/*
 * Playground / Arcade — shared stylesheet for the mini games
 *
 * Standalone (does not depend on ../css/style.css) so each game page is
 * fully portable. Tokens mirror the main portfolio for a cohesive look.
 * The arcade is intentionally always-dark — it reads like a console.
 */

:root {
    --color-bg:          #09090b;
    --color-bg-elevated: #111113;
    --color-bg-subtle:   #18181b;

    --color-border:       rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.20);

    --color-text:           #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary:  #71717a;

    --color-accent:        #6366f1;
    --color-accent-bright: #818cf8;
    --color-accent-warm:   #22d3ee;
    --color-success:       #22c55e;
    --color-error:         #f87171;

    --font-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "Geist Mono", "Fira Code", ui-monospace, monospace;

    --radius-sm:   6px;
    --radius-md:   10px;
    --radius-lg:   16px;
    --radius-full: 9999px;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image:
        radial-gradient(60rem 40rem at 50% -10%, rgba(99, 102, 241, 0.12), transparent 60%),
        radial-gradient(50rem 40rem at 100% 100%, rgba(34, 211, 238, 0.08), transparent 55%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-md) var(--space-sm) var(--space-xl);
    line-height: 1.6;
}

a { color: var(--color-accent-bright); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Top bar ── */
.arcade-nav {
    width: 100%;
    max-width: 900px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    transition: color 150ms ease;
}
.back-link:hover { color: var(--color-text); text-decoration: none; }

.arcade-brand {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.04em;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
}

/* ── Game shell ── */
.game-shell {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.game-header { text-align: center; }

.game-header h1 {
    font-size: clamp(2rem, 5vw, 2.75rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-text), var(--color-accent-bright));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.game-tagline {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-accent-bright);
    letter-spacing: 0.04em;
    margin-top: 0.25rem;
}

/* ── Scoreboard chips ── */
.scoreboard {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.score-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 92px;
    padding: 0.5rem 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}
.score-chip .label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-tertiary);
}
.score-chip .value {
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
    font-variant-numeric: tabular-nums;
}
.score-chip.accent .value { color: var(--color-accent-bright); }
.score-chip.warm .value   { color: var(--color-accent-warm); }

/* ── Stage (holds canvas / board) ── */
.game-stage {
    position: relative;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-sm);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
    max-width: 100%;
}

canvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    touch-action: none;
}

/* ── Overlay (start / pause / game-over) ── */
.overlay {
    position: absolute;
    inset: var(--space-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-align: center;
    padding: var(--space-md);
    background: rgba(9, 9, 11, 0.78);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-radius: var(--radius-md);
    transition: opacity 200ms ease;
}
.overlay.hidden { opacity: 0; pointer-events: none; }
.overlay h2 { font-size: 1.75rem; font-weight: 700; }
.overlay p  { color: var(--color-text-secondary); max-width: 42ch; }

/* ── Buttons ── */
.btn {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-text);
    background: var(--color-text);
    color: var(--color-bg);
    cursor: pointer;
    transition: background 150ms ease, color 150ms ease, border-color 150ms ease, transform 100ms ease;
}
.btn:hover { background: transparent; color: var(--color-text); border-color: var(--color-border-hover); }
.btn:active { transform: translateY(1px); }

.btn.ghost {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn.ghost:hover { border-color: var(--color-border-hover); background: var(--color-bg-subtle); }
.btn.ghost.active { border-color: var(--color-accent); color: var(--color-accent-bright); }

.game-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    align-items: center;
}

/* ── Controls hint ── */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    justify-content: center;
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
    max-width: 640px;
    text-align: center;
}
.controls kbd {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    padding: 0.15rem 0.5rem;
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-bottom-width: 2px;
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
}

/* ── On-screen D-pad (touch) ── */
.dpad {
    display: none;
    grid-template-columns: repeat(3, 56px);
    grid-template-rows: repeat(3, 56px);
    gap: 6px;
    margin-top: var(--space-xs);
}
.dpad button {
    font-size: 1.3rem;
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
}
.dpad button:active { background: var(--color-accent); }
.dpad .up    { grid-column: 2; grid-row: 1; }
.dpad .left  { grid-column: 1; grid-row: 2; }
.dpad .right { grid-column: 3; grid-row: 2; }
.dpad .down  { grid-column: 2; grid-row: 3; }
.dpad .spacer { visibility: hidden; }

@media (hover: none) and (pointer: coarse) {
    .dpad { display: grid; }
    .controls .desktop-only { display: none; }
}

/* ── Footer: jump between games ── */
.game-footer {
    margin-top: var(--space-xl);
    width: 100%;
    max-width: 900px;
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.9rem;
}
.game-footer .more-games {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    justify-content: center;
    margin-top: var(--space-sm);
}
.game-footer .more-games a {
    padding: 0.35rem 0.85rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    transition: border-color 150ms ease, color 150ms ease;
}
.game-footer .more-games a:hover {
    border-color: var(--color-border-hover);
    color: var(--color-text);
    text-decoration: none;
}
.game-footer .more-games a[aria-current="page"] {
    border-color: var(--color-accent);
    color: var(--color-accent-bright);
}

@keyframes pop {
    0%   { transform: scale(0.5); opacity: 0; }
    70%  { transform: scale(1.08); }
    100% { transform: scale(1); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}