:root {
    --maze-sky-top: #1e3c72;
    --maze-sky-bottom: #2a5298;
    --maze-ground: #6b4226;
    --maze-accent: #ffcc00;
    --maze-panel-bg: #10131a;
    --maze-panel-border: #ffcc00;
    --maze-text: #f4f1de;
    --maze-danger: #e63946;
    --maze-success: #2ec4b6;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Press Start 2P", "Segoe UI", sans-serif;
    background: linear-gradient(var(--maze-sky-top), var(--maze-sky-bottom));
    color: var(--maze-text);
}

.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;
}

[hidden] {
    display: none !important;
}

.maze-back-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 20;
    color: var(--maze-text);
    background: rgba(0, 0, 0, 0.5);
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-size: 0.7rem;
}

.maze-back-link:focus-visible,
.maze-back-link:hover {
    outline: 2px solid var(--maze-accent);
}

.maze-app {
    max-width: 900px;
    margin: 0 auto;
    padding: 3.5rem 1rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.maze-title {
    font-size: 1.4rem;
    text-align: center;
    margin: 0;
}

.maze-subtitle {
    font-size: 0.75rem;
    text-align: center;
    max-width: 32rem;
}

.maze-level-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    width: 100%;
}

.maze-level-card {
    background: var(--maze-panel-bg);
    border: 3px solid var(--maze-panel-border);
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    color: var(--maze-text);
    font-family: inherit;
    font-size: 0.7rem;
}

.maze-level-card:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.maze-level-card:focus-visible,
.maze-level-card:not(:disabled):hover {
    outline: 3px solid var(--maze-accent);
}

.maze-level-card-stars {
    font-size: 1rem;
    margin: 0.5rem 0;
}

.maze-btn {
    font-family: inherit;
    font-size: 0.7rem;
    color: var(--maze-text);
    background: var(--maze-panel-bg);
    border: 3px solid var(--maze-panel-border);
    border-radius: 0.5rem;
    padding: 0.6rem 1rem;
    cursor: pointer;
}

.maze-btn:focus-visible,
.maze-btn:hover {
    outline: 3px solid var(--maze-accent);
}

.maze-hud {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    font-size: 0.65rem;
}

.maze-game-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

#mazeCanvas {
    width: 100%;
    max-width: 800px;
    height: auto;
    aspect-ratio: 800 / 360;
    background: #000;
    border: 4px solid var(--maze-panel-border);
    border-radius: 0.5rem;
    image-rendering: pixelated;
}

.maze-touch-controls {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 800px;
}

.maze-touch-btn {
    font-size: 1.5rem;
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    background: var(--maze-panel-bg);
    border: 3px solid var(--maze-panel-border);
    color: var(--maze-text);
}

.maze-touch-btn:focus-visible {
    outline: 3px solid var(--maze-accent);
}

.maze-question-overlay,
.maze-level-complete-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
    padding: 1rem;
}

.maze-question-panel {
    background: var(--maze-panel-bg);
    border: 4px solid var(--maze-panel-border);
    border-radius: 0.75rem;
    padding: 1.5rem;
    max-width: 32rem;
    width: 100%;
    text-align: center;
}

.maze-question-subject {
    font-size: 0.6rem;
    color: var(--maze-accent);
    text-transform: uppercase;
}

.maze-question-stem {
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0.75rem 0 1.25rem;
    white-space: pre-line;
}

.maze-question-options {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.maze-question-option-btn {
    font-family: inherit;
    font-size: 0.7rem;
    text-align: left;
    padding: 0.75rem 1rem;
    background: #1c2333;
    border: 2px solid var(--maze-panel-border);
    border-radius: 0.5rem;
    color: var(--maze-text);
    cursor: pointer;
}

.maze-question-option-btn:focus-visible,
.maze-question-option-btn:hover {
    outline: 3px solid var(--maze-accent);
}

.maze-question-option-btn.is-correct {
    background: var(--maze-success);
}

.maze-question-option-btn.is-incorrect {
    background: var(--maze-danger);
}

.maze-question-feedback {
    margin-top: 1rem;
    font-size: 0.7rem;
    line-height: 1.6;
}

.maze-stars {
    font-size: 2rem;
}