/* The phone line: a warm dark room, the caller in cream, Parley in one teal, faults in one red. */
:root {
  color-scheme: dark;
  --bg: #15110e;
  --raised: #1d1814;
  --sunk: #100d0b;
  --ink: #f1e8da;
  --ink-2: #bcae9b;
  --ink-3: #928573;
  --line: #342b24;
  --line-2: #4a3e34;
  --caller: #e2cfae;
  --accent: #5cc8b0;
  --accent-ink: #0c1a16;
  --accent-soft: rgba(92, 200, 176, 0.14);
  --signal: #f07158;
  --signal-soft: rgba(240, 113, 88, 0.13);

  --display: "Bricolage Grotesque", "IBM Plex Sans", sans-serif;
  --text: "IBM Plex Sans", "IBM Plex Sans Arabic", sans-serif;
  --arabic: "IBM Plex Sans Arabic", "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;

  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-move: cubic-bezier(0.77, 0, 0.175, 1);
  --gutter: 16px;
  --radius: 14px;
  --radius-sm: 8px;
}
@media (min-width: 760px) { :root { --gutter: 32px; } }
/* The player stays in reach while the transcript scrolls, but only where it leaves room to read. */
@media (min-width: 760px) and (min-height: 640px) {
  .line { position: sticky; top: 0; }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; -webkit-tap-highlight-color: transparent; }
button { touch-action: manipulation; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1rem/1.6 var(--text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--accent); color: var(--accent-ink); }
a { color: var(--accent); text-underline-offset: 0.2em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
h1, h2 { font-family: var(--display); font-weight: 600; margin: 0; text-wrap: balance; }
h2 { font-size: 1.35rem; letter-spacing: -0.015em; line-height: 1.2; font-variation-settings: "opsz" 32; }
p { margin: 0; text-wrap: pretty; }
.hint { color: var(--ink-3); font-size: 0.875rem; max-width: 62ch; }

.skip { position: absolute; left: var(--gutter); top: -60px; z-index: 3; background: var(--accent); color: var(--accent-ink);
        padding: 10px 14px; border-radius: var(--radius-sm); font-weight: 600; text-decoration: none; }
.skip:focus { top: 12px; }

.masthead, main, .foot { max-width: 1180px; margin: 0 auto; padding-inline: var(--gutter); }
.masthead { padding-top: clamp(40px, 8vw, 88px); padding-bottom: 28px;
            display: grid; gap: 18px; align-items: end; }
@media (min-width: 900px) { .masthead { grid-template-columns: auto 1fr; gap: 56px; } }
h1 { font-size: clamp(3.5rem, 11vw, 6rem); line-height: 0.9; letter-spacing: -0.035em;
     font-variation-settings: "opsz" 96; font-weight: 650; }
.lede { max-width: 58ch; color: var(--ink-2); font-size: 1.0625rem; padding-bottom: 6px; }

/* ---- the call selector ---- */
.line { position: relative; z-index: 2; background: var(--bg); padding: 14px 0 16px;
        border-bottom: 1px solid var(--line); }
.dial { position: relative; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0;
        background: var(--sunk); border: 1px solid var(--line); border-radius: 999px; padding: 4px; max-width: 640px; }
.dial-thumb { position: absolute; top: 0; left: 0; width: 0; height: 0; border-radius: 999px;
              background: var(--raised); box-shadow: 0 1px 0 rgba(255, 240, 220, 0.06) inset, 0 4px 14px rgba(0, 0, 0, 0.35);
              pointer-events: none; opacity: 0; transition: background-color 200ms ease, opacity 200ms ease; }
.dial[data-fault] .dial-thumb { background: #3a1f19; }
.dial button { position: relative; font: 500 0.9375rem/1.2 var(--text); color: var(--ink-2); background: none; border: 0;
               border-radius: 999px; min-height: 44px; padding: 8px 10px; cursor: pointer; white-space: nowrap;
               transition: color 200ms ease, transform 140ms var(--ease-out); }
.dial button:hover { color: var(--ink); }
.dial button:active { transform: scale(0.97); }
.dial button[aria-pressed="true"] { color: var(--ink); }
.dial button.fault[aria-pressed="true"] { color: #ffd9cf; }
.dial button:disabled { color: var(--ink-3); cursor: default; }
@media (max-width: 520px) { .dial { grid-template-columns: repeat(2, minmax(0, 1fr)); border-radius: 26px; } }

.note { color: var(--ink-3); font-size: 0.875rem; margin-top: 10px; min-height: 1.6em; max-width: 90ch; }

.deck { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; margin-top: 12px; }
@media (max-width: 560px) {
  .deck { grid-template-columns: auto 1fr; row-gap: 4px; }
  .deck .clock { grid-column: 2; grid-row: 1; justify-self: end; align-self: start; }
  .deck .wave-wrap { grid-column: 1 / -1; }
}
.play { position: relative; display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%;
        border: 0; background: var(--accent); color: var(--accent-ink); cursor: pointer;
        box-shadow: 0 4px 12px rgba(5, 3, 2, 0.5);
        transition: transform 140ms var(--ease-out), background-color 200ms ease, box-shadow 200ms ease; }
.play.small { width: 44px; height: 44px; }
.play svg { width: 22px; height: 22px; fill: currentColor; grid-area: 1 / 1; transition: opacity 160ms ease, transform 200ms var(--ease-out); }
.play .i-play { transform: translateX(1px); }
.play .i-pause, .play[data-state="playing"] .i-play { opacity: 0; transform: scale(0.7); }
.play[data-state="playing"] .i-pause { opacity: 1; transform: none; }
.play:hover { background: #74d6c0; }
.play:active { transform: scale(0.95); }
.play:disabled { background: var(--line-2); color: var(--ink-3); box-shadow: none; cursor: default; }
.play:disabled svg { opacity: 0.5; }
.spinner { grid-area: 1 / 1; width: 22px; height: 22px; border-radius: 50%; border: 2px solid currentColor;
           border-right-color: transparent; opacity: 0; }
.play[data-state="loading"] svg { opacity: 0; }
.play[data-state="loading"] .spinner { opacity: 1; animation: spin 700ms linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.wave-wrap { min-width: 0; }
.wave { display: block; width: 100%; height: 64px; cursor: ew-resize; touch-action: none; border-radius: 6px; }
.wave:focus-visible { outline-offset: 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; margin-top: 6px; font-size: 0.75rem; color: var(--ink-3); }
.key::before { content: ""; display: inline-block; width: 10px; height: 3px; border-radius: 2px; margin-right: 6px;
               vertical-align: middle; background: currentColor; }
.key.caller::before { background: var(--caller); }
.key.agent::before { background: var(--accent); }
.key.event::before { width: 2px; height: 10px; background: var(--accent); }
.key.event.fault::before { background: var(--signal); }
.clock { font: 500 0.875rem/1 var(--mono); font-variant-numeric: tabular-nums; color: var(--ink); white-space: nowrap; }
.clock .of { color: var(--ink-3); }

/* ---- transcript and side column ---- */
.split { display: grid; gap: 40px; padding-top: 32px; }
@media (min-width: 980px) { .split { grid-template-columns: minmax(0, 1fr) 340px; gap: 56px; } }
.transcript h2 { margin-bottom: 6px; }
.transcript .hint { margin-bottom: 18px; }
.log { position: relative; list-style: none; margin: 0; padding: 0 6px 0 0; max-height: min(72vh, 760px); overflow-y: auto;
       overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
/* Under the sticky player the transcript box ends at the bottom of the screen, so the spoken line stays in view. */
@media (min-width: 760px) and (min-height: 640px) { .log { max-height: max(320px, calc(100dvh - 380px)); } }
.log-empty { color: var(--ink-3); font-size: 0.9375rem; padding: 22px 0; border-top: 1px dashed var(--line-2); }

.turn { position: relative; padding: 14px 0 16px 18px; border-top: 1px solid var(--line);
        opacity: 0; transform: translateY(6px); visibility: hidden;
        transition: opacity 280ms var(--ease-out), transform 280ms var(--ease-out), visibility 0s linear 280ms; }
.turn.on { opacity: 1; transform: none; visibility: visible; transition-delay: 0s; }
.turn::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 2px; border-radius: 2px;
                background: var(--caller); opacity: 0.35; transition: opacity 200ms ease; }
.turn.agent::before { background: var(--accent); }
.turn.now::before { opacity: 1; }
.turn.fault::before { background: var(--signal); }
.meta { display: flex; align-items: baseline; gap: 10px; font-size: 0.8125rem; color: var(--ink-3); margin-bottom: 4px; }
.who { color: var(--ink-2); font-weight: 500; }
.turn.agent .who { color: var(--accent); }
.at { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: 0.75rem; }
.tag { font-family: var(--mono); font-size: 0.6875rem; padding: 1px 7px; border-radius: 4px;
       background: var(--signal-soft); color: var(--signal); }

.scripts { display: grid; gap: 4px 24px; }
.scripts.two { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 720px) {
  /* Arabic sits on the right where the eye starts reading it, the romanised line mirrors it on the left. */
  .scripts.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .scripts.two .spoken { grid-column: 2; grid-row: 1; }
  .scripts.two .translit { grid-column: 1; grid-row: 1; align-self: center; }
}
.spoken { font-size: 1.0625rem; line-height: 1.6; unicode-bidi: plaintext; }
.spoken[dir="rtl"] { text-align: right; }
.turn.now .spoken { color: #fff7ea; }
.translit { font-style: italic; color: var(--ink-3); font-size: 0.875rem; line-height: 1.55; }

/* Plex Sans Arabic draws smaller than Plex Sans at the same size, so Arabic runs get a larger optical size and more leading. */
[lang="ar"], .ar { font-family: var(--arabic); font-size: 1.12em; line-height: 1.9; letter-spacing: 0; font-feature-settings: "kern"; }
.spoken [lang="ar"], bdi.ar { font-size: 1.1em; line-height: 1; }
.spoken[lang="ar"] { font-size: 1.1875rem; line-height: 1.95; }

.script-line { font-size: 0.8125rem; color: var(--ink-3); margin-top: 6px; unicode-bidi: plaintext; }
.script-line b { font-weight: 500; color: var(--ink-2); margin-inline-end: 6px; }

.fact { background-image: linear-gradient(var(--accent), var(--accent)); background-repeat: no-repeat;
        background-position: 0 100%; background-size: 0% 1.5px; padding-bottom: 1px; border-radius: 2px;
        transition: background-size 420ms var(--ease-out), background-color 160ms ease; }
.turn.on .fact { background-size: 100% 1.5px; }
.fact.hot { background-color: var(--accent-soft); }
.fact.from-caller { background-image: linear-gradient(var(--caller), var(--caller)); }

.sources { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; }
.src { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; font-size: 0.8125rem; color: var(--ink-2);
       padding: 6px 10px; border-radius: var(--radius-sm); background: var(--sunk); border: 1px solid var(--line);
       opacity: 0; transform: translateY(4px) scale(1.02);
       transition: opacity 240ms var(--ease-out), transform 320ms var(--ease-out), border-color 160ms ease; }
.turn.on .src { opacity: 1; transform: none; transition-delay: calc(120ms + var(--i, 0) * 60ms); }
.src.hot { border-color: var(--accent); }
.src code { font: 500 0.75rem/1.4 var(--mono); color: var(--accent); }
.src .ref { font: 400 0.75rem/1.4 var(--mono); color: var(--ink-3); }
.src .vals { color: var(--ink); unicode-bidi: plaintext; }
.src.caller code { color: var(--caller); }
.checked { font: 400 0.75rem/1.4 var(--mono); color: var(--ink-3); margin-top: 6px; }

.side { display: grid; gap: 28px; align-content: start; }
@media (min-width: 980px) { .side { position: sticky; top: 196px; } }

.ticket { border-radius: var(--radius); padding: 18px 18px 20px; background: var(--raised);
          box-shadow: 0 1px 0 rgba(255, 240, 220, 0.05) inset, 0 12px 32px rgba(5, 3, 2, 0.45); }
.ticket h2 { font-size: 1.125rem; margin-bottom: 12px; }
.ticket[data-state="pending"] { background: transparent; box-shadow: none; outline: 1px dashed var(--line-2); outline-offset: -1px; }
.ticket[data-state="booked"] h2 { color: var(--accent); }
.ticket[data-state="fault"] { background: #221512; }
.ticket[data-state="fault"] h2 { color: var(--signal); }
#card-body.enter { animation: print 460ms var(--ease-out); }
@keyframes print { from { clip-path: inset(0 0 100% 0); opacity: 0.4; } to { clip-path: inset(0 0 0 0); opacity: 1; } }
.ticket dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 8px 16px; font-size: 0.9375rem; }
.ticket dt { color: var(--ink-3); }
.ticket dd { margin: 0; }
.ticket dd[dir="rtl"] { text-align: right; }
.ticket .muted { color: var(--ink-3); font-size: 0.9375rem; }
.ticket .src-line { margin-top: 14px; font: 400 0.75rem/1.5 var(--mono); color: var(--ink-3); overflow-wrap: anywhere; }
.ticket .src-line code { color: var(--accent); font: inherit; }
.audit { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 2px; font: 400 0.75rem/1.5 var(--mono); }
.audit li { display: grid; grid-template-columns: 2.2em minmax(0, 1fr); gap: 8px; padding: 5px 0; border-top: 1px solid rgba(240, 113, 88, 0.16); }
.audit .seq { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.audit .act { color: var(--ink); overflow-wrap: anywhere; }
.audit .bad { color: var(--signal); }
.audit .ok { color: var(--accent); }
.ticket .recovery { margin-top: 12px; font-size: 0.9375rem; color: var(--ink-2); }

.check h2 { font-size: 1.125rem; margin-bottom: 8px; }
.check > p { color: var(--ink-2); font-size: 0.9375rem; }
.switch { display: inline-flex; align-items: center; gap: 12px; margin-top: 14px; min-height: 44px; padding: 0;
          font: 500 0.9375rem/1.3 var(--text); color: var(--ink); background: none; border: 0; cursor: pointer; text-align: left; }
.switch .track { position: relative; flex: none; width: 42px; height: 24px; border-radius: 999px; background: var(--line-2);
                 transition: background-color 200ms ease; }
.switch .knob { position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: var(--ink);
                box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4); transition: transform 260ms var(--ease-out); }
.switch[aria-checked="true"] .track { background: var(--signal); }
.switch[aria-checked="true"] .knob { transform: translateX(18px); }
.switch:active .knob { transform: scaleX(1.12); }
.switch[aria-checked="true"]:active .knob { transform: translateX(16px) scaleX(1.12); }

.rejected { margin-top: 12px; display: grid; gap: 12px; font-size: 0.9375rem; animation: print 420ms var(--ease-out); }
.rejected .label { display: block; font-size: 0.8125rem; color: var(--ink-3); margin-bottom: 2px; }
.rejected .model { color: var(--ink-2); text-decoration: line-through; text-decoration-color: var(--signal);
                   text-decoration-thickness: 1.5px; }
.rejected .why { font: 400 0.8125rem/1.55 var(--mono); padding: 10px 12px; border-radius: var(--radius-sm);
                 background: var(--signal-soft); color: #ffd9cf; }
.rejected .why code { font: inherit; color: var(--signal); }
.rejected .foot-note { color: var(--ink-3); font-size: 0.8125rem; }

/* ---- barge-in ---- */
.barge { margin-top: 72px; padding-top: 36px; border-top: 1px solid var(--line); }
.barge-head { display: grid; gap: 8px; max-width: 70ch; }
.barge-text { color: var(--ink-2); }
.barge-deck { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 14px; align-items: center; margin-top: 22px; }
.barge-wave { display: block; width: 100%; height: 150px; }
.barge-stats { display: flex; flex-wrap: wrap; gap: 10px 36px; margin: 16px 0 0; padding-left: 58px; }
@media (max-width: 560px) { .barge-stats { padding-left: 0; } }
.barge-stats div { display: grid; gap: 2px; }
.barge-stats dt { font-size: 0.8125rem; color: var(--ink-3); }
.barge-stats dd { margin: 0; font: 500 1.125rem/1.2 var(--mono); font-variant-numeric: tabular-nums; }
.barge-stats .stop dd { color: var(--signal); }

/* ---- results ---- */
.numbers { margin-top: 72px; padding-top: 36px; border-top: 1px solid var(--line); }
.ledger { display: grid; margin: 20px 0 16px; }
@media (min-width: 760px) { .ledger { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 48px; } }
.ledger div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 18px; align-items: baseline;
              padding: 16px 0; border-top: 1px solid var(--line); }
.ledger dt { order: 2; color: var(--ink-2); font-size: 0.9375rem; }
.ledger dd { order: 1; margin: 0; font: 600 1.625rem/1 var(--display); letter-spacing: -0.02em;
             font-variant-numeric: tabular-nums; font-variation-settings: "opsz" 48; white-space: nowrap; }

.load-error { margin-top: 24px; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--signal-soft); color: #ffd9cf; }
.foot { padding-top: 56px; padding-bottom: 56px; color: var(--ink-3); font-size: 0.875rem; }
.foot p { max-width: 80ch; }

@media (hover: none) { .play:hover { background: var(--accent); } }
@media (prefers-reduced-motion: reduce) {
  .turn, .turn.on { transform: none; transition: opacity 160ms ease, visibility 0s; }
  .src, .turn.on .src { transform: none; transition: opacity 160ms ease; transition-delay: 0s; }
  .fact { transition: none; }
  #card-body.enter, .rejected { animation: fade 160ms ease; }
  .switch .knob { transition: none; }
  .play[data-state="loading"] .spinner { animation-duration: 1.6s; }
}
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }