.auth-page {
    min-height: 100vh;
    min-height: 100dvh;
    background:
        radial-gradient(900px 340px at 8% -4%, rgba(31, 111, 95, 0.24), transparent 62%),
        radial-gradient(760px 300px at 100% 0%, rgba(179, 139, 89, 0.2), transparent 58%),
        var(--background);
    color: var(--text);
}

.auth-viewport {
    width: min(520px, 100%);
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0 auto;
    padding: calc(24px + env(safe-area-inset-top, 0px)) calc(20px + env(safe-area-inset-right, 0px)) calc(24px + env(safe-area-inset-bottom, 0px)) calc(20px + env(safe-area-inset-left, 0px));
    display: grid;
    align-items: center;
    justify-items: center;
}

.auth-card {
    width: min(460px, 100%);
    margin: 0 auto;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: linear-gradient(180deg, rgba(37, 51, 59, 0.95) 0%, rgba(27, 38, 45, 0.98) 100%);
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.34);
}

.auth-logo {
    display: block;
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    border-radius: 12px;
    object-fit: contain;
}

.auth-title {
    margin: 0;
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.auth-tagline {
    margin: 8px 0 22px;
    text-align: center;
    font-size: 0.95rem;
}

.auth-config-notice {
    padding: 12px;
    margin-bottom: 16px;
    border-radius: var(--radius-sm);
    background: var(--primary-soft);
    border: 1px solid var(--primary);
    color: #0f2d28;
    line-height: 1.5;
    font-size: 0.9rem;
}

.auth-config-notice code {
    background: rgba(255, 255, 255, 0.85);
    border-radius: 4px;
    padding: 2px 6px;
}

.form-row {
    margin-bottom: 12px;
}

.form-row label {
    margin-bottom: 6px;
    font-size: 0.82rem;
    font-weight: 600;
}

.auth-page .input {
    min-height: 46px;
    border-radius: 10px;
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text);
    background: #2a3942;
}

.auth-page .input::placeholder {
    color: rgba(233, 237, 239, 0.52);
}

.auth-page .input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(31, 111, 95, 0.22);
}

.auth-actions {
    display: grid;
    gap: 10px;
    margin-top: 18px;
}

.auth-actions .btn {
    min-height: 46px;
}

.auth-page .btn-primary {
    background: #00a884;
    border-color: #00a884;
}

.auth-page .btn-primary:hover:not(:disabled) {
    background: #009173;
    border-color: #009173;
}

.auth-page .btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.16);
}

.auth-page .btn:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.auth-spinner {
    width: 28px;
    height: 28px;
    margin: 6px auto 0;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: auth-spin 0.8s linear infinite;
}

@keyframes auth-spin {
    to {
        transform: rotate(360deg);
    }
}

.auth-switch {
    margin-top: 14px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.auth-status {
    margin-top: 8px;
    min-height: 1.25rem;
    text-align: center;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.auth-status.is-error {
    color: #ffb4b4;
}

.auth-status.is-success {
    color: #9fd7ca;
}

@media (max-width: 600px) {
    .auth-viewport {
        padding-top: calc(20px + env(safe-area-inset-top, 0px));
    }

    .auth-card {
        width: 100%;
        padding: 22px 16px;
        border-radius: 12px;
    }

    .auth-title {
        font-size: 1.55rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-spinner {
        animation: none;
    }
}