:root {
    --bg: #f5f0e8;
    --ink: #2c2420;
    --paper: #ede4d3;
    --line: #c4a882;
    --accent: #8b5e3c;
    --accent-dark: #5c3d1e;
    --muted: #7a6652;
    --electric: #1d6b5d;
}

* { box-sizing: border-box; }

body {
    min-height: 100dvh;
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "Markazi Text", serif;
}

.simulator-page {
    width: min(1120px, calc(100% - 3rem));
    margin: 0 auto;
    padding: 3rem 0 4rem;
}

.simulator-header {
    max-width: 760px;
    margin-bottom: 2rem;
}

.back-link,
.eyebrow,
.control-heading h2,
.control-heading p,
.telemetry-panel h2,
.course-panel h2,
.how-it-works h2,
.launch-kicker,
.launch-button,
.drive-button,
.turn-button {
    font-family: "Bungee", sans-serif;
}

.back-link {
    display: inline-block;
    margin-bottom: 1.3rem;
    color: var(--accent);
    font-size: 0.76rem;
    letter-spacing: 0.06em;
    text-decoration: none;
}

.eyebrow {
    margin: 0 0 0.55rem;
    color: var(--electric);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
}

.simulator-header h1 {
    margin: 0 0 0.75rem;
    color: var(--accent-dark);
    font-family: "Bungee", sans-serif;
    font-size: clamp(2rem, 7vw, 4rem);
    line-height: 1.1;
}

.simulator-header > p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 1.25rem;
    line-height: 1.45;
}

.simulator-card {
    overflow: hidden;
    border: 3px solid var(--line);
    border-radius: 20px;
    background: var(--paper);
    box-shadow: 0 18px 45px rgba(44, 36, 32, 0.16);
}

.simulator-stage {
    position: relative;
    min-height: 640px;
    overflow: hidden;
    background:
        radial-gradient(circle at 48% 38%, rgba(245, 240, 232, 0.95), rgba(214, 200, 176, 0.8) 54%, rgba(139, 94, 60, 0.22));
}

.simulator-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
}

.stage-label {
    position: absolute;
    z-index: 2;
    padding: 0.38rem 0.55rem;
    border: 1px solid rgba(92, 61, 30, 0.4);
    border-radius: 999px;
    background: rgba(245, 240, 232, 0.74);
    color: var(--accent-dark);
    font-family: "Bungee", sans-serif;
    font-size: 0.58rem;
    letter-spacing: 0.03em;
    pointer-events: none;
}

.label-camera { top: 13%; left: 7%; }
.label-pi { right: 7%; top: 22%; }
.label-motors { right: 9%; bottom: 16%; }

.live-status {
    position: absolute;
    z-index: 3;
    bottom: 1rem;
    left: 50%;
    width: min(88%, 520px);
    margin: 0;
    padding: 0.65rem 1rem;
    transform: translateX(-50%);
    border: 1px solid rgba(92, 61, 30, 0.25);
    border-radius: 999px;
    background: rgba(44, 36, 32, 0.88);
    color: #f5f0e8;
    font-family: "Roboto", sans-serif;
    font-size: 0.86rem;
    text-align: center;
}

.launch-overlay {
    position: absolute;
    z-index: 5;
    top: 50%;
    left: 50%;
    width: min(430px, calc(100% - 2rem));
    padding: 1.8rem;
    transform: translate(-50%, -50%);
    border: 3px solid var(--line);
    border-radius: 16px;
    background: rgba(245, 240, 232, 0.95);
    box-shadow: 0 14px 34px rgba(44, 36, 32, 0.2);
    text-align: center;
    transition: opacity 0.35s ease, visibility 0.35s ease, transform 0.35s ease;
}

.finish-overlay {
    position: absolute;
    z-index: 6;
    top: 50%;
    left: 50%;
    width: min(470px, calc(100% - 2rem));
    padding: 1.55rem;
    transform: translate(-50%, -50%);
    border: 3px solid var(--electric);
    border-radius: 16px;
    background: rgba(245, 240, 232, 0.96);
    box-shadow: 0 14px 34px rgba(44, 36, 32, 0.26);
    text-align: center;
}

.finish-overlay h2 {
    margin: 0;
    color: var(--electric);
    font-family: "Bungee", sans-serif;
    font-size: clamp(1.25rem, 4vw, 1.8rem);
}

.finish-overlay > p:not(.launch-kicker):not(.score-message) {
    margin: 0.6rem 0 1rem;
    color: var(--muted);
    font-size: 1.1rem;
}

.finish-overlay[hidden] { display: none; }

.score-form label {
    display: block;
    margin-bottom: 0.45rem;
    color: var(--accent-dark);
    font-family: "Roboto", sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
}

.score-entry {
    display: flex;
    gap: 0.5rem;
}

.score-entry input {
    min-width: 0;
    flex: 1;
    border: 2px solid var(--line);
    border-radius: 8px;
    background: #fffaf0;
    color: var(--ink);
    font-family: "Bungee", sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.03em;
    padding: 0.75rem;
}

.score-entry input:focus-visible {
    border-color: var(--electric);
    outline: 2px solid rgba(29, 107, 93, 0.25);
}

.score-entry .launch-button { font-size: 0.58rem; }

.score-message {
    min-height: 1.1rem;
    margin: 0.65rem 0 0;
    color: var(--electric);
    font-family: "Roboto", sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
}

.try-again-button {
    margin-top: 0.45rem;
    border: 0;
    background: transparent;
    color: var(--accent);
    cursor: pointer;
    font-family: "Bungee", sans-serif;
    font-size: 0.59rem;
    text-decoration: underline;
}

.launch-overlay.is-hidden {
    visibility: hidden;
    opacity: 0;
    transform: translate(-50%, -45%);
}

.launch-kicker {
    margin: 0 0 0.55rem;
    color: var(--electric);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
}

.launch-overlay h2 {
    margin: 0;
    color: var(--accent-dark);
    font-family: "Bungee", sans-serif;
    font-size: clamp(1.2rem, 4vw, 1.7rem);
    line-height: 1.35;
}

.launch-overlay > p:not(.launch-kicker) {
    margin: 0.75rem 0 1.2rem;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.35;
}

.launch-button,
.drive-button,
.turn-button {
    border: 0;
    cursor: pointer;
}

.launch-button {
    padding: 0.9rem 1rem;
    border-radius: 9px;
    background: var(--accent);
    color: #f5f0e8;
    font-size: 0.72rem;
    letter-spacing: 0.04em;
    transition: transform 0.2s, background 0.2s;
}

.launch-button:hover,
.launch-button:focus-visible {
    background: var(--accent-dark);
    outline: none;
    transform: translateY(-3px) rotate(-1deg);
}

.simulator-bottom {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(190px, 0.4fr) minmax(215px, 0.48fr);
    gap: 1.25rem;
    padding: 1.25rem;
    border-top: 3px solid var(--line);
    background: #e5dac7;
}

.control-panel,
.telemetry-panel,
.course-panel {
    padding: 1.1rem;
    border: 2px solid var(--line);
    border-radius: 12px;
    background: rgba(245, 240, 232, 0.72);
}

.control-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.9rem;
}

.control-heading h2,
.telemetry-panel h2,
.course-panel h2,
.how-it-works h2 {
    margin: 0;
    color: var(--accent-dark);
    font-size: 0.84rem;
    letter-spacing: 0.04em;
}

.control-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 0.55rem;
    letter-spacing: 0.03em;
    text-align: right;
}

.drive-controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(48px, 68px));
    grid-template-areas:
        ". up ."
        "left stop right"
        ". down .";
    justify-content: center;
    gap: 0.45rem;
}

.drive-button {
    display: grid;
    min-height: 48px;
    place-items: center;
    border: 2px solid var(--accent);
    border-radius: 10px;
    background: var(--paper);
    color: var(--accent-dark);
    font-size: 1rem;
    transition: transform 0.15s, background 0.15s, color 0.15s;
    touch-action: manipulation;
}

.drive-button:hover,
.drive-button:focus-visible,
.drive-button.is-pressed {
    background: var(--accent);
    color: #f5f0e8;
    outline: none;
    transform: translateY(-2px);
}

.drive-button:disabled,
.turn-button:disabled {
    cursor: not-allowed;
    opacity: 0.4;
}

.forward { grid-area: up; }
.left { grid-area: left; }
.stop { grid-area: stop; font-size: 0.54rem; }
.right { grid-area: right; }
.backward { grid-area: down; }

.turn-controls {
    display: flex;
    justify-content: center;
    gap: 0.55rem;
    margin-top: 0.75rem;
}

.turn-button {
    min-height: 42px;
    padding: 0.55rem 0.7rem;
    border: 2px solid var(--electric);
    border-radius: 8px;
    background: transparent;
    color: var(--electric);
    font-size: 0.58rem;
    transition: transform 0.15s, background 0.15s, color 0.15s;
    touch-action: manipulation;
}

.turn-button:hover,
.turn-button:focus-visible,
.turn-button.is-pressed {
    background: var(--electric);
    color: #f5f0e8;
    outline: none;
    transform: translateY(-2px);
}

.telemetry-panel h2,
.course-panel h2 { margin-bottom: 0.75rem; }

.course-panel p {
    margin: 0 0 0.7rem;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.2;
}

.telemetry-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 0;
    border-top: 1px solid rgba(92, 61, 30, 0.2);
    color: var(--muted);
    font-family: "Roboto", sans-serif;
    font-size: 0.8rem;
}

.telemetry-row strong {
    color: var(--accent-dark);
    font-family: "Bungee", sans-serif;
    font-size: 0.65rem;
}

.leaderboard-panel {
    grid-column: 1 / -1;
    padding: 1.1rem;
    border: 2px solid var(--line);
    border-radius: 12px;
    background: rgba(245, 240, 232, 0.72);
}

.leaderboard-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.7rem;
}

.leaderboard-heading h2 {
    margin: 0;
    color: var(--accent-dark);
    font-family: "Bungee", sans-serif;
    font-size: 0.84rem;
    letter-spacing: 0.04em;
}

.leaderboard-heading p {
    margin: 0;
    color: var(--muted);
    font-size: 0.98rem;
}

.leaderboard-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.5rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.leaderboard-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.4rem;
    min-width: 0;
    padding: 0.55rem 0.6rem;
    border: 1px solid rgba(92, 61, 30, 0.2);
    border-radius: 8px;
    background: rgba(255, 250, 240, 0.65);
    color: var(--muted);
    font-family: "Roboto", sans-serif;
    font-size: 0.78rem;
}

.leaderboard-rank {
    color: var(--accent);
    font-family: "Bungee", sans-serif;
    font-size: 0.6rem;
}

.leaderboard-name {
    overflow: hidden;
    color: var(--ink);
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.leaderboard-time {
    color: var(--electric);
    font-family: "Bungee", sans-serif;
    font-size: 0.58rem;
}

.leaderboard-list .leaderboard-empty {
    grid-column: 1 / -1;
    justify-content: center;
    min-height: 46px;
}

.how-it-works {
    max-width: 800px;
    margin: 2rem auto 0;
    padding: 1.4rem;
    border-left: 5px solid var(--accent);
    border-radius: 0 10px 10px 0;
    background: var(--paper);
}

.how-it-works h2 { margin-bottom: 0.6rem; }
.how-it-works p { margin: 0; color: var(--muted); font-size: 1.12rem; line-height: 1.5; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 700px) {
    .simulator-page {
        width: calc(100% - 1.25rem);
        padding: 1.7rem 0 2.5rem;
    }

    .simulator-header { margin-bottom: 1.35rem; }
    .back-link { margin-bottom: 1rem; font-size: 0.65rem; }
    .simulator-header > p:last-child { font-size: 1.05rem; }
    .simulator-card { border-width: 2px; border-radius: 14px; }
    .simulator-stage { min-height: 470px; }
    .stage-label { font-size: 0.47rem; }
    .label-camera { top: 9%; left: 4%; }
    .label-pi { top: 19%; right: 4%; }
    .label-motors { right: 4%; bottom: 17%; }
    .launch-overlay { padding: 1.35rem 1rem; }
    .finish-overlay { padding: 1.15rem 0.85rem; }
    .score-entry { flex-direction: column; }
    .score-entry .launch-button { width: 100%; }
    .live-status { bottom: 0.65rem; font-size: 0.73rem; }
    .simulator-bottom { grid-template-columns: 1fr; gap: 0.8rem; padding: 0.8rem; }
    .control-heading { align-items: flex-start; flex-direction: column; gap: 0.3rem; }
    .control-heading p { text-align: left; }
    .telemetry-panel,
    .course-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 0.75rem; }
    .telemetry-panel h2,
    .course-panel h2,
    .course-panel p { grid-column: 1 / -1; }
    .leaderboard-heading { align-items: flex-start; flex-direction: column; gap: 0.25rem; }
    .leaderboard-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .how-it-works { margin-top: 1.25rem; padding: 1rem; }
    .how-it-works p { font-size: 1rem; }
}