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

body {
    font-family: 'Inter', sans-serif;
    background-color: #0d0d0d;
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    padding: 20px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo img {
    max-width: 220px;
    height: auto;
}

.auth-card {
    background-color: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 12px;
    padding: 32px;
}

.auth-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: #999;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    background-color: #111;
    border: 1px solid #333;
    border-radius: 8px;
    color: #e0e0e0;
    font-size: 0.95rem;
    font-family: 'Inter', sans-serif;
    transition: border-color 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: #c0392b;
    box-shadow: 0 0 0 2px rgba(192, 57, 43, 0.2);
}

.form-group input[readonly] {
    background-color: #0d0d0d;
    color: #666;
    cursor: not-allowed;
    border-color: #222;
}

.form-group input::placeholder {
    color: #555;
}

.invalid-feedback {
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: 6px;
    display: block;
}

.btn-submit {
    width: 100%;
    padding: 12px;
    background-color: #c0392b;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 8px;
}

.btn-submit:hover {
    background-color: #e74c3c;
}

.btn-submit:active {
    background-color: #a93226;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 0.85rem;
    color: #666;
}

.auth-footer a {
    color: #c0392b;
    text-decoration: none;
}

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

.alert-success {
    background-color: rgba(39, 174, 96, 0.15);
    border: 1px solid rgba(39, 174, 96, 0.3);
    color: #27ae60;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 0.9rem;
}

.alert-danger {
    background-color: rgba(231, 76, 60, 0.15);
    border: 1px solid rgba(231, 76, 60, 0.3);
    color: #e74c3c;
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    font-size: 0.9rem;
}