games/crates/apps/game-snake-poc-tauri/frontend/css/main.css

/* file: crates/apps/game-snake-poc-tauri/frontend/css/main.css */
/* version: 2 */

:root {
    font-family: system-ui, sans-serif;
    color-scheme: dark;
    background: #101418;
    color: #f4f7f8;
}

* {
    box-sizing: border-box;
}

html,
body {
    width: 100%;
    min-width: 320px;
    min-height: 100%;
    margin: 0;
}

body {
    min-height: 100vh;
    padding: max(0.75rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right)) max(0.75rem, env(safe-area-inset-bottom))
        max(0.75rem, env(safe-area-inset-left));
    background: #101418;
    overscroll-behavior: none;
}

.app-header,
.app-footer,
.game-panel,
.control-panel {
    border: 1px solid #50606b;
    border-radius: 0.75rem;
    background: #161c21;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1rem;
}

.eyebrow {
    margin: 0 0 0.15rem;
    color: #9fb0ba;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

h1,
h2,
p {
    margin-top: 0;
}

h1 {
    margin-bottom: 0;
    font-size: clamp(1.25rem, 6vw, 1.85rem);
}

h2 {
    margin-bottom: 0.35rem;
    font-size: 1.1rem;
}

.status-badge,
.game-summary output {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: #29343c;
    color: #f4f7f8;
    font-size: 0.85rem;
    white-space: nowrap;
}

body[data-runtime-state="ready"] .status-badge {
    background: #1d5f3d;
}

body[data-runtime-state="error"] .status-badge {
    background: #7a2630;
}

.app-main {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.75rem;
    margin-block: 0.75rem;
}

.game-panel,
.control-panel {
    min-width: 0;
    padding: 0.75rem;
}

.game-summary {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
}

.game-stage {
    width: min(100%, 21rem);
    max-height: 58vh;
    margin-inline: auto;
    aspect-ratio: 3 / 5;
    overflow: hidden;
    border: 1px solid #6d7f8a;
    border-radius: 0.45rem;
    background: #000;
}

#game {
    display: block;
    width: 100%;
    height: 100%;
    touch-action: none;
    outline: none;
}

#game:focus-visible {
    box-shadow: inset 0 0 0 3px #8fbfff;
}

.control-panel > div:first-child p {
    margin-bottom: 0.75rem;
    color: #b9c4ca;
    font-size: 0.9rem;
}

.direction-pad {
    display: grid;
    grid-template-columns: repeat(3, minmax(3.75rem, 5rem));
    grid-template-rows: repeat(2, minmax(3.3rem, 4.2rem));
    gap: 0.45rem;
    justify-content: center;
    margin-inline: auto;
    user-select: none;
}

.direction-pad button {
    border: 1px solid #7892a1;
    border-radius: 0.6rem;
    background: #202b32;
    color: #f4f7f8;
    font-size: 1.45rem;
    touch-action: manipulation;
}

.direction-pad button:active {
    background: #355365;
}

.direction-up {
    grid-column: 2;
    grid-row: 1;
}

.direction-left {
    grid-column: 1;
    grid-row: 2;
}

.direction-down {
    grid-column: 2;
    grid-row: 2;
}

.direction-right {
    grid-column: 3;
    grid-row: 2;
}

.runtime-details {
    margin: 0.9rem 0 0;
    padding-top: 0.8rem;
    border-top: 1px solid #3a474f;
    font-size: 0.78rem;
}

.runtime-details div {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.75rem;
    margin-top: 0.45rem;
}

.runtime-details dt {
    color: #a9b6bd;
}

.runtime-details dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
    text-align: right;
}

.startup-error {
    margin: 0.9rem 0 0;
    padding: 0.65rem;
    border: 1px solid #b34b57;
    border-radius: 0.5rem;
    background: #51232a;
}

.app-footer {
    padding: 0.55rem 0.75rem;
    color: #a9b6bd;
    font-size: 0.75rem;
    text-align: center;
}

@media (min-width: 760px) {
    .app-main {
        grid-template-columns: minmax(18rem, 1fr) minmax(17rem, 22rem);
        align-items: start;
    }

    .game-stage {
        width: min(100%, 24rem);
        max-height: 70vh;
    }
}