/* ── Page shell ─────────────────────────────────────────── */
.page-shell {
    position: relative;
    z-index: 3;
    width: min(100%, 1440px);
    flex: 1 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

/* ── App layout ─────────────────────────────────────────── */
.app-layout {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
}

.main-column {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ── Header ─────────────────────────────────────────────── */
header {
    position: relative;
    z-index: 100;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    text-align: center;
    margin-bottom: 4px;
}
header h1 {
    font-size: clamp(2.1rem, 5vw, 3.2rem);
    letter-spacing: -0.04em;
    line-height: 1.05;
    color: var(--accent);
}
header p {
    max-width: 880px;
    color: var(--muted);
    font-size: 1rem;
    letter-spacing: 0.04em;
}

/* ── Top bar ─────────────────────────────────────────────── */
.top-bar {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
    gap: 12px;
}
.top-bar-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.brand-column {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}
.brand {
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
    overflow: visible;
}

/* Logo */
.site-logo       { display: inline-block; max-width: 100%; height: auto; }
.site-logo--hero { width: 320px; height: auto; transition: filter 0.40s ease, width 160ms ease; }

/* SEO: visually hidden H1 that's still crawlable */
.brand-h1 {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Logo hover — fish dart */
@keyframes logo-dart {
    0%   { transform: translateX(0)    skewX(0deg);   filter: drop-shadow(0 0  6px rgba(6,182,212,0.25)); }
    30%  { transform: translateX(8px)  skewX(-4deg);  filter: drop-shadow(0 0 18px rgba(6,182,212,0.65)); }
    60%  { transform: translateX(-4px) skewX(2deg);   filter: drop-shadow(0 0 10px rgba(6,182,212,0.40)); }
    100% { transform: translateX(0)    skewX(0deg);   filter: drop-shadow(0 0  6px rgba(6,182,212,0.25)); }
}
.brand:hover .site-logo--hero { animation: logo-dart 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards; }

/* Logo bubble hover FX */
@keyframes logo-bubble-rise {
    0%   { transform: translateY(0)     scale(1.0); opacity: 0.80; }
    60%  { transform: translateY(-22px) scale(0.65); opacity: 0.50; }
    100% { transform: translateY(-44px) scale(0.25); opacity: 0.00; }
}

/* Top nav icon buttons */
.top-nav-btn {
    width: 36px; height: 36px; border-radius: 50%;
    background: transparent; border: none;
    color: var(--muted); font-size: 0.92rem;
    display: grid; place-items: center;
    cursor: pointer;
    transition: color 0.18s, transform 0.2s;
    min-width: unset;
}
.top-nav-btn:hover  { color: var(--accent); transform: scale(1.18) rotate(-8deg); box-shadow: none; background: transparent; }
.sign-out-btn:hover { color: var(--danger); transform: scale(1.15) translateX(2px); }

/* Coral-accented nav buttons */
.top-nav-btn--coral,
.auth-icon-btn--coral { color: var(--coral); }
.top-nav-btn--coral:hover { color: #ff9990; transform: scale(1.12); }

/* Site tagline */
.site-tagline { color: var(--muted); font-size: 0.82rem; letter-spacing: 0.03em; font-style: italic; }

/* ── Screen warnings (capslock / lang) ──────────────────── */
.screen-warnings {
    position: fixed;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    align-items: center;
    z-index: 9999;
    pointer-events: none;
}
.action-indicators { display: none; }

/* ── Footer ─────────────────────────────────────────────── */
footer {
    position: relative;
    z-index: 3;
    width: 100%;
    margin-top: 20px;
    background: transparent;
    border-top: 1px solid rgba(6,182,212,0.12);
    padding: 14px 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}
footer p { font-size: 0.88rem; color: var(--coral); opacity: 0.85; text-align: center; letter-spacing: 0.05em; }

.footer-actions { display: flex; gap: 8px; }
.footer-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 12px; border-radius: 8px;
    font-size: 0.74rem; font-weight: 600;
    background: transparent;
    border: 1px solid rgba(6,182,212,0.30);
    color: var(--coral);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.footer-btn:hover          { background: var(--coral-dim); color: var(--coral); transform: none; box-shadow: none; }
.footer-btn.bug-report-btn { border-color: rgba(248,113,113,0.28); }
.footer-btn.bug-report-btn:hover { color: var(--danger); }
.footer-share-btn          { border-color: rgba(6,182,212,0.28); }

/* Bug button — bug walks, text flees */
.footer-btn.bug-report-btn .bug-btn-text { display: inline-block; }
.footer-btn.bug-report-btn:hover .bug-btn-text { animation: text-flee 0.9s ease-in-out; }
@keyframes text-flee {
    0%   { transform: translate(0,    0)   rotate(0deg); }
    35%  { transform: translate(14px, 7px) rotate(7deg); }
    70%  { transform: translate(14px, 7px) rotate(7deg); }
    100% { transform: translate(0,    0)   rotate(0deg); }
}
.footer-btn.bug-report-btn svg,
.footer-btn.bug-report-btn i { display: inline-block; }
.footer-btn.bug-report-btn:hover svg,
.footer-btn.bug-report-btn:hover i { animation: bug-walk 0.9s ease-in-out; }
@keyframes bug-walk {
    0%   { transform: translate(0,    0)    rotate(0deg);   }
    12%  { transform: translate(-5px, -2px) rotate(-18deg); }
    25%  { transform: translate(-9px,  0)   rotate(-10deg); }
    38%  { transform: translate(-5px, -2px) rotate(-18deg); }
    50%  { transform: translate(0,    0)    rotate(0deg);   }
    62%  { transform: translate(5px,  -2px) rotate(18deg);  }
    75%  { transform: translate(9px,   0)   rotate(10deg);  }
    88%  { transform: translate(5px,  -2px) rotate(18deg);  }
    100% { transform: translate(0,    0)    rotate(0deg);   }
}

/* ── Ad slots ────────────────────────────────────────────── */
.ad-slot {
    width: 100%;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px; overflow: hidden;
    background: rgba(30, 100, 180, 0.04);
    border: 1px dashed rgba(8,100,120,0.20);
}
.ad-slot--leaderboard { min-height: 90px; max-height: 250px; }
.ad-slot--results {
    min-height: 80px;
    background: rgba(30, 100, 180, 0.04);
    border: 1px dashed rgba(8,100,120,0.18);
    border-radius: 12px;
    overflow: hidden;
}
.ad-slot:empty, .ad-slot ins:empty,
.ad-slot--results:empty, .ad-slot--results ins:empty { display: none; }

/* ── Auth UI ─────────────────────────────────────────────── */
.auth-icon-btn {
    width: 36px; height: 36px; border-radius: 50%; padding: 0;
    display: grid; place-items: center;
    background: transparent; border: none; box-shadow: none;
    min-width: unset; cursor: pointer;
    color: var(--muted);
    transition: transform 0.2s ease;
    flex-shrink: 0; font-size: 1.1rem;
}
.auth-icon-btn:hover { transform: scale(1.12); }

.auth-sign-in-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 22px; background: #fff; color: #3c3c3c;
    border: 1.5px solid rgba(0,0,0,0.14); border-radius: 999px;
    font-size: 0.9rem; font-weight: 600; cursor: pointer;
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    min-width: unset; width: auto;
}
.auth-sign-in-btn:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.24); transform: translateY(-1px); }

.user-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 3px 8px 3px 3px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(8,100,120,0.28);
    border-radius: 999px;
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.user-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.user-name   { font-size: 0.82rem; font-weight: 600; color: var(--text); max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.auth-sign-out-btn {
    min-width: unset; width: 32px; height: 32px; padding: 0;
    font-size: 0.82rem; font-weight: 600;
    background: transparent; color: var(--muted);
    border: 1px solid rgba(8,100,120,0.24); border-radius: 50%;
    display: grid; place-items: center;
    transition: background 0.2s ease, color 0.2s ease;
}
.auth-sign-out-btn:hover { background: rgba(180, 40, 40, 0.10); color: var(--danger); border-color: rgba(180, 40, 40, 0.28); transform: none; box-shadow: none; }

.controls-drawer-trigger {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--surface); color: var(--accent);
    border: 1px solid rgba(8,100,120,0.35);
    box-shadow: 0 2px 10px rgba(4, 14, 28, 0.40);
    font-size: 1.1rem;
    display: grid; place-items: center;
    padding: 0; min-width: unset; flex-shrink: 0; cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.controls-drawer-trigger:hover    { background: var(--surface-strong); transform: scale(1.08); }
.controls-drawer-trigger.is-open  { background: var(--accent); color: #021428; }