/* Hallmark · user-owned references: Abramov HomePage/SignalCard + Feshan Pocket Signals.
 * Mobile only. Reference-led dark panels, Tiffany action, header chips and centered signal.
 * Brand/claims/assets not copied; existing test game semantics and API preserved.
 * Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V5 · contrast verified. */
@import url('./tokens.css');
@import url('./shared/generation.css');
* { box-sizing: border-box; }
html, body { margin: 0; overflow-x: clip; }
body { background: var(--color-paper); color: var(--color-ink); font: 400 16px/1.45 var(--font-body); -webkit-font-smoothing: antialiased; }
body::before { content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0; background: radial-gradient(80% 65% at 0% 0%,var(--color-glow-a),var(--color-clear) 75%),radial-gradient(80% 65% at 100% 70%,var(--color-glow-b),var(--color-clear) 75%); }
[hidden] { display: none !important; }
button, select { font: inherit; }
button, select, a { -webkit-tap-highlight-color: var(--color-clear); }
button, a { cursor: pointer; white-space: nowrap; }
button:active:enabled { opacity: .85; }
button:disabled, select:disabled { cursor: not-allowed; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
p,h1,h2 { margin: 0; }
svg { stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.workbench { position: relative; z-index: 1; width: min(100%,440px); margin: auto; padding: max(var(--space-4),env(safe-area-inset-top)) max(var(--space-3),env(safe-area-inset-right)) max(var(--space-5),env(safe-area-inset-bottom)) max(var(--space-3),env(safe-area-inset-left)); }
.masthead { margin-bottom: var(--space-3); }
.identity { display: flex; align-items: center; justify-content: center; gap: var(--space-3); }
.avatar { display: grid; place-items: center; width: 40px; height: 40px; border: 1px solid var(--color-accent); border-radius: 50%; background: var(--color-accent-soft); color: var(--color-accent); font-size: 24px; font-weight: 800; }
h1 { font-size: 28px; font-weight: 800; line-height: 1.2; text-transform: uppercase; overflow-wrap: anywhere; min-width: 0; }
.brand-line { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin: var(--space-3) var(--space-2); color: var(--color-accent); }
.brand-line::before,.brand-line::after { content: ''; height: 1px; flex: 1; background: currentColor; opacity: .4; }
.brand-line span { height: 8px; width: 8px; background: currentColor; transform: rotate(45deg); }
.subtitle { color: var(--color-muted); font-size: 12px; font-weight: 500; text-align: center; }
.header-chips { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-top: var(--space-4); }
.language,.level-chip { display: flex; align-items: center; gap: var(--space-2); min-height: 44px; background: var(--color-control); color: var(--color-ink); border: 1px solid var(--color-panel-border); border-radius: 12px; padding: 0 var(--space-3); }
.language select { min-height: 44px; width: 68px; padding: 0; background: var(--color-clear); border: 0; color: var(--color-ink); font-size: 16px; font-weight: 600; }
.language select option { background: var(--color-sheet); color: var(--color-ink); }
.lang-flag { font-size: 20px; line-height: 1; }
.lang-flag::before { content: '🇷🇺'; }
html[lang="uk"] .lang-flag::before { content: '🇺🇦'; }
html[lang="en"] .lang-flag::before { content: '🇬🇧'; }
.level-chip { font-size: 14px; font-weight: 650; }
.level-gem { width: 14px; height: 14px; border: 2px solid var(--color-accent); background: var(--color-accent-soft); transform: rotate(45deg); margin-left: var(--space-1); }
#signal-form { display: flex; flex-direction: column; gap: var(--space-3); }
.parameters,.signal { background: var(--color-panel); border: 1px solid var(--color-panel-border); border-radius: var(--radius-panel); padding: var(--space-4); }
.fields { display: flex; flex-direction: column; gap: var(--space-3); }
.field { display: flex; flex-direction: column; gap: var(--space-2); }
.field > span { color: var(--color-muted); font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.field select { width: 100%; min-height: 46px; padding: 0 var(--space-3); border: 1px solid var(--color-field-border); border-radius: var(--radius-control); background: var(--color-field); color: var(--color-ink); font-size: 16px; font-weight: 550; }
select:disabled { color: var(--color-disabled-ink); opacity: .65; }
.primary { width: 100%; min-height: 48px; margin-top: var(--space-4); padding: var(--space-3); background: var(--color-action); color: var(--color-accent-ink); border: 0; border-radius: var(--radius-control); font-size: 14px; font-weight: 800; letter-spacing: .025em; text-transform: uppercase; }
.primary:disabled { background: var(--color-disabled); color: var(--color-disabled-ink); }
.signal-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-2); padding-bottom: var(--space-3); border-bottom: 1px solid var(--color-rule); }
h2 { font-size: 15px; font-weight: 650; }
.signal-status { color: var(--color-muted); font-size: 11px; }
.empty { min-height: 135px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2); text-align: center; }
.empty-icon { width: 30px; height: 30px; color: var(--color-muted); margin-bottom: var(--space-1); }
.empty p { font-size: 14px; }
.empty-hint { color: var(--color-muted); font-size: 12px; }
.direction-row { display: flex; align-items: center; justify-content: center; gap: var(--space-2); margin: var(--space-4) 0 var(--space-2); color: var(--color-up); }
body[data-direction="down"] .direction-row { color: var(--color-down); }
.direction-icon { width: 28px; height: 28px; stroke-width: 2; }
body[data-direction="down"] .direction-icon { transform: rotate(90deg); }
.direction { font-size: 25px; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.result-pair { font-size: 17px; font-weight: 650; text-align: center; margin-bottom: var(--space-4); }
.metrics { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-2); }
.metric { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 82px; padding: var(--space-3) var(--space-2); gap: var(--space-2); border: 1px solid var(--color-panel-border); border-radius: 10px; background: var(--color-control); text-align: center; }
.metric > span { font-size: 11px; text-transform: uppercase; letter-spacing: .035em; color: var(--color-muted); }
#confidence { font-size: 28px; font-weight: 800; line-height: 1.1; font-variant-numeric: tabular-nums; }
#timer { font: 600 23px/1.2 var(--font-mono); color: var(--color-ink); font-variant-numeric: tabular-nums; }
progress { appearance: none; display: block; height: 4px; width: 100%; border: 0; border-radius: 4px; margin: var(--space-4) 0 0; background: var(--color-rule); accent-color: var(--color-accent); overflow: clip; }
progress::-webkit-progress-bar { background: var(--color-rule); }
progress::-webkit-progress-value { background: var(--color-accent); }
progress::-moz-progress-bar { background: var(--color-accent); }
footer { padding: var(--space-4) 0 var(--space-1); color: var(--color-muted); font-size: 12px; text-align: center; }
a { color: var(--color-focus); text-decoration: none; }
footer a { display: inline-flex; align-items: center; min-height: 44px; padding: 0 var(--space-3); font-size: 14px; }
.demo { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding-top: var(--space-2); border-top: 1px solid var(--color-rule); }
#demo-label { font-size: 12px; color: var(--color-muted); }
.segments { display: flex; gap: var(--space-1); }
.segments button { min-height: 44px; min-width: 44px; background: var(--color-clear); border: 0; border-radius: 8px; color: var(--color-muted); font-size: 14px; }
.segments button[aria-pressed="true"] { background: var(--color-accent-soft); color: var(--color-focus); font-weight: 600; }
.notice { margin-bottom: var(--space-3); padding: var(--space-4); background: var(--color-error-surface); color: var(--color-error); border: 1px solid var(--color-error); border-radius: var(--radius-control); font-size: 14px; }
.notice button,.notice a { display: inline-flex; align-items: center; min-height: 44px; margin: var(--space-2) var(--space-2) 0 0; padding: 0 var(--space-3); border: 1px solid var(--color-error); border-radius: 8px; background: var(--color-clear); color: inherit; }
#level-sheet { position: fixed; inset: auto 0 0; margin: 0 auto; width: min(100%,440px); max-height: 85dvh; padding: var(--space-3) var(--space-4) max(var(--space-5),env(safe-area-inset-bottom)); background: var(--color-sheet); color: var(--color-ink); border: 1px solid var(--color-panel-border); border-radius: 20px 20px 0 0; }
#level-sheet::backdrop { background: var(--color-backdrop); }
.sheet-handle { height: 4px; width: 36px; border-radius: 3px; background: var(--color-field-border); margin: 0 auto var(--space-3); }
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); margin-bottom: var(--space-3); }
.sheet-head h2 { font-size: 20px; }
.sheet-head button { min-height: 44px; padding: 0 var(--space-3); border: 0; border-radius: 8px; background: var(--color-control); color: var(--color-ink); font-size: 14px; }
.level-row { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-4); margin-top: var(--space-2); border: 1px solid var(--color-panel-border); border-radius: 12px; background: var(--color-control); }
.level-row[data-current="true"] { border-color: var(--color-accent); background: var(--color-accent-soft); }
.level-row strong { display: block; font-size: 15px; }
.level-row small { display: block; margin-top: var(--space-1); font-size: 12px; color: var(--color-muted); }
.level-row b { font-size: 20px; white-space: nowrap; }
.sheet-note { color: var(--color-muted); font-size: 12px; margin-top: var(--space-4); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: clip; clip-path: inset(50%); white-space: nowrap; border: 0; }
@media (hover: hover) { .primary:hover:enabled { background: var(--color-accent-hover); } a:hover { text-decoration: underline; } .segments button:hover:enabled,.level-chip:hover:enabled { background: var(--color-control); } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation: none !important; transition: none !important; } }