/* ─────────────────────────────────────────────────────────────────────────
   Tilt Tiles — Premium UI
   A tile-grid party game. Arcade energy meets crafted physicality.
   ───────────────────────────────────────────────────────────────────────── */

/* ── Design tokens ─────────────────────────────────────────────────────── */
:root {
    --cosmos: #080812;
    --nebula: #15142a;
    --nebula-2: #1e1d38;
    --border: rgba(255, 255, 255, 0.06);

    --stardust: #eeeaf4;
    --dust: #a09db5;
    --void: #787490;
    --mute: #4a4760;

    --flare: #ff5e5b;
    --flare-h: #ff7b78;
    --aurora: #34d399;
    --aurora-h: #5ce0b0;
    --solar: #f59e0b;
    --glacier: #818cf8;

    --pill: 100px;
    --r: 16px;
    --r-sm: 12px;

    --font-display:
        "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-body:
        -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono:
        "SF Mono", "JetBrains Mono", "Cascadia Code", ui-monospace, monospace;
}

/* ── Reset & base ──────────────────────────────────────────────────────── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
}
html,
body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    background: var(--cosmos);
    font-family: var(--font-body);
    color: var(--stardust);
    touch-action: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
#game {
    display: block;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}
#ui {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* ── Error bar ─────────────────────────────────────────────────────────── */
#errbar {
    display: none;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    padding: 10px 14px;
    background: var(--flare);
    color: #fff;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    pointer-events: none;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ── Screens ───────────────────────────────────────────────────────────── */
.screen {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    pointer-events: auto;
    background: rgba(8, 8, 18, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    overflow-y: auto;
}
.screen.hidden {
    display: none;
}

.panel {
    width: 100%;
    max-width: 360px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding-bottom: env(safe-area-inset-bottom, 16px);
}

/* ── Logo — the signature ──────────────────────────────────────────────── */
.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    margin-bottom: 6px;
}

/* 2×2 tile grid that IS the brand */
.logo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5px;
    width: 68px;
    height: 68px;
}
.logo-tile {
    border-radius: 12px;
    animation: logo-breathe 3s ease-in-out infinite;
}
.logo-tile:nth-child(1) {
    animation-delay: 0s;
}
.logo-tile:nth-child(2) {
    animation-delay: 0.15s;
}
.logo-tile:nth-child(3) {
    animation-delay: 0.3s;
}
.logo-tile:nth-child(4) {
    animation-delay: 0.45s;
}

.lt-aurora {
    background: var(--aurora);
}
.lt-flare {
    background: var(--flare);
}
.lt-glacier {
    background: var(--glacier);
}
.lt-solar {
    background: var(--solar);
}

@keyframes logo-breathe {
    0%,
    100% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.92);
    }
}

.logo-text {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    color: var(--stardust);
    line-height: 1;
}

/* ── Tagline ───────────────────────────────────────────────────────────── */
.tagline {
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--dust);
    margin-bottom: 32px;
    max-width: 280px;
}
.safe-word {
    color: var(--aurora);
    font-style: normal;
    font-weight: 700;
}
.danger-word {
    color: var(--flare);
    font-style: normal;
    font-weight: 700;
}

/* ── Section label ─────────────────────────────────────────────────────── */
.section-label {
    font-family: var(--font-display);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--mute);
    margin-bottom: 10px;
}

/* ── Secure banner ─────────────────────────────────────────────────────── */
.secure-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    margin-bottom: 18px;
    padding: 13px 16px;
    background: rgba(52, 211, 153, 0.07);
    border: 1px solid rgba(52, 211, 153, 0.22);
    border-radius: var(--r);
    color: var(--aurora);
    font-size: 0.8125rem;
    font-weight: 500;
    text-decoration: none;
    pointer-events: auto;
    transition:
        background 0.15s,
        border-color 0.15s;
}
.secure-banner:hover {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
}
.secure-banner .secure-icon {
    font-size: 1rem;
    flex-shrink: 0;
}
.secure-banner.hidden {
    display: none;
}

/* ── Fields ────────────────────────────────────────────────────────────── */
.field {
    width: 100%;
    display: block;
    margin-bottom: 14px;
    padding: 15px 16px;
    background: var(--nebula-2);
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    color: var(--stardust);
    font-size: 1rem;
    font-family: var(--font-body);
    text-align: center;
    outline: none;
    transition:
        border-color 0.2s,
        box-shadow 0.2s;
}
.field:focus {
    border-color: rgba(255, 94, 91, 0.45);
    box-shadow: 0 0 0 3px rgba(255, 94, 91, 0.1);
}
.field::placeholder {
    color: var(--mute);
}
.field.code {
    text-transform: uppercase;
    letter-spacing: 6px;
    font-weight: 700;
    font-size: 1.05rem;
    font-family: var(--font-display);
}

/* ── Buttons ───────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 15px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--font-display);
    border: none;
    cursor: pointer;
    transition:
        transform 0.1s,
        filter 0.15s,
        background 0.15s,
        box-shadow 0.15s;
    pointer-events: auto;
    white-space: nowrap;
    position: relative;
}
.btn:active {
    transform: scale(0.97);
}
.btn:disabled {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
    filter: none;
}
.btn:focus-visible {
    outline: 2px solid var(--flare);
    outline-offset: 2px;
}

/* pill radius */
.btn.pill {
    border-radius: var(--pill);
}

/* width */
.btn.wide {
    width: 100%;
}

/* primary */
.btn.primary {
    background: var(--flare);
    color: #fff;
    box-shadow: 0 4px 20px rgba(255, 94, 91, 0.25);
}
.btn.primary:hover {
    background: var(--flare-h);
    box-shadow: 0 6px 24px rgba(255, 94, 91, 0.35);
}

/* outline */
.btn.outline {
    background: transparent;
    border: 1.5px solid rgba(255, 94, 91, 0.35);
    color: var(--flare);
}
.btn.outline:hover {
    background: rgba(255, 94, 91, 0.07);
    border-color: rgba(255, 94, 91, 0.55);
}

/* ghost */
.btn.ghost {
    background: var(--nebula-2);
    border: 1.5px solid var(--border);
    color: var(--dust);
}
.btn.ghost:hover {
    background: var(--nebula);
    color: var(--stardust);
    border-color: rgba(255, 255, 255, 0.1);
}

.btn-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 4px;
}

/* link button (subtle) */
.link-btn {
    margin-top: 14px;
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--void);
    cursor: pointer;
    pointer-events: auto;
    transition: color 0.15s;
}
.link-btn:hover {
    color: var(--dust);
}

/* back-to-games link (fixed, top-left; hidden during gameplay) */
.home-link {
    position: fixed;
    top: 14px;
    left: 14px;
    z-index: 40;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(8, 8, 18, 0.55);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 600;
    color: #cfd2e8;
    text-decoration: none;
    pointer-events: auto;
    backdrop-filter: blur(6px);
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.home-link:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(8, 8, 18, 0.75);
}
.home-link.hidden {
    display: none;
}

/* ── Divider ───────────────────────────────────────────────────────────── */
.divider {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 20px 0;
    font-family: var(--font-display);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--mute);
}
.divider::before,
.divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ── Join row ──────────────────────────────────────────────────────────── */
.join-row {
    width: 100%;
    display: flex;
    gap: 10px;
    align-items: stretch;
}
.join-row .field {
    margin-bottom: 0;
    flex: 1;
}
.join-row .btn {
    margin-top: 0;
    flex: 0 0 auto;
}

/* ── Hint / sub ────────────────────────────────────────────────────────── */
.hint {
    font-size: 0.8125rem;
    color: var(--void);
    margin-top: 12px;
    line-height: 1.5;
}
.sub {
    font-size: 0.9375rem;
    color: var(--dust);
    margin-bottom: 20px;
    line-height: 1.5;
}

/* ── Room code (lobby) ─────────────────────────────────────────────────── */
.roomcode {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin: 6px 0 6px;
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    color: var(--stardust);
}

/* ── Player list ───────────────────────────────────────────────────────── */
.players {
    list-style: none;
    width: 100%;
    margin: 18px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.players li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--nebula);
    border: 1px solid var(--border);
    border-radius: var(--r);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--stardust);
    transition: border-color 0.2s;
}
.players li:has(.host-tag) {
    border-color: rgba(255, 94, 91, 0.2);
}
.players .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex: none;
    box-shadow: 0 0 8px currentColor;
}
.players .host-tag {
    margin-left: auto;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--flare);
    padding: 3px 8px;
    border-radius: 20px;
    background: rgba(255, 94, 91, 0.12);
    font-family: var(--font-body);
}

/* ── HUD ───────────────────────────────────────────────────────────────── */
#hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    font-family: var(--font-display);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--dust);
    pointer-events: none;
    letter-spacing: 0.02em;
}
#hud.hidden {
    display: none;
}

/* ── Timer bar ─────────────────────────────────────────────────────────── */
#timer-bar {
    position: absolute;
    top: 48px;
    left: 12%;
    right: 12%;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.06);
    overflow: hidden;
    pointer-events: none;
}
#timer-bar.hidden {
    display: none;
}
#timer-bar-fill {
    height: 100%;
    width: 100%;
    transform-origin: left;
    background: linear-gradient(
        90deg,
        var(--aurora) 0%,
        var(--solar) 60%,
        var(--flare) 100%
    );
    transition: transform 0.1s linear;
    border-radius: 2px;
}

/* ── Spectating banner ─────────────────────────────────────────────────── */
.banner {
    position: absolute;
    top: 58px;
    left: 50%;
    transform: translateX(-50%);
    padding: 7px 16px;
    background: rgba(255, 94, 91, 0.1);
    border: 1px solid rgba(255, 94, 91, 0.22);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--flare);
    white-space: nowrap;
    pointer-events: none;
}
.banner.hidden {
    display: none;
}

/* ── Toast ─────────────────────────────────────────────────────────────── */
.toast {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 16px 32px;
    background: var(--flare);
    color: #fff;
    border-radius: var(--pill);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    pointer-events: none;
    box-shadow: 0 8px 32px rgba(255, 94, 91, 0.35);
    animation: toast-pop 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast.hidden {
    display: none;
}
@keyframes toast-pop {
    from {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.85);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

/* ── Settings bottom sheet ─────────────────────────────────────────────── */
#tune-panel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    padding: 10px 20px calc(18px + env(safe-area-inset-bottom, 0px));
    background: var(--nebula);
    border-top: 1px solid var(--border);
    border-radius: 22px 22px 0 0;
    pointer-events: auto;
    animation: slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
#tune-panel.hidden {
    display: none;
}
@keyframes slide-up {
    from {
        transform: translateY(40px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.tune-handle {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0 auto 14px;
}
.tune-readout {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    text-align: center;
    color: var(--solar);
    margin-bottom: 14px;
    letter-spacing: 0.03em;
}
.tune-rows {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.tune-rows label {
    display: grid;
    grid-template-columns: 100px 1fr 48px;
    align-items: center;
    gap: 12px;
    font-size: 0.8125rem;
    color: var(--dust);
    font-family: var(--font-body);
}
.tune-rows input[type="range"] {
    width: 100%;
    accent-color: var(--flare);
    height: 4px;
}
.tune-rows span {
    font-family: var(--font-mono);
    text-align: right;
    font-size: 0.8125rem;
    color: var(--stardust);
    font-weight: 600;
}
.tune-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}
.tune-actions .btn {
    flex: 1;
    margin-top: 0;
    padding: 12px 8px;
    font-size: 0.875rem;
}
.tune-note {
    margin-top: 10px;
    font-size: 0.6875rem;
    color: var(--mute);
    text-align: center;
    font-family: var(--font-body);
}

/* ── Results ───────────────────────────────────────────────────────────── */
.crown {
    font-size: 3.2rem;
    margin-bottom: 10px;
    animation: crown-land 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.crown.hidden {
    display: none;
}
@keyframes crown-land {
    from {
        transform: scale(0) rotate(-15deg);
        opacity: 0;
    }
    to {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

#over-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--stardust);
    margin-bottom: 4px;
}

.standings {
    list-style: none;
    width: 100%;
    margin: 14px 0 22px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
    counter-reset: rank;
}
.standings li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    background: var(--nebula);
    border: 1px solid var(--border);
    border-radius: var(--r);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--stardust);
}
.standings li.first {
    background: rgba(255, 94, 91, 0.06);
    border-color: rgba(255, 94, 91, 0.25);
}
.standings li.you {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.04);
}
.standings .rank {
    min-width: 28px;
    font-weight: 700;
    color: var(--mute);
    font-size: 0.875rem;
    font-family: var(--font-display);
}
.standings li.first .rank {
    color: var(--flare);
}
.standings .dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    flex: none;
    box-shadow: 0 0 6px currentColor;
}
.standings .who {
    flex: 1;
}
.standings .meta {
    font-size: 0.75rem;
    color: var(--void);
    font-family: var(--font-body);
}

/* ── Reduced motion ────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    .logo-tile {
        animation: none;
    }
    .toast {
        animation: none;
    }
    .crown {
        animation: none;
    }
    #tune-panel {
        animation: none;
    }
    .btn {
        transition: none;
    }
    .btn:active {
        transform: none;
    }
    .field {
        transition: none;
    }
    .secure-banner {
        transition: none;
    }
    #timer-bar-fill {
        transition: none;
    }
}