.game-auth-backdrop {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(4, 7, 12, 0.78);
    font-family: "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}

.game-auth-backdrop.is-visible {
    display: flex;
}

.game-auth-dialog,
.game-auth-dialog * {
    box-sizing: border-box;
}

.game-auth-dialog {
    width: 400px;
    max-width: calc(100vw - 24px);
    overflow: hidden;
    color: #f7f7f8;
    background: #17191f;
    border: 1px solid #3d414c;
    border-radius: 8px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.55);
}

.game-auth-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid #30333b;
}

.game-auth-header h2 {
    margin: 0;
    color: #ffca3a;
    font-size: 20px;
    letter-spacing: 0;
}

.game-auth-close {
    width: 34px;
    height: 34px;
    padding: 0;
    color: #d8d9dc;
    background: transparent;
    border: 0;
    border-radius: 4px;
    cursor: pointer;
    font-size: 20px;
}

.game-auth-close:hover {
    background: #292c34;
}

.game-auth-tabs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid #30333b;
}

.game-auth-tabs[hidden] {
    display: none;
}

.game-auth-tab {
    min-height: 44px;
    padding: 8px;
    color: #8f939d;
    background: transparent;
    border: 0;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 13px;
    font-weight: 700;
}

.game-auth-tab:hover,
.game-auth-tab.is-active {
    color: #ffca3a;
    background: #1d2027;
    border-bottom-color: #ffca3a;
}

.game-auth-panel {
    display: none;
    padding: 20px;
}

.game-auth-panel.is-active {
    display: block;
}

.game-auth-panel-title {
    margin: 0 0 6px;
    color: #f7f7f8;
    font-size: 18px;
    letter-spacing: 0;
}

.game-auth-panel-description {
    margin: 0 0 18px;
    color: #8f939d;
    font-size: 13px;
    line-height: 1.5;
}

.game-auth-field-hint {
    margin: -4px 0 14px;
    color: #8f939d;
    font-size: 12px;
    line-height: 1.5;
}

.game-auth-panel label {
    display: grid;
    gap: 7px;
    margin-bottom: 14px;
    color: #b8bbc2;
    font-size: 13px;
    font-weight: 700;
}

.game-auth-panel small {
    color: #777c87;
    font-weight: 400;
}

.game-auth-panel input {
    width: 100%;
    min-height: 42px;
    padding: 9px 11px;
    color: #fff;
    background: #0f1116;
    border: 1px solid #393d47;
    border-radius: 6px;
    outline: 0;
    font: inherit;
}

.game-auth-panel input:focus {
    border-color: #ffca3a;
    box-shadow: 0 0 0 3px rgba(255, 202, 58, 0.12);
}

.game-auth-primary,
.game-auth-google {
    width: 100%;
    min-height: 44px;
    padding: 10px 14px;
    border: 0;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 800;
}

.game-auth-primary {
    color: #17191f;
    background: #ffca3a;
}

.game-auth-primary:hover {
    background: #ffd65f;
}

.game-auth-google {
    color: #25272d;
    background: #f5f5f5;
    border: 1px solid #d7d7d7;
}

.game-auth-panel button:disabled,
.game-auth-panel input:disabled {
    opacity: 0.55;
    cursor: wait;
}

.game-auth-divider {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 14px 0;
    color: #777c87;
    font-size: 12px;
}

.game-auth-divider::before,
.game-auth-divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: #30333b;
}

.game-auth-message {
    min-height: 18px;
    margin: 12px 0 0;
    color: #ff7474;
    font-size: 12px;
    line-height: 1.5;
}

.game-auth-message.is-success {
    color: #69db7c;
}

@media (max-width: 440px) {
    .game-auth-backdrop {
        padding: 12px;
    }

    .game-auth-tab {
        font-size: 12px;
    }
}
/* Shared account controls stay usable over game canvases. */
.game-account-bar { position:fixed; top:8px; right:8px; z-index:10000; display:flex; align-items:center; gap:8px; padding:6px 10px; border-radius:8px; background:#101827ed; color:#fff; font:13px sans-serif; }
.game-account-bar button { padding:7px 10px; border:0; border-radius:6px; cursor:pointer; background:#f5ad35; color:#171717; }
.game-account-bar [hidden] { display:none; }
.game-account-bar span { max-width:120px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }