/**
 * Lead Scoring Form - Frontend Styles
 * Modern and Professional Design
 */

.lsf-form-container {
    --lsf-primary: #2563eb;
    --lsf-secondary: #1e40af;
    --lsf-bg: #ffffff;
    --lsf-text: #1f2937;
    
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--lsf-text);
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
    padding: 40px 20px;
    border-radius: 12px;
    margin: 20px 0;
}

.lsf-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: var(--lsf-bg);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.lsf-form-header {
    background: linear-gradient(135deg, var(--lsf-primary) 0%, var(--lsf-secondary) 100%);
    color: #ffffff;
    padding: 40px;
    text-align: center;
}

.lsf-form-header h2 {
    margin: 0 0 15px 0;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.3;
    color: #ffffff;
}

.lsf-subtitle {
    font-size: 16px;
    opacity: 0.95;
    margin: 0;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.lsf-form {
    padding: 40px;
}

.lsf-form-row {
    margin-bottom: 25px;
}

.lsf-form-group {
    display: flex;
    flex-direction: column;
}

.lsf-form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--lsf-text);
    margin-bottom: 8px;
    display: block;
}

.lsf-required {
    color: #ef4444;
    font-weight: 700;
}

.lsf-form-group input[type="text"],
.lsf-form-group input[type="email"],
.lsf-form-group select {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    background: #ffffff;
    color: var(--lsf-text);
    transition: all 0.3s ease;
    box-sizing: border-box;
    font-family: inherit;
}

.lsf-form-group input:focus,
.lsf-form-group select:focus {
    outline: none;
    border-color: var(--lsf-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.lsf-form-group input::placeholder {
    color: #9ca3af;
}

.lsf-form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.lsf-submit-row {
    margin-top: 35px;
}

.lsf-submit-button {
    width: 100%;
    padding: 18px 32px;
    font-size: 16px;
    font-weight: 700;
    color: var(--lsf-button-text);
    background: var(--lsf-button);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: inherit;
}

.lsf-submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    filter: brightness(1.1);
}

.lsf-submit-button:active {
    transform: translateY(0);
}

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

.lsf-message {
    margin-top: 20px;
    padding: 20px 24px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.lsf-message-icon {
    font-size: 20px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}

.lsf-message.success {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    color: #065f46;
    border: 2px solid #10b981;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.lsf-message.error {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    color: #991b1b;
    border: 2px solid #ef4444;
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .lsf-form-container {
        padding: 20px 15px;
    }
    
    .lsf-form-header {
        padding: 30px 20px;
    }
    
    .lsf-form-header h2 {
        font-size: 22px;
    }
    
    .lsf-subtitle {
        font-size: 14px;
    }
    
    .lsf-form {
        padding: 25px 20px;
    }
    
    .lsf-submit-button {
        font-size: 14px;
        padding: 16px 24px;
    }
}

/* Animation for form elements */
@keyframes lsfFadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.lsf-form-row {
    animation: lsfFadeIn 0.4s ease forwards;
}

.lsf-form-row:nth-child(1) { animation-delay: 0.05s; }
.lsf-form-row:nth-child(2) { animation-delay: 0.1s; }
.lsf-form-row:nth-child(3) { animation-delay: 0.15s; }
.lsf-form-row:nth-child(4) { animation-delay: 0.2s; }
.lsf-form-row:nth-child(5) { animation-delay: 0.25s; }
.lsf-form-row:nth-child(6) { animation-delay: 0.3s; }

/* Loading state */
.lsf-btn-loading {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.lsf-btn-loading::before {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: lsfSpin 0.8s linear infinite;
}

@keyframes lsfSpin {
    to { transform: rotate(360deg); }
}

/* Focus visible for accessibility */
.lsf-form-group input:focus-visible,
.lsf-form-group select:focus-visible,
.lsf-submit-button:focus-visible {
    outline: 3px solid var(--lsf-primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .lsf-form-container {
        background: #ffffff;
        box-shadow: none;
    }
    
    .lsf-submit-button {
        display: none;
    }
}