/* Authentication Module Styles */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo-container {
    margin-bottom: 20px;
}

.logo-icon {
    font-size: 24px;
    font-weight: bold;
    color: #667eea;
    margin-bottom: 10px;
    text-align: center;
}

.login-title {
    font-size: 28px;
    font-weight: 700;
    color: #2d3748;
    margin: 0 0 8px 0;
}

.login-subtitle {
    color: #718096;
    font-size: 16px;
    margin: 0;
}

.loading-container {
    text-align: center;
    padding: 40px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 16px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.error-message {
    background: #fed7d7;
    border: 1px solid #feb2b2;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: #c53030;
}

.error-icon {
    font-size: 20px;
    font-weight: bold;
    color: #c53030;
}

.login-form {
    margin-bottom: 24px;
}

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

.form-label {
    display: block;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 8px;
    font-size: 14px;
}

.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: #a0aec0;
    font-size: 14px;
    font-weight: bold;
    z-index: 1;
}

.form-input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #f7fafc;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input.error {
    border-color: #e53e3e;
    background: #fff5f5;
}

.form-input:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.error-text {
    color: #e53e3e;
    font-size: 12px;
    margin-top: 4px;
    display: block;
}

.login-button {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
}

.login-button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.login-button:active:not(:disabled) {
    transform: translateY(0);
}

.login-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.login-button.loading {
    background: #a0aec0;
}

.button-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.login-footer {
    text-align: center;
    color: #718096;
    font-size: 14px;
}

.link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
}

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

@media (max-width: 480px) {
    .login-card {
        padding: 24px;
        margin: 10px;
    }

    .login-title {
        font-size: 24px;
    }

    .form-input {
        padding: 14px 14px 14px 44px;
    }
}