,.94);
  transform: translateX(-50%);
  background: var(--tip-bg);
  border: 1px solid var(--tip-border);
  border-radius: 12px; padding: .6rem .9rem;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
#cl-detail.on { opacity: 1; }
#cl-year { font: 700 .62rem/1 inherit; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
#cl-kurs { font: 800 1.05rem/1 inherit; color: var(--accent); letter-spacing: -.01em; }
#cl-delta {
  font: 600 .28rem/1 inherit; letter-spacing: .02em;
  padding: .17rem .48rem; border-radius: 99px;
  transition: color .3s, background .3s;
}
#cl-delta.up   { color: var(--up);   background: rgba(255,77,109,.12); }
#cl-delta.down { color: var(--down); background: rgba(52,211,153,.12); }
#cl-delta.flat { color: var(--muted); background: rgba(100,116,139,.12); }

/* ── HOVER TOOLTIP ── */
#tooltip {
  position: absolute; pointer-events: none; user-select: none;
  background: var(--tip-bg); border: 1px solid var(--tip-border);
  border-radius: 12px; padding: .7rem 1rem;
  display: flex; flex-direction: column; gap: 5px;
  opacity: 0; transition: opacity .25s ease, transform .25s ease;
  white-space: nowrap; z-index: 10;
  transform: translate(-50%, calc(-100% - 16px)) scale(.97);
  min-width: 140px;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
}
#tooltip.on { opacity: 1; transform: translate(-50%, calc(-100% - 16px)) scale(1); }
#tip-year  { font: 700 .6rem/1 inherit; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
#tip-kurs  { font: 800 1.05rem/1 inherit; color: var(--accent); letter-spacing: -.01em; }
#tip-delta { font: 600 .28rem/1 inherit; padding: .15rem .45rem; border-radius: 99px; align-self: flex-start; transition: color .3s, background .3s; }
#tip-delta.up   { color: var(--up);   background: rgba(255,77,109,.14); }
#tip-delta.down { color: var(--down); background: rgba(52,211,153,.14); }
#tip-delta.flat { color: var(--muted); background: rgba(100,116,139,.1); }
#tip-note  { font: 400 .7rem/1.45 inherit; color: var(--muted); border-top: 1px solid var(--border); padding-top: 5px; margin-top: 2px; }

/* ── NOTE LABELS ── */
.nlabel {
  position: absolute; font: 600 .68rem/1 inherit; letter-spacing: .04em;
  color: var(--note); background: rgba(255,77,109,.09);
  border: 1px solid rgba(255,77,109,.38); border-radius: 6px;
  padding: .22rem .55rem; pointer-events: none; white-space: nowrap;
  transform: translateX(-50%) translateY(4px);
  opacity: 0; transition: opacity .55s ease, transform .55s ease;
}
.nlabel.on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── PAUSED HINT — hidden, pausing now via button only ── */
#phint { display: none; }

/* ── FOOTER ── */
#footer {
  position: absolute; bottom: 0; left: 0; right: 0;
  display: flex; align-items: center; justify-content: center; gap: .65rem;
  padding: .45rem 1rem;
  font: 400 12px/1 'Segoe UI', system-ui, sans-serif;
  letter-spacing: .03em;
  color: var(--footer-text);
  background: var(--footer-bg);
  pointer-events: none; user-select: none;
  z-index: 15;
}


.footer-sep {
  color: var(--muted);
  opacity: .6;
  font-size: 10px;
}

/* each span pulses with a staggered delay */
#footer > span {
  animation: footer-pulse 3.2s ease-in-out infinite;
}
#footer > span:nth-child(1) { animation-delay: 0s; }
#footer > span:nth-child(2) { animation-delay: .4s; }
#footer > span:nth-child(3) { animation-delay: .8s; }
#footer > span:nth-child(4) { animation-delay: 1.2s; }
#footer > span:nth-child(5) { animation-delay: 1.6s; }

@keyframes footer-pulse {
  0%, 100% { opacity: 1;    text-shadow: none; }
  45%       { opacity: .35; text-shadow: none; }
  50%       { opacity: .55; text-shadow: 0 0 8px var(--badge-val); color: var(--footer-text); }
  55%       { opacity: .35; text-shadow: none; }
}


/* ── PLAY BUTTON active state ── */
#play-btn.playing { border-color: var(--accent); color: var(--accent); }
#play-btn.playing svg { filter: drop-shadow(0 0 4px var(--accent)); }

/* ══════════════════════════════════════════
   SETTINGS PANEL
══════════════════════════════════════════ */
#settings-overlay {
  position: fixed; inset: 0; z-index: 58;
  display: flex; align-items: flex-start; justify-content: flex-end;
  padding: 3.8rem 4.8rem 0;
  pointer-events: none; opacity: 0;
  transition: opacity .2s;
}
#settings-overlay.show { opacity: 1; pointer-events: all; }

#settings-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px; padding: .8rem .9rem;
  display: flex; flex-direction: column; gap: 6px;
  min-width: 260px;
  transform: translateY(-8px) scale(.96);
  transition: transform .25s cubic-bezier(.34,1.56,.64,1);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
#settings-overlay.show #settings-panel { transform: translateY(0) scale(1); }

.settings-head {
  font: 600 .6rem/1 inherit; letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim); padding: .1rem .2rem .4rem;
  border-bottom: 1px solid var(--border); margin-bottom: 2px;
}
.sl-row { display: flex; flex-direction: column; gap: 4px; }
.sl-track-wrap { position: relative; }
.sl-track-wrap::after {
  content: ''; position: absolute; top: -3px; left: 50%;
  transform: translateX(-50%); width: 1px; height: 10px;
  background: rgba(255,255,255,0.25); pointer-events: none;
}
.sl-label {
  display: flex; justify-content: space-between; align-items: center;
  font: 500 .75rem/1 inherit; color: var(--muted); user-select: none;
}
.sl-val { font: 700 .7rem/1 inherit; color: var(--accent); min-width: 38px; text-align: right; }
.sl-range {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent) 50%, var(--dim) 50%, var(--dim) 100%);
  border-radius: 99px; outline: none; cursor: pointer;
}
.sl-range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 6px var(--accent-glow);
  cursor: pointer; transition: transform .15s;
}
.sl-range::-webkit-slider-thumb:hover { transform: scale(1.2); }
.sl-range::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; border: none;
  background: var(--accent); cursor: pointer;
}
.sl-divider { height: 1px; background: var(--border); margin: 2px 0; }

/* ── CENTER LINE DETAIL — auto follows curve intersection ── */
#cl-detail { cursor: default; pointer-events: none !important; }

/* ══════════════════════════════════════════
   SETTINGS — AUDIO SECTION
══════════════════════════════════════════ */
.settings-sub-head {
  display: flex; align-items: center; justify-content: space-between;
  font: 600 .6rem/1 inherit; letter-spacing: .12em; text-transform: uppercase;
  color: var(--dim); padding: .1rem .2rem .3rem;
}
.audio-mute-all {
  background: transparent; border: 1px solid var(--border);
  border-radius: 6px; padding: .22rem .3rem;
  cursor: pointer; color: var(--muted);
  display: flex; align-items: center;
  transition: color .2s, border-color .2s, background .2s; line-height: 1;
}
.audio-mute-all:hover { color: var(--accent); border-color: var(--accent); }
.audio-mute-all.muted { color: var(--note); border-color: var(--note); }
.audio-row {
  display: flex; align-items: center; gap: .55rem;
  padding: .32rem .2rem; border-bottom: 1px solid var(--border);
}
.audio-row:last-child { border-bottom: none; }
.audio-name {
  flex: 1; font: 500 .72rem/1 inherit; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.audio-toggle { position: relative; flex-shrink: 0; width: 30px; height: 16px; }
.audio-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.audio-toggle-track {
  position: absolute; inset: 0; background: var(--dim);
  border-radius: 99px; cursor: pointer; transition: background .25s;
}
.audio-toggle input:checked + .audio-toggle-track { background: var(--accent); }
.audio-toggle-track::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 12px; height: 12px; border-radius: 50%; background: #fff;
  transition: transform .25s cubic-bezier(.34,1.56,.64,1);
}
.audio-toggle input:checked + .audio-toggle-track::after { transform: translateX(14px); }
.audio-play-dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 5px var(--accent);
  flex-shrink: 0; opacity: 0; transition: opacity .3s;
}
.audio-play-dot.active { opacity: 1; }


/* ══════════════════════════════════════════
   MOBILE BAR — portrait topbar
   Layout: [Nav pill] ··· [RT badge] ··· [Hamburger]
   Hidden by default, shown only in portrait via media query
══════════════════════════════════════════ */
#mobile-bar {
  display: none; /* shown via @media below */
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 30;
  align-items: center;
  justify-content: space-between;
  padding: .6rem 1rem;
  background: rgba(7,9,15,0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  gap: .5rem;
}
[data-theme="light"] #mobile-bar {
  background: rgba(240,244,248,0.92);
}

/* ── Kiri: Nav pill ── */
#mob-nav {
  display: flex; gap: 3px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 3px;
  flex-shrink: 0;
}
.mob-nav-btn {
  font: 600 .68rem/1 inherit;
  letter-spacing: .08em; text-transform: uppercase;
  padding: .3rem .85rem; border-radius: 99px;
  border: none; cursor: pointer;
  background: transparent; color: var(--dim);
  transition: background .2s, color .2s;
  white-space: nowrap;
}
.mob-nav-btn.active {
  background: rgba(255,255,255,.1);
  color: var(--accent);
}

/* ── Tengah: RT badge ── */
#rt-badge-mob {
  display: flex; align-items: center; gap: .38rem;
  background: var(--surface);
  border: 1px solid var(--badge-val);
  border-radius: 10px;
  padding: .32rem .8rem;
  font-size: .72rem; line-height: 1;
  flex-shrink: 0;
  box-shadow: 0 0 12px color-mix(in srgb, var(--badge-val) 28%, transparent),
              inset 0 0 8px color-mix(in srgb, var(--badge-val) 7%, transparent);
  transition: box-shadow .4s ease, border-color .4s ease;
}
#rt-dot-mob {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--badge-val);
  box-shadow: 0 0 6px var(--badge-val);
  animation: blink 1.4s ease-in-out infinite;
  flex-shrink: 0;
}
#rt-val-mob {
  font: 700 .88rem/1 inherit;
  color: var(--badge-val); letter-spacing: -.01em;
  animation: rt-val-pulse 3.4s ease-in-out infinite;
}
#rt-lbl-mob {
  font: 600 .68rem/1 inherit;
  color: var(--badge-lbl); letter-spacing: .04em;
  text-transform: uppercase;
  white-space: nowrap; max-width: 90px;
  overflow: hidden; text-overflow: ellipsis;
}

/* ── Kanan: Hamburger + dropdown ── */
#mob-menu-wrap {
  position: relative;
  flex-shrink: 0;
}

#mob-toggle {
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .2s, color .2s, border-color .2s;
}
#mob-toggle.open {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--surface2);
}

/* Dropdown */
#mob-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 170px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: .45rem;
  display: flex; flex-direction: column; gap: 2px;
  opacity: 0; pointer-events: none;
  transform: translateY(-8px) scale(.95);
  transform-origin: top right;
  transition: opacity .2s, transform .22s cubic-bezier(.34,1.56,.64,1);
  box-shadow: 0 16px 48px rgba(0,0,0,.55);
  z-index: 50;
}
#mob-dropdown.open {
  opacity: 1; pointer-events: all;
  transform: translateY(0) scale(1);
}

.mob-dd-btn {
  display: flex; align-items: center; gap: .6rem;
  width: 100%; padding: .52rem .65rem;
  border: none; border-radius: 9px;
  background: transparent; color: var(--muted);
  font: 500 .8rem/1 inherit; cursor: pointer; text-align: left;
  transition: background .15s, color .15s;
}
.mob-dd-btn:active {
  background: rgba(255,255,255,.07); color: var(--accent);
}
.mob-dd-btn svg { flex-shrink: 0; }

.mob-dd-divider {
  height: 1px; background: var(--border); margin: 3px 0;
}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE PORTRAIT
══════════════════════════════════════════ */
@media (max-width: 520px) and (orientation: portrait) {

  /* Sembunyikan topbar desktop */
  #topbar { display: none; }

  /* Tampilkan mobile bar */
  #mobile-bar { display: flex; }

  /* Footer tetap, font kecil, pastikan terlihat */
  #footer {
    font-size: 9px;
    padding: .28rem .8rem;
    gap: .3rem;
    z-index: 25;
    background: var(--footer-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }
  #footer-ip,
  #footer > span:nth-child(2) { display: none; }

  /* Theme panel turun dari kanan — sesuaikan padding agar tidak tertutup mobile-bar */
  #theme-overlay {
    align-items: flex-start;
    justify-content: flex-end;
    padding: 58px 12px 0;
  }
  #theme-panel {
    transform: translateY(-8px) scale(.96);
    transform-origin: top right;
  }
  #theme-overlay.show #theme-panel {
    transform: translateY(0) scale(1);
  }

  /* Settings panel turun dari kanan */
  #settings-overlay {
    align-items: flex-start;
    justify-content: flex-end;
    padding: 58px 12px 0;
  }
  #settings-panel {
    min-width: 260px;
    max-height: 75vh;
    overflow-y: auto;
    transform: translateY(-8px) scale(.96);
    transform-origin: top right;
  }
  #settings-overlay.show #settings-panel {
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 360px) and (orientation: portrait) {
  .mob-nav-btn { padding: .26rem .65rem; font-size: .6rem; }
  #rt-val-mob  { font-size: .72rem; }
  #rt-lbl-mob  { display: none; }
  #mob-toggle  { width: 32px; height: 32px; }
}

/* ── AUDIO HINT — muncul jika autoplay diblokir browser ── */
#audio-hint {
  position: fixed;
  bottom: 48px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex; align-items: center; gap: .45rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: .38rem .9rem;
  font: 500 .72rem/1 inherit;
  color: var(--muted);
  pointer-events: none;
  white-space: nowrap;
  animation: hint-in .4s ease forwards;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
#audio-hint.hide {
  animation: hint-out .5s ease forwards;
}
@keyframes hint-in {
  from { opacity: 0; transform: translateX(-50%) translateY(8px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}
@keyframes hint-out {
  from { opacity: 1; transform: translateX(-50%) translateY(0); }
  to   { opacity: 0; transform: translateX(-50%) translateY(8px); }
}