/* === Aurora TDM - Auth Styling === */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: var(--bg); /* Dunkler Hintergrund */
    position: relative;
    overflow: hidden;
}

/* Optional: Ein leichter blauer Glow im Hintergrund (wie im TDM Hero) */
.auth-container::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(90, 150, 255, 0.05) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
    pointer-events: none;
}

.auth-box {
    background: var(--card); /* Dunkle Karte */
    padding: 40px;
    border-radius: 12px;
    border: 1px solid var(--divider);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.auth-box h1 {
    color: var(--text-primary);
    margin-top: 0;
    border-bottom: none;
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    background: var(--surface); /* Eingabefeld Hintergrund */
    border: 1px solid var(--divider);
    color: var(--text-primary);
    border-radius: 6px;
    box-sizing: border-box;
    transition: all 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(90, 150, 255, 0.2);
}

.auth-btn {
    width: 100%;
    padding: 14px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s;
    margin-top: 10px;
}

.auth-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(90, 150, 255, 0.3);
}

.error-msg {
    color: var(--danger);
    background: rgba(225, 75, 75, 0.1);
    border: 1px solid rgba(225, 75, 75, 0.3);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.9rem;
}