:root {
    --bg: #050716;
    --panel: rgba(8, 14, 36, 0.88);
    --cyan: #68e8ff;
    --cyan-soft: rgba(104, 232, 255, 0.26);
    --orange: #ffb14a;
    --danger: #ff4f7b;
    --green: #7dff9b;
    --violet: #b98cff;
    --text: #eef8ff;
    --muted: #9bb3c7;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    height: 100%;
    margin: 0;
    overflow: hidden;
    background: radial-gradient(circle at 50% 20%, #12224d 0%, var(--bg) 58%, #02030a 100%);
    color: var(--text);
}

body {
    display: grid;
    place-items: center;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#game-shell {
    position: relative;
    width: 800px;
    height: 600px;
    max-width: 100vw;
    max-height: 100vh;
    background: #030611;
    border: 2px solid var(--cyan);
    box-shadow: 0 0 30px rgba(104, 232, 255, 0.28), inset 0 0 45px rgba(104, 232, 255, 0.08);
    overflow: hidden;
}

#game-shell::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(rgba(255,255,255,0.04) 50%, rgba(0,0,0,0.15) 50%);
    background-size: 100% 4px;
    mix-blend-mode: screen;
    opacity: 0.28;
}

#game-canvas {
    display: block;
    width: 100%;
    height: 100%;
    image-rendering: pixelated;
}

.overlay {
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 28px;
    background: radial-gradient(circle at center, rgba(6, 12, 30, 0.72), rgba(2, 3, 10, 0.94));
    z-index: 10;
}

.overlay.active {
    display: flex;
}

.panel {
    width: min(720px, 100%);
    border: 2px solid var(--cyan);
    background: linear-gradient(180deg, rgba(13, 24, 58, 0.96), rgba(4, 8, 22, 0.96));
    box-shadow: 0 0 0 4px rgba(104, 232, 255, 0.08), 0 20px 60px rgba(0,0,0,0.5);
    padding: 28px;
    text-align: center;
}

.panel h1,
.panel h2 {
    margin: 8px 0 18px;
    font-family: "Press Start 2P", monospace;
    line-height: 1.28;
    letter-spacing: 1px;
    color: var(--orange);
    text-shadow: 3px 3px 0 #2d1740, 0 0 18px rgba(255,177,74,0.3);
}

.panel h1 {
    font-size: clamp(1.45rem, 4vw, 2.5rem);
}

.panel h2 {
    font-size: clamp(1rem, 3vw, 1.5rem);
}

.eyebrow {
    margin: 0;
    color: var(--cyan);
    font-family: "Press Start 2P", monospace;
    font-size: 0.55rem;
    letter-spacing: 1.2px;
}

.lead,
.panel p {
    color: var(--text);
    line-height: 1.58;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 22px 0;
}

.mission-grid article {
    min-height: 112px;
    padding: 14px;
    border: 1px solid rgba(104,232,255,0.4);
    background: rgba(104,232,255,0.07);
    text-align: left;
}

.mission-grid strong,
.mission-grid span {
    display: block;
}

.mission-grid strong {
    color: var(--green);
    margin-bottom: 8px;
    font-size: 0.92rem;
}

.mission-grid span,
.controls-hint {
    color: var(--muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.button-row {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin: 18px 0 8px;
}

button {
    border: 0;
    padding: 13px 18px;
    font-family: "Press Start 2P", monospace;
    font-size: 0.62rem;
    cursor: pointer;
    text-transform: uppercase;
    color: #06111f;
    transition: transform 160ms ease, box-shadow 160ms ease;
}

button:hover {
    transform: translateY(-2px);
}

button.primary {
    background: var(--orange);
    box-shadow: 4px 4px 0 #7b3f1d, 0 0 16px rgba(255,177,74,0.28);
}

button.secondary {
    background: var(--cyan);
    box-shadow: 4px 4px 0 #244b63, 0 0 16px rgba(104,232,255,0.2);
}

.timeline-preview {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
    margin: 22px 0;
}

.timeline-preview span {
    padding: 8px 10px;
    border: 1px solid rgba(104,232,255,0.45);
    color: var(--cyan);
    background: rgba(104,232,255,0.08);
    font-size: 0.78rem;
}

.score-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 18px 0;
}

.score-card div {
    border: 1px solid rgba(255,177,74,0.45);
    background: rgba(255,177,74,0.08);
    padding: 14px 10px;
}

.score-card span,
.score-card strong {
    display: block;
}

.score-card span {
    color: var(--muted);
    font-size: 0.78rem;
}

.score-card strong {
    margin-top: 6px;
    color: var(--orange);
    font-size: 1.3rem;
}

.score-form {
    display: grid;
    grid-template-columns: 1fr 1fr auto auto;
    gap: 10px;
    margin-top: 18px;
}

.score-form input {
    min-width: 0;
    padding: 12px;
    border: 1px solid rgba(104,232,255,0.55);
    background: rgba(2, 6, 18, 0.9);
    color: var(--text);
    font: 700 0.88rem Inter, sans-serif;
}

@media (max-width: 820px) {
    #game-shell {
        width: 100vw;
        height: 75vw;
        max-height: 100vh;
    }

    .overlay {
        padding: 14px;
    }

    .panel {
        padding: 18px;
    }

    .mission-grid,
    .score-card,
    .score-form {
        grid-template-columns: 1fr;
    }
}