/* SPI Document Converter — Login Page */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #f0f2f5;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #003366 0%, #004080 40%, #0066CC 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.login-header {
    text-align: center;
    padding: 40px 32px 24px;
    background: #fff;
}

.login-logo {
    width: 200px;
    height: auto;
    margin-bottom: 16px;
}

.login-header h1 {
    font-size: 22px;
    font-weight: 600;
    color: #003366;
    margin-bottom: 4px;
}

.login-subtitle {
    font-size: 14px;
    color: #666;
}

.login-form {
    padding: 0 32px 32px;
}

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

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #333;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    color: #333;
    background: #fafafa;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: #0066CC;
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
    background: #fff;
}

.password-wrapper {
    position: relative;
}

.password-wrapper input {
    padding-right: 44px;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #999;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-password:hover {
    color: #666;
}

.error-message {
    display: none;
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #c53030;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 16px;
}

.btn-login {
    width: 100%;
    padding: 13px 20px;
    background: #003366;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-login:hover {
    background: #004080;
}

.btn-login:active {
    transform: scale(0.98);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-spinner {
    display: inline-flex;
    align-items: center;
}

.login-footer {
    text-align: center;
    padding: 16px 32px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.login-footer p {
    font-size: 12px;
    color: #999;
}

/* Responsive */
@media (max-width: 480px) {
    .login-container {
        padding: 12px;
    }
    .login-header {
        padding: 28px 20px 20px;
    }
    .login-form {
        padding: 0 20px 24px;
    }
    .login-logo {
        width: 160px;
    }
}