:root {
    --bg: #060911;
    --bg-raised: #0d1424;
    --line: rgba(148, 163, 184, 0.16);
    --text: #e2e8f0;
    --text-dim: #94a3b8;
    --accent: #4ade80;
    --accent-2: #38bdf8;
    --accent-3: #f0abfc;
    --radius: 14px;
    --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background:
        radial-gradient(1100px 600px at 50% -10%, rgba(56, 189, 248, 0.12), transparent 65%),
        radial-gradient(800px 500px at 90% 20%, rgba(240, 171, 252, 0.08), transparent 60%),
        var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); }

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    padding: 0.6rem 1rem;
    background: var(--bg-raised);
    border-radius: 0 0 var(--radius) 0;
    z-index: 10;
}
.skip-link:focus { left: 0; }

/* Masthead ---------------------------------------------------------------- */

.masthead {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.5rem;
    align-items: center;
    justify-content: space-between;
    max-width: 1180px;
    margin: 0 auto;
    padding: 1.6rem 1.25rem 1rem;
}

.masthead__brand {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.masthead h1 {
    font-family: var(--mono);
    font-size: clamp(1.35rem, 3.2vw, 1.75rem);
    letter-spacing: -0.02em;
    margin: 0;
}

.masthead p {
    margin: 0.15rem 0 0;
    color: var(--text-dim);
    font-size: 0.9rem;
    max-width: 46ch;
}

.logo {
    width: 34px;
    height: 34px;
    flex: none;
    background: conic-gradient(from 210deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
    clip-path: polygon(50% 0%, 100% 78%, 50% 60%, 0% 78%);
    filter: drop-shadow(0 0 10px rgba(74, 222, 128, 0.45));
}

.masthead__links {
    display: flex;
    gap: 1.25rem;
    font-family: var(--mono);
    font-size: 0.82rem;
}

.masthead__links a {
    color: var(--text-dim);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}
.masthead__links a:hover { color: var(--text); border-bottom-color: var(--accent); }

/* Stage ------------------------------------------------------------------- */

.stage {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0.5rem 1.25rem 2rem;
}

.stage__frame {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #070b14;
    box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
    /* Tall enough to play on a laptop, capped so it never outgrows the fold. */
    height: min(72vh, 700px);
    min-height: 380px;
}

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

.stage__controls {
    position: absolute;
    right: 0.75rem;
    bottom: 0.75rem;
    display: flex;
    gap: 0.5rem;
    z-index: 3;
}

.icon-button {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-dim);
    background: rgba(13, 20, 36, 0.7);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    backdrop-filter: blur(6px);
}
.icon-button:hover { color: var(--text); border-color: var(--accent); }

/* Overlays ---------------------------------------------------------------- */

.overlay {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    background: rgba(6, 9, 17, 0.72);
    backdrop-filter: blur(3px);
    z-index: 2;
}
.overlay[hidden] { display: none; }

.panel {
    width: min(420px, 100%);
    text-align: center;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(18, 27, 48, 0.92), rgba(9, 14, 26, 0.92));
    padding: 1.75rem 1.5rem;
    animation: panel-in 260ms cubic-bezier(0.2, 0.9, 0.3, 1.2);
}

@keyframes panel-in {
    from { opacity: 0; transform: translateY(14px) scale(0.98); }
    to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .panel { animation: none; }
    html { scroll-behavior: auto; }
}

.panel__eyebrow {
    margin: 0;
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--accent);
}

.panel h2 {
    font-family: var(--mono);
    font-size: clamp(1.7rem, 5vw, 2.4rem);
    margin: 0.4rem 0 0.6rem;
    letter-spacing: -0.02em;
}

.panel__lead {
    margin: 0 auto 1.25rem;
    color: var(--text-dim);
    font-size: 0.92rem;
    max-width: 34ch;
}

.panel__actions {
    display: flex;
    gap: 0.6rem;
    justify-content: center;
    flex-wrap: wrap;
}

.mode-select {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.1rem;
}

.mode-pill {
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    background: rgba(148, 163, 184, 0.07);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    cursor: pointer;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease, color 120ms ease;
}
.mode-pill:hover { transform: translateY(-1px); border-color: var(--accent); }
.mode-pill[aria-pressed="true"] {
    color: #eafff2;
    background: linear-gradient(180deg, rgba(74, 222, 128, 0.22), rgba(74, 222, 128, 0.08));
    border-color: rgba(74, 222, 128, 0.5);
}

.button {
    font-family: var(--mono);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text);
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.7rem 1.5rem;
    cursor: pointer;
    transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.button:hover { transform: translateY(-1px); border-color: var(--accent); }
.button:active { transform: translateY(0); }

.button--primary {
    background: linear-gradient(180deg, rgba(74, 222, 128, 0.22), rgba(74, 222, 128, 0.08));
    border-color: rgba(74, 222, 128, 0.5);
    color: #eafff2;
}

.panel__stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1.5rem 0 0;
    font-family: var(--mono);
}
.panel__stats div { text-align: center; }
.panel__stats dt {
    font-size: 0.65rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.panel__stats dd { margin: 0.2rem 0 0; font-size: 1.15rem; }
.panel__hint { font-size: 0.75rem !important; color: var(--text-dim); }

/* Sections ---------------------------------------------------------------- */

.section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 2.5rem 1.25rem;
    border-top: 1px solid var(--line);
}

.section--flush { border-top: none; padding-top: 0.5rem; }

.section h2 {
    font-family: var(--mono);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    margin: 0 0 1.25rem;
    letter-spacing: -0.01em;
}

/* Game hub ------------------------------------------------------------ */

.game-grid {
    display: grid;
    gap: 1.1rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.game-card {
    --glow: #4ade80;
    position: relative;
    display: block;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(18, 27, 48, 0.7), rgba(9, 14, 26, 0.7));
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text);
    transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}
.game-card:hover,
.game-card:focus-visible {
    transform: translateY(-3px);
    border-color: var(--glow);
    box-shadow: 0 18px 40px -24px var(--glow);
}
.game-card--green { --glow: #4ade80; }
.game-card--pink { --glow: #f0abfc; }
.game-card--blue { --glow: #38bdf8; }
.game-card--red { --glow: #f43f5e; }
.game-card--amber { --glow: #fbbf24; }
.game-card--violet { --glow: #a78bfa; }

.game-card::before {
    content: "";
    position: absolute;
    inset: -40% -40% auto auto;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, var(--glow) 0%, transparent 70%);
    opacity: 0.16;
    pointer-events: none;
}

.game-card__eyebrow {
    margin: 0;
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--glow);
}

.game-card h2 {
    font-family: var(--mono);
    font-size: 1.3rem;
    margin: 0.4rem 0 0.6rem;
    letter-spacing: -0.01em;
}

.game-card__lead {
    margin: 0 0 1.1rem;
    color: var(--text-dim);
    font-size: 0.88rem;
}

.game-card__play {
    font-family: var(--mono);
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text);
}

.section__lead {
    color: var(--text-dim);
    max-width: 76ch;
    margin: 0 0 1.5rem;
    font-size: 0.95rem;
}

.cards {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(13, 20, 36, 0.6);
    padding: 1.25rem;
}

.card h3 {
    font-family: var(--mono);
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent);
    margin: 0 0 0.9rem;
}

.keys {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.55rem;
    font-size: 0.88rem;
    color: var(--text-dim);
}

kbd {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text);
    background: rgba(148, 163, 184, 0.12);
    border: 1px solid var(--line);
    border-bottom-width: 2px;
    border-radius: 5px;
    padding: 0.1rem 0.4rem;
    margin-right: 0.15rem;
}

.key-word { color: var(--text); font-family: var(--mono); font-size: 0.8rem; }

/* Mapping table ----------------------------------------------------------- */

.table-scroll {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.mapping {
    width: 100%;
    min-width: 640px;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.mapping caption {
    text-align: left;
    padding: 0.9rem 1rem 0;
    color: var(--text-dim);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.mapping th,
.mapping td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--line);
    vertical-align: top;
}

.mapping thead th {
    color: var(--text-dim);
    font-family: var(--mono);
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 600;
}

.mapping tbody tr:last-child td { border-bottom: none; }
.mapping td:nth-child(3) { color: var(--text-dim); }

code {
    font-family: var(--mono);
    font-size: 0.82em;
    color: var(--accent-2);
    background: rgba(56, 189, 248, 0.08);
    border-radius: 4px;
    padding: 0.05rem 0.3rem;
}

/* Easing curves ----------------------------------------------------------- */

.curves__title {
    font-family: var(--mono);
    font-size: 0.95rem;
    margin: 2.25rem 0 0.5rem;
}

.curves {
    display: grid;
    gap: 0.75rem;
    /* Two rows of four on desktop, two columns on phones: never a stray orphan. */
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 640px) {
    .curves { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.curve {
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(13, 20, 36, 0.6);
    padding: 0.6rem;
}

.curve canvas {
    display: block;
    width: 100%;
    height: 84px;
}

.curve figcaption {
    font-family: var(--mono);
    font-size: 0.68rem;
    overflow-wrap: anywhere;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-top: 0.5rem;
    text-align: center;
}

/* Footer ------------------------------------------------------------------ */

.footer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 2rem 1.25rem 3rem;
    border-top: 1px solid var(--line);
    color: var(--text-dim);
    font-size: 0.85rem;
}
.footer p { margin: 0; }

/* Small screens ----------------------------------------------------------- */

@media (max-width: 720px) {
    .stage { padding: 0.25rem 0.75rem 1.5rem; }
    .stage__frame { height: min(68vh, 560px); border-radius: 12px; }
    .masthead { padding: 1.1rem 0.9rem 0.75rem; }
    .masthead__links { font-size: 0.78rem; gap: 1rem; }
    #game { cursor: default; }
}

/* Landscape phones: give the arena as much height as possible. */
@media (max-height: 520px) and (orientation: landscape) {
    .masthead { padding-block: 0.6rem; }
    .masthead p { display: none; }
    .stage__frame { height: 82vh; }
}


/* Multiplayer Lobby and Net HUD ------------------------------------------- */

.overlay--lobby {
    z-index: 10;
}

.panel--lobby {
    width: min(440px, 94%);
}

.panel__actions--vertical {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
}

.button--secondary {
    background: linear-gradient(180deg, rgba(56, 189, 248, 0.2), rgba(56, 189, 248, 0.08));
    border-color: rgba(56, 189, 248, 0.45);
    color: #e0f2fe;
}
.button--secondary:hover {
    border-color: var(--accent-2);
}

.button--ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-dim);
}
.button--ghost:hover {
    color: var(--text);
    background: rgba(148, 163, 184, 0.08);
}

.lobby-code-display {
    font-size: clamp(2rem, 7vw, 2.8rem) !important;
    letter-spacing: 0.18em;
    color: var(--accent);
    text-shadow: 0 0 16px rgba(74, 222, 128, 0.4);
    margin: 0.3rem 0 0.6rem !important;
    font-family: var(--mono);
}

.lobby-code-actions {
    display: flex;
    justify-content: center;
    gap: 0.65rem;
    margin: 1rem 0;
}

.lobby-help-text {
    font-size: 0.76rem;
    color: var(--text-dim);
    margin: 0.6rem auto 1.2rem;
    max-width: 38ch;
}

.lobby-join-form {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-top: 0.5rem;
}

.lobby-input {
    width: 100%;
    font-family: var(--mono);
    font-size: 1.5rem;
    letter-spacing: 0.25em;
    text-align: center;
    text-transform: uppercase;
    color: var(--text);
    background: rgba(13, 20, 36, 0.85);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 0.65rem 0.8rem;
    outline: none;
    transition: border-color 150ms ease, box-shadow 150ms ease;
}
.lobby-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.25);
}

.lobby-error {
    font-size: 0.8rem;
    color: #f87171;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.28);
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
    margin: 0.4rem 0;
}

.lobby-status {
    font-size: 0.82rem;
    color: var(--accent-2);
    margin: 0.4rem 0;
}

.net-hud-badge {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text);
    background: rgba(13, 20, 36, 0.85);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.28rem 0.7rem;
    backdrop-filter: blur(6px);
    z-index: 4;
    pointer-events: none;
}

.net-hud-badge[hidden] {
    display: none;
}

.net-hud-badge__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px var(--accent);
}


/* In-game Multiplayer Chat ------------------------------------------------- */

.net-chat-root {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 4;
}

.net-chat-toggle {
    position: absolute;
    left: 0.75rem;
    bottom: 0.75rem;
    pointer-events: auto;
    z-index: 4;
}

.net-chat-stream {
    position: absolute;
    bottom: 3.5rem;
    left: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-width: 320px;
    pointer-events: none;
    z-index: 4;
}

.net-chat-bubble {
    font-family: var(--mono);
    font-size: 0.78rem;
    padding: 0.4rem 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--line);
    backdrop-filter: blur(8px);
    animation: bubble-in 180ms cubic-bezier(0.2, 0.9, 0.3, 1.2);
    transition: opacity 300ms ease, transform 300ms ease;
    word-break: break-word;
}

@keyframes bubble-in {
    from { opacity: 0; transform: translateY(8px) scale(0.95); }
    to { opacity: 1; transform: none; }
}

.net-chat-bubble--fadeout {
    opacity: 0;
    transform: translateY(-8px);
}

.net-chat-bubble--self {
    background: rgba(18, 38, 28, 0.92);
    border-color: rgba(74, 222, 128, 0.4);
    color: #eafff2;
}
.net-chat-bubble--self .net-chat-bubble__author {
    color: var(--accent);
    font-weight: 700;
    margin-right: 0.3rem;
}

.net-chat-bubble--peer {
    background: rgba(42, 18, 30, 0.92);
    border-color: rgba(244, 63, 94, 0.4);
    color: #ffe4e6;
}
.net-chat-bubble--peer .net-chat-bubble__author {
    color: #f43f5e;
    font-weight: 700;
    margin-right: 0.3rem;
}

.net-chat-drawer {
    position: absolute;
    bottom: 3.5rem;
    left: 0.75rem;
    width: min(340px, 90%);
    background: rgba(13, 20, 36, 0.96);
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 0.75rem;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.7);
    pointer-events: auto;
    z-index: 5;
    backdrop-filter: blur(10px);
    animation: drawer-in 160ms ease;
}

@keyframes drawer-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: none; }
}

.net-chat-drawer__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.net-chat-drawer__title {
    font-family: var(--mono);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-2);
}

.net-chat-drawer__close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    font-size: 1.15rem;
    cursor: pointer;
    padding: 0 0.3rem;
    line-height: 1;
}
.net-chat-drawer__close:hover {
    color: var(--text);
}

.net-chat-chips {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    margin-bottom: 0.6rem;
}

.net-chat-chip {
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 0.2rem 0.55rem;
    font-family: var(--sans);
    font-size: 0.76rem;
    color: var(--text);
    cursor: pointer;
    transition: background 120ms ease, transform 120ms ease, border-color 120ms ease;
}
.net-chat-chip:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: var(--accent-2);
    transform: scale(1.05);
}

.net-chat-form {
    display: flex;
    gap: 0.4rem;
}

.net-chat-input {
    flex: 1;
    background: rgba(6, 9, 17, 0.85);
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    padding: 0.42rem 0.65rem;
    font-family: var(--sans);
    font-size: 0.82rem;
    outline: none;
}
.net-chat-input:focus {
    border-color: var(--accent-2);
}

.net-chat-send {
    padding: 0.42rem 0.85rem;
    font-size: 0.72rem;
}

/* Multiplayer Arena Section & Badges -------------------------------------- */

.section--multiplayer {
    border-top: 1px solid rgba(56, 189, 248, 0.25);
    background: radial-gradient(ellipse at 50% 0%, rgba(56, 189, 248, 0.08) 0%, transparent 70%);
}

.multiplayer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.4);
    color: var(--accent-2);
    font-family: var(--mono);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.multiplayer-badge__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-2);
    box-shadow: 0 0 8px var(--accent-2);
    animation: live-pulse 1.8s infinite ease-in-out;
}

@keyframes live-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

.game-card__badge {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    background: rgba(56, 189, 248, 0.16);
    border: 1px solid rgba(56, 189, 248, 0.45);
    color: var(--accent-2);
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.2rem 0.55rem;
    border-radius: 6px;
    pointer-events: none;
}

.game-card--multi {
    position: relative;
    border-color: rgba(56, 189, 248, 0.28);
    background: linear-gradient(180deg, rgba(13, 20, 36, 0.9) 0%, rgba(9, 14, 26, 0.95) 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.game-card--multi:hover {
    border-color: var(--accent-2);
    box-shadow: 0 8px 30px rgba(56, 189, 248, 0.18);
    transform: translateY(-4px);
}

/* Animations & Transitions Juice ------------------------------------------ */

.game-card {
    transition: transform 220ms cubic-bezier(0.16, 1, 0.3, 1),
                border-color 220ms ease,
                box-shadow 220ms ease;
}

.game-card:hover {
    transform: translateY(-3px);
}

.mode-pill {
    transition: background 150ms ease, color 150ms ease, border-color 150ms ease, transform 120ms ease;
}

.mode-pill:hover {
    transform: translateY(-1px);
}

.mode-pill:active {
    transform: translateY(1px);
}

.button {
    transition: transform 120ms ease, box-shadow 150ms ease, filter 150ms ease, background 150ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button:active {
    transform: scale(0.97);
}

.panel {
    animation: panel-pop 240ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes panel-pop {
    from {
        opacity: 0;
        transform: scale(0.96) translateY(6px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}