* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #1a1a2e;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    background: #16213e;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 420px;
    border: 1px solid #0f3460;
}

.auth-container h2 {
    color: #fff;
    text-align: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.auth-container h2 span {
    color: #582630;
}

.form-group {
    margin-bottom: 1.4rem;
    position: relative;
}

.form-group label {
    display: block;
    color: #a0a0a0;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-group input {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid #0f3460;
    border-radius: 8px;
    background: #1a1a2e;
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus {
    border-color: #582630;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    background: #582630;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 0.5rem;
}

.btn-submit:hover {
    background: #6e2f3a;
    transform: translateY(-1px);
}

.auth-link {
    text-align: center;
    margin-top: 1.5rem;
    color: #a0a0a0;
    font-size: 0.9rem;
}

.auth-link a {
    color: #e94560;
    text-decoration: none;
}

.auth-link a:hover {
    text-decoration: underline;
}

.alert {
    padding: 0.8rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.2rem;
    font-size: 0.9rem;
}

.alert-error {
    background: #3a1015;
    color: #ff6b6b;
    border: 1px solid #582630;
}

.alert-success {
    background: #103a15;
    color: #6bff6b;
    border: 1px solid #25582a;
}

.register-closed {
    text-align: center;
    color: #a0a0a0;
    padding: 2rem;
    background: #1a1a2e;
    border-radius: 8px;
    border: 1px solid #582630;
}

.register-closed h3 {
    color: #e94560;
    margin-bottom: 0.5rem;
}