/* Auth overlay — shown before WASM boot when a user needs to sign in. */

#auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 150;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0d1220;
    font-family: Georgia, serif;
    color: #d4a044;
    padding: 1rem;
    overflow-y: auto;
}

#auth-card {
    background: #131a2e;
    border: 1px solid #23304b;
    border-radius: 10px;
    padding: 2rem 2.25rem;
    max-width: 420px;
    width: 100%;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

#auth-card h1 {
    font-size: 2rem;
    margin: 0 0 0.5rem;
    letter-spacing: 0.5px;
}

#auth-hint {
    color: #9aa3b8;
    font-size: 0.95rem;
    margin: 0 0 1.25rem;
}

#qr-slot {
    background: #fff;
    padding: 0.5rem;
    border-radius: 6px;
    display: inline-block;
    margin: 0 auto 1.25rem;
    min-width: 180px;
    min-height: 180px;
}

#qr-slot svg {
    display: block;
    width: 240px;
    height: 240px;
}

#auth-divider {
    color: #5b6075;
    font-size: 0.85rem;
    margin: 0 0 1rem;
    letter-spacing: 1px;
}

#auth-same-device {
    display: block;
    width: 100%;
    padding: 0.8rem 1rem;
    background: #d4a044;
    color: #0d1220;
    border: none;
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.15s;
}

#auth-same-device:hover:not(:disabled) {
    background: #e6b656;
}

#auth-same-device:disabled {
    opacity: 0.6;
    cursor: wait;
}

#auth-error {
    display: none;
    color: #f08080;
    font-size: 0.9rem;
    margin-top: 1rem;
    word-break: break-word;
}

@media (max-width: 480px) {
    #auth-card {
        padding: 1.5rem 1.25rem;
    }
    #qr-slot svg {
        width: 200px;
        height: 200px;
    }
}

/* === WebGPU "can't run yet" gate (ported from the retired entrance) ===
 * Shown before boot by auth.js when the WebGPU probe fails. The card keeps the
 * retired entrance's look; the old entrance.css :root vars don't exist here, so
 * every value is the literal it resolved to in the entrance theme. A full-screen
 * backdrop wraps the centered card so it reads as native to the game page. */

#webgpu-gate {
    position: fixed;
    inset: 0;
    z-index: 220;        /* above #loading (100) and the #errors bar (200) */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow-y: auto;
    background: #0d1220;
}
#webgpu-gate[hidden] { display: none; }

.webgpu-block {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    background:
        linear-gradient(180deg, rgba(224,112,112,.10), transparent 65%),
        #131a2c;
    border: 1px solid #6a2c2c;
    border-radius: 12px;
    padding: 1.4rem 1.6rem;
    box-shadow: 0 18px 40px -16px rgba(0,0,0,.55);
    position: relative;
}
.webgpu-block::before {
    content: "⚠";
    position: absolute;
    top: 1.1rem;
    left: 1.1rem;
    font-size: 1.4rem;
    color: #e07070;
    line-height: 1;
}
.webgpu-block-title {
    color: #e8ecf6;
    font-size: 1.15rem;
    margin: 0 0 0.45rem 2.2rem;
    letter-spacing: .3px;
}
.webgpu-block-lede {
    color: #9aa3b8;
    margin: 0 0 0.9rem 2.2rem;
    font-size: 0.95rem;
    line-height: 1.5;
}
.webgpu-block-fix {
    margin: 0 0 0.9rem 2.2rem;
}
.webgpu-steps {
    margin: 0 0 0.6rem;
    padding-left: 1.2rem;
    color: #e8ecf6;
    font-size: 0.92rem;
    line-height: 1.6;
}
.webgpu-steps li { margin-bottom: 0.25rem; }
.webgpu-steps code {
    background: #0a0e1a;
    border: 1px solid #2a3654;
    color: #ffd486;
    padding: 0.05rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
    font-family: ui-monospace, Menlo, monospace;
}
.webgpu-fallback {
    color: #5b6075;
    font-size: 0.86rem;
    margin: 0.4rem 0 0;
    line-height: 1.5;
}
.webgpu-retest {
    display: inline-block;
    margin-left: 2.2rem;
    background: transparent;
    border: 1px solid #d4a044;
    color: #e7b85a;
    border-radius: 6px;
    padding: 0.45rem 1.1rem;
    font-family: inherit;
    font-size: 0.88rem;
    cursor: pointer;
    transition: background .15s ease, color .15s ease;
}
.webgpu-retest:hover:not(:disabled) {
    background: rgba(212,160,68,.12);
    color: #ffd486;
}
.webgpu-retest:disabled { opacity: .55; cursor: progress; }

@media (max-width: 580px) {
    .webgpu-block { padding: 1.1rem 1.1rem 1.1rem 1.1rem; }
    .webgpu-block::before { left: 0.9rem; top: 0.95rem; }
    .webgpu-block-title,
    .webgpu-block-lede,
    .webgpu-block-fix,
    .webgpu-retest { margin-left: 1.7rem; }
}