/* Auth Page Styles (Login, Register) */
.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 2rem 1.5rem;
}

.auth-card {
    max-width: 420px;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    display: inline-block;
    animation: float 4s ease-in-out infinite;
}

.auth-header h1 {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.auth-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.error-alert {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--accent-red);
    border-radius: 0.75rem;
    padding: 0.85rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    animation: shake 0.5s ease;
}

.flash-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    color: var(--accent-green);
    border-radius: 0.75rem;
    padding: 0.85rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.auth-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent-cyan);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
}

.auth-footer a:hover {
    color: var(--accent-purple);
    text-shadow: 0 0 8px var(--accent-purple-glow);
}

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-6px);
    }
    75% {
        transform: translateX(6px);
    }
}

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.85rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-glass);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-smooth);
    box-sizing: border-box;
    cursor: pointer;
}

.btn-oauth:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-cyan);
    box-shadow: 0 0 12px var(--accent-cyan-glow);
    transform: translateY(-1px);
}