/* ═══════════════════════════════════════════════════════════════════════════
   Impossible Matchups — Shared Design System
   Broadcast telemetry aesthetic. Dark/yellow register; monospace numerics;
   zero rounded corners. Used by all matchups.
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Reset ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
/* Prevent explicit CSS display values from overriding the [hidden] attribute */
[hidden] { display: none !important; }

/* ── Design tokens ────────────────────────────────────────────────────────── */
:root {
    --bg:         #0c0c0c;
    --surface:    #111111;
    --border:     #1e1e1e;
    --border-hi:  #2e2e2e;
    --dim:        #c0c0c0;
    --label:      #FFCC00;
    --secondary:  #f0f0f0;
    --text:       #f0f0f0;
    --white:      #f0f0f0;
    --yellow:     #FFCC00;
    --yellow-dim: #c9a000;
    --orange:     #d4621a;
    --red:        #c02020;

    --mono: 'Courier New', Courier, monospace;
    --sans: system-ui, -apple-system, 'Helvetica Neue', Arial, sans-serif;

    --label-size:  13px;
    --label-track: 0.18em;
}

/* ── Base ─────────────────────────────────────────────────────────────────── */
html {
    min-height: 100%;
    background: var(--bg);
}

body {
    min-height: 100%;
    background: transparent;
    color: var(--text);
    font-family: var(--sans);
    font-size: 17.5px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
}

/* ── Background image layer ───────────────────────────────────────────────── */
/* Injected by shared/bg.js into every page. Sits below all content (z:-1).   */
#bg-wrap {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

#bg-img {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: scroll;
    opacity: 0;
    transition: opacity 600ms ease;
}

#bg-overlay {
    position: absolute;
    inset: 0;
    /* Slightly darker at top, lighter toward bottom — keeps header readable */
    background: linear-gradient(to bottom,
        rgba(0, 0, 0, 0.78) 0%,
        rgba(0, 0, 0, 0.65) 100%);
    opacity: 0;
    transition: opacity 600ms ease;
}

/* ── App shell ────────────────────────────────────────────────────────────── */
.app {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    max-width: 1060px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Header ───────────────────────────────────────────────────────────────── */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0 18px;
    border-bottom: 1px solid var(--border-hi);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.header-brand {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--yellow);
}

.header-how-btn {
    padding: 5px 8px;
    border: 1px solid var(--yellow);
    color: var(--yellow);
    background: transparent;
    font-family: var(--sans);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.1s;
    line-height: 1;
}
.header-how-btn:hover {
    background: rgba(255, 204, 0, 0.08);
}

.header-meta {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--dim);
}

.header-meta em { font-style: normal; color: var(--dim); }
.header-sep     { color: var(--dim); }

.header-link {
    color: var(--dim);
    text-decoration: none;
    letter-spacing: 0.12em;
    font-size: 13px;
    transition: color 0.1s;
}
.header-link:hover { color: var(--secondary); }

/* ── Main grid ────────────────────────────────────────────────────────────── */
.main-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    flex: 1;
}

/* ── Controls panel ───────────────────────────────────────────────────────── */
.controls-panel {
    padding: 28px 28px 32px;
    border-right: 1px solid var(--border-hi);
    display: flex;
    flex-direction: column;
    background: rgba(12, 12, 12, 0.55);
}

.control-group {
    padding: 22px 0;
}
.control-group:first-child { padding-top: 4px; }

.divider {
    height: 1px;
    background: var(--border);
    flex-shrink: 0;
}

/* Labels */
.control-label {
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: var(--label-track);
    text-transform: uppercase;
    color: var(--label);
    margin-bottom: 14px;
    display: block;
}

.control-label-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 14px;
}
.control-label-row .control-label { margin-bottom: 0; }

/* ── Toggle group ─────────────────────────────────────────────────────────── */
.toggle-group {
    display: flex;
    border: 1px solid var(--border-hi);
}

.toggle {
    flex: 1;
    padding: 10px 0;
    background: none;
    border: none;
    color: var(--dim);
    font-family: var(--mono);
    font-size: 16px;
    letter-spacing: 0.06em;
    cursor: pointer;
    transition: background 0.1s, color 0.1s;
}
.toggle + .toggle { border-left: 1px solid var(--border-hi); }

.toggle.active {
    background: var(--yellow);
    color: #000;
    font-weight: 700;
}
.toggle:not(.active):hover {
    background: var(--border-hi);
    color: var(--text);
}

/* ── Era selectors (stacked) ──────────────────────────────────────────────── */
.control-group--stacked {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.era-col { width: 100%; }
.era-col .control-label { margin-bottom: 10px; }

.era-select {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border-hi);
    color: var(--text);
    font-family: var(--sans);
    font-size: 14px;
    padding: 8px 28px 8px 10px;
    appearance: none;
    -webkit-appearance: none;
    border-radius: 0;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%23555'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}
.era-select:focus {
    outline: 1px solid var(--yellow);
    border-color: var(--yellow);
}

/* ── Radio group ──────────────────────────────────────────────────────────── */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 10px;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: border-color 0.1s, background 0.1s;
}
.radio-label:hover    { border-color: var(--border-hi); }
.radio-label.selected { border-color: var(--border-hi); background: #161616; }

.radio-label input[type="radio"] {
    accent-color: var(--yellow);
    width: 13px;
    height: 13px;
    cursor: pointer;
    flex-shrink: 0;
}

.radio-text {
    font-size: 14px;
    color: var(--text);
    letter-spacing: 0.02em;
    line-height: 1.3;
}

/* ── Controls footer — run button + tools ────────────────────────────────── */
/* Carries margin-top: auto so the group sticks to the bottom of the
   controls-panel flex column. Both run-btn and tools-btn live inside. */
.controls-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
}

/* ── Run button ───────────────────────────────────────────────────────────── */
.run-btn {
    padding: 13px 0;
    background: var(--yellow);
    color: #000;
    border: none;
    font-family: var(--sans);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 0;
    transition: background 0.1s, opacity 0.15s;
}
.run-btn:hover    { background: #ffe033; }
.run-btn:active   { background: var(--yellow-dim); }
.run-btn:disabled { opacity: 0.35; cursor: not-allowed; background: var(--yellow); }

/* ── Result panel ─────────────────────────────────────────────────────────── */
.result-panel {
    padding: 32px 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 500px;
    background: rgba(12, 12, 12, 0.55);
}

.result-state {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

/* Idle */
.vs-display {
    text-align: center;
    margin-bottom: 32px;
}

.vs-name {
    font-size: 40px;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--white);
    line-height: 1.15;
}

.vs-name-link {
    text-decoration: none;
    color: inherit;
    display: block;
}
.vs-name-link:hover { color: var(--yellow); }

.vs-sep {
    font-size: 13px;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--dim);
    margin: 10px 0;
}

.idle-prompt {
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--dim);
    text-align: center;
    line-height: 2.2;
}

/* Simulating */
.simulating-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}
.simulating-label {
    font-size: 13px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--label);
}
.simulating-dots {
    font-family: var(--mono);
    font-size: 20px;
    color: var(--yellow);
    letter-spacing: 0.3em;
    animation: blink 1s step-start infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.15; }
}

/* ── Result content ───────────────────────────────────────────────────────── */
.result-section  { padding: 20px 0; }
.result-divider  { height: 1px; background: var(--border); }

/* Winner block */
.result-winner-block {
    padding-bottom: 22px;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.result-winner-block.revealed { opacity: 1; transform: translateY(0); }

.result-sublabel {
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: var(--label-track);
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 10px;
}

.result-winner-name {
    font-size: 38px;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--yellow);
    line-height: 1.1;
}
.result-winner-name.is-void {
    color: var(--dim);
    font-size: 25px;
    letter-spacing: 0.12em;
}

/* Athlete rows */
.result-times {
    padding: 0;
    display: flex;
    flex-direction: column;
}

.athlete-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.athlete-row.revealed        { opacity: 1; transform: translateX(0); }
.athlete-row:first-child     { border-top: 1px solid var(--border); }

.athlete-name {
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--white);
    transition: color 0.15s;
}
.athlete-row.is-winner .athlete-name { color: var(--yellow); }

/* Contestant profile link — inherits all name styling, minimal hover signal */
.athlete-name-link {
    color: inherit;
    text-decoration: none;
}
.athlete-name-link:hover {
    text-decoration: underline;
    text-decoration-color: var(--border-hi);
    text-underline-offset: 3px;
}

.athlete-time {
    font-family: var(--mono);
    font-size: 30px;
    color: var(--white);
    letter-spacing: -0.01em;
}
/* Generic dim state — used for DQs, false starts, or any penalty across matchups */
.athlete-time.is-dim {
    font-size: 14px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--red);
}

/* Margin */
.result-margin-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    opacity: 0;
    transform: translateX(10px);
    transition: opacity 0.22s ease, transform 0.22s ease;
}
.result-margin-row.revealed { opacity: 1; transform: translateX(0); }

.result-margin-val {
    font-family: var(--mono);
    font-size: 25px;
    color: var(--text);
}

/* Condition flag — wind legality, terrain state, etc. (content is matchup-specific) */
.result-legality {
    padding: 16px 0;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    line-height: 1.8;
    opacity: 0;
    transition: opacity 0.22s ease;
}
.result-legality.revealed    { opacity: 1; }
.result-legality.is-record   { color: var(--label); }
.result-legality.is-race     { color: var(--orange); }
.result-legality.is-void     { color: var(--red); }
/* Combat matchup can add its own modifier classes via its own stylesheet */

/* ── Tools button ─────────────────────────────────────────────────────────── */
/* Same button family as the transcript toggle. Sits in .controls-footer
   directly below .run-btn; expands .tools-panel inline below. */
.tools-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 8px;
    padding: 11px 16px;
    background: transparent;
    border: 1px solid var(--yellow);
    color: var(--yellow);
    font-family: var(--sans);
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: 0;
    transition: background 0.12s;
}
.tools-btn:hover {
    background: rgba(255, 204, 0, 0.07);
}

.tools-btn-label { flex: 1; text-align: left; }

.tools-caret {
    font-size: 14px;
    letter-spacing: 0;
    line-height: 1;
    transition: transform 0.2s ease;
}
.tools-btn[aria-expanded="true"] .tools-caret {
    transform: rotate(180deg);
}

/* ── Tools panel ──────────────────────────────────────────────────────────── */
/* Expands inline below the tools button. Content is matchup-specific. */
.tools-panel {
    border: 1px solid var(--yellow);
    border-top: none;
    padding: 20px;
    background: #080808;
}

.tools-section {
    padding-bottom: 18px;
    margin-bottom: 18px;
    border-bottom: 1px solid var(--border);
}
.tools-section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.tools-section-head {
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: var(--label-track);
    text-transform: uppercase;
    color: var(--label);
    margin-bottom: 10px;
}

.tools-section-body {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.7;
    letter-spacing: 0.01em;
}

/* Placeholder — shown until matchup-specific content is provided */
.tools-placeholder {
    font-size: 12px;
    color: var(--dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    padding: 10px 0;
}

/* Prose spacing within tools sections */
.tools-section-body p + p {
    margin-top: 12px;
}

/* Bulleted list inside tools panel */
.tools-list {
    list-style: disc;
    margin: 10px 0 12px 18px;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.tools-list:last-child { margin-bottom: 0; }

.tools-list li {
    line-height: 1.6;
}

/* Inline callout — shared token used across tools panel, How This Works, etc.
   Identical to .transcript-stat; named separately for semantic clarity. */
.how-callout {
    display: inline-block;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--yellow);
    background: rgba(255, 204, 0, 0.08);
    padding: 1px 7px;
    letter-spacing: 0.04em;
    margin: 0 2px;
}

/* ── Result transcript ────────────────────────────────────────────────────── */
.result-transcript-wrap {
    padding-top: 20px;
}

.transcript-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 11px 16px;
    background: var(--bg);
    border: 1px solid var(--yellow);
    color: var(--yellow);
    font-family: var(--sans);
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background 0.12s;
    border-radius: 0;
}
.transcript-btn:hover {
    background: rgba(255, 204, 0, 0.07);
}

.transcript-caret {
    font-size: 14px;
    letter-spacing: 0;
    transition: transform 0.2s ease;
    line-height: 1;
}
.transcript-btn[aria-expanded="true"] .transcript-caret {
    transform: rotate(180deg);
}

.transcript-body {
    border: 1px solid var(--yellow);
    border-top: none;
    padding: 28px 24px;
    background: #080808;
}

.transcript-section {
    padding-bottom: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border);
}
.transcript-section:last-child {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: none;
}

.transcript-section-head {
    font-size: var(--label-size);
    font-weight: 700;
    letter-spacing: var(--label-track);
    text-transform: uppercase;
    color: var(--label);
    margin-bottom: 12px;
}

.transcript-prose {
    font-size: 15px;
    color: var(--secondary);
    line-height: 1.85;
    letter-spacing: 0.01em;
}

/* Inline statistical callout — embedded in prose */
.transcript-stat {
    display: inline-block;
    font-family: var(--mono);
    font-size: 13px;
    color: var(--yellow);
    background: rgba(255, 204, 0, 0.08);
    padding: 1px 7px;
    letter-spacing: 0.04em;
    margin: 0 2px;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 750px) {
    .main-grid          { grid-template-columns: 1fr; }
    .controls-panel     { border-right: none; border-bottom: 1px solid var(--border-hi); }
    .result-panel       { padding: 28px 24px; min-height: 400px; }
}