/* Context Collapse — FunSlop.com
   Juggle a stack of conflicting system prompts before the context window overflows. */

:root {
    --bg-dark: #090b10;
    --neon-green: #39ff14;
    --neon-purple: #bd00ff;
    --cyan: #05d9e8;
    --pink: #ff2a6d;
    --gold: #ffd54a;
    --text-primary: #f0f4f8;
    --text-muted: #8b9bb4;
    --glass-border: rgba(255, 255, 255, 0.08);
    --font-body: 'Outfit', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', 'Outfit', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

html, body { min-height: 100%; }

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--text-primary);
}

/* Ambient neon glow */
.glow-bg {
    position: fixed;
    top: -80px;
    left: -80px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, var(--neon-purple) 0%, transparent 70%);
    opacity: 0.14;
    z-index: -1;
    filter: blur(60px);
    pointer-events: none;
    animation: float 12s infinite alternate;
}

@keyframes float {
    0% { transform: translate(0, 0); }
    100% { transform: translate(120px, 60px); }
}

.game-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    user-select: none;
    -webkit-user-select: none;
}

.state-idle,
.state-gameover {
    cursor: pointer;
}

.content {
    text-align: center;
    padding: 2rem 1.1rem 6rem;
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
}

.title {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 700;
    letter-spacing: -1px;
    margin-bottom: 0.75rem;
    background: linear-gradient(45deg, var(--neon-purple), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Control hints */
.controls-inline {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 0.9rem;
}

.control-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 0.35rem 0.8rem;
}

.control-pill .key {
    font-weight: 700;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.1rem 0.45rem;
    font-size: 0.78rem;
}

.control-pill.action .key { color: var(--neon-green); }
.control-pill.special .key { color: var(--pink); }

/* Hide control hints once a run is underway / finished */
.state-playing .controls-inline,
.state-gameover .controls-inline {
    display: none;
}

.instruction {
    font-size: 1.02rem;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0 auto 0.9rem;
    max-width: 520px;
    min-height: 1.4em;
}

/* HUD */
.hud {
    display: none;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.state-playing .hud,
.state-gameover .hud {
    display: flex;
}

.hud-stat {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 0.35rem 0.85rem;
}

.hud-score { color: var(--cyan); }
.hud-best { color: var(--text-muted); }
.hud-health.ok { color: var(--neon-green); }
.hud-health.mid { color: var(--gold); }
.hud-health.low {
    color: var(--pink);
    animation: pulse-danger 0.9s infinite;
}

@keyframes pulse-danger {
    0%, 100% { box-shadow: 0 0 0 rgba(255, 42, 109, 0); }
    50% { box-shadow: 0 0 14px rgba(255, 42, 109, 0.6); }
}

/* Context window */
.context-window {
    display: none;
    text-align: left;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 0.85rem 0.95rem 0.95rem;
    margin-bottom: 1rem;
}

.state-playing .context-window,
.state-gameover .context-window {
    display: block;
}

.state-gameover .context-window { opacity: 0.55; }

.context-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
    gap: 0.5rem;
}

.context-label {
    font-family: var(--font-display);
    font-size: 0.72rem;
    letter-spacing: 1.5px;
    color: var(--text-muted);
}

.context-meter {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-display);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.context-meter .slot {
    width: 9px;
    height: 9px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    display: inline-block;
}

.context-meter .slot.full {
    background: var(--cyan);
    box-shadow: 0 0 6px rgba(5, 217, 232, 0.6);
}

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.rules-empty {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-style: italic;
    padding: 0.4rem 0.1rem;
}

.rule-chip {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    text-align: left;
    font-family: var(--font-body);
    font-size: 0.92rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--neon-green);
    border-radius: 10px;
    padding: 0.55rem 0.7rem;
    cursor: default;
    transition: border-color 0.2s, background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.rule-chip .rule-num {
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 0.05rem 0.4rem;
    min-width: 1.4em;
    text-align: center;
    flex-shrink: 0;
}

.rule-chip .rule-text { flex: 1; line-height: 1.3; }

.rule-chip .rule-flag {
    font-family: var(--font-display);
    font-size: 0.62rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--gold);
    background: rgba(255, 213, 74, 0.12);
    border-radius: 5px;
    padding: 0.1rem 0.4rem;
    flex-shrink: 0;
}

.rule-chip.fresh {
    animation: rule-in 0.4s ease-out;
}

@keyframes rule-in {
    0% { opacity: 0; transform: translateX(-14px); }
    100% { opacity: 1; transform: translateX(0); }
}

.rule-chip.conflict {
    border-left-color: var(--gold);
    background: rgba(255, 213, 74, 0.06);
}

.rule-chip.broken {
    border-left-color: var(--pink);
    background: rgba(255, 42, 109, 0.12);
    animation: rule-break 0.4s ease-out;
}

@keyframes rule-break {
    0% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
    100% { transform: translateX(0); }
}

/* When the window is full and the player must evict, light up the chips */
.evicting .rule-chip.evictable {
    cursor: pointer;
    border-left-color: var(--pink);
    border-style: dashed;
}

.evicting .rule-chip.evictable:hover {
    background: rgba(255, 42, 109, 0.14);
    transform: translateX(4px);
    box-shadow: 0 0 16px rgba(255, 42, 109, 0.3);
}

.evicting .rule-chip.evictable .rule-num::after {
    content: ' ✕';
    color: var(--pink);
}

/* User message card */
.message-card {
    text-align: left;
    background: linear-gradient(180deg, rgba(189, 0, 255, 0.07), rgba(255, 255, 255, 0.02));
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
}

.message-from {
    font-family: var(--font-display);
    font-size: 0.66rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--neon-purple);
    margin-bottom: 0.35rem;
}

.message-text {
    font-size: 1.05rem;
    line-height: 1.35;
    color: var(--text-primary);
}

.message-card.clean {
    border-color: var(--neon-green);
    animation: card-clean 0.45s ease-out;
}

.message-card.violation {
    border-color: var(--pink);
    animation: card-violation 0.4s ease-in-out;
}

@keyframes card-clean {
    0% { box-shadow: 0 0 0 rgba(57, 255, 20, 0); }
    40% { box-shadow: 0 0 22px rgba(57, 255, 20, 0.45); }
    100% { box-shadow: 0 0 0 rgba(57, 255, 20, 0); }
}

@keyframes card-violation {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* Replies */
.replies {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.reply-btn {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    text-align: left;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 0.85rem 0.9rem;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, transform 0.1s, box-shadow 0.15s;
}

.reply-btn:hover {
    border-color: var(--cyan);
    background: rgba(5, 217, 232, 0.07);
    box-shadow: 0 0 16px rgba(5, 217, 232, 0.2);
}

.reply-btn:active { transform: scale(0.985); }

.reply-btn:focus-visible {
    outline: 3px solid var(--cyan);
    outline-offset: 2px;
}

.reply-btn.locked {
    pointer-events: none;
    opacity: 0.55;
}

.reply-key {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--cyan);
    background: rgba(5, 217, 232, 0.12);
    border-radius: 7px;
    padding: 0.2rem 0.5rem;
    min-width: 1.6em;
    text-align: center;
    flex-shrink: 0;
}

.reply-text { flex: 1; line-height: 1.3; }

/* While evicting, dim the (now-empty) reply area is handled in JS by clearing it */

.hint {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-top: 0.75rem;
    min-height: 1.2em;
}

/* New-best celebration */
.state-gameover.new-best .instruction {
    color: var(--gold);
    text-shadow: 0 0 14px rgba(255, 213, 74, 0.4);
    animation: score-pop 0.45s ease-out;
}

.state-gameover.new-best .hud-score {
    color: var(--gold);
    border-color: var(--gold);
}

@keyframes score-pop {
    0% { transform: scale(0.85); opacity: 0; }
    50% { transform: scale(1.06); }
    100% { transform: scale(1); opacity: 1; }
}

/* How-to / SEO */
.how-to-play {
    text-align: left;
    margin: 3rem auto 0;
    max-width: 560px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 1.75rem;
}

.how-to-play h2 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.how-to-play h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin: 1.25rem 0 0.5rem;
    color: var(--cyan);
}

.how-to-play p {
    font-weight: 300;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.how-to-play strong { color: var(--text-primary); font-weight: 500; }

.how-to-play ol {
    margin: 0.5rem 0 0.75rem 1.25rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.fun-fact {
    margin-top: 1.25rem;
    padding: 1rem;
    border-left: 3px solid var(--neon-purple);
    background: rgba(189, 0, 255, 0.06);
    border-radius: 0 10px 10px 0;
}

.fun-fact p { margin: 0; }

.related-games {
    margin: 2rem auto 0;
    max-width: 560px;
    text-align: center;
}

.related-games h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
}

.related-games-list {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}

.related-game-link {
    text-decoration: none;
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    padding: 0.45rem 1rem;
    font-size: 0.9rem;
    transition: border-color 0.2s, color 0.2s;
}

.related-game-link:hover {
    border-color: var(--neon-green);
    color: var(--neon-green);
}

/* Home link */
.home-link {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.5rem 1.1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 999px;
    backdrop-filter: blur(8px);
    transition: border-color 0.2s, color 0.2s;
    z-index: 10;
}

.home-link:hover {
    border-color: var(--neon-purple);
    color: var(--neon-purple);
}

.home-link:active { transform: translateX(-50%) scale(0.95); }

.home-link:focus-visible {
    outline: 3px solid var(--cyan);
    outline-offset: 2px;
}

/* Responsive */
@media (max-width: 600px) {
    .title { font-size: 1.85rem; }
    .instruction { font-size: 0.95rem; }
    .message-text { font-size: 0.98rem; }
    .reply-btn { font-size: 0.94rem; padding: 0.75rem 0.75rem; }
    .rule-chip { font-size: 0.86rem; }
    .hud-stat { font-size: 0.82rem; padding: 0.3rem 0.7rem; }
    .content { padding: 1.5rem 0.9rem 6rem; }
}