/* Immobili Stepper Roma - Styles */
@import url('https://fonts.googleapis.com/css2?family=Libre+Franklin:wght@300;400;500;600;700&display=swap');

:root {
    --isr-primary: #30318D;
    --isr-secondary: #C9A961;
    --isr-accent: #E8B962;
    --isr-success: #27AE60;
    --isr-text: #30318D;
    --isr-text-light: #7F8C8D;
    --isr-bg: #FFFFFF;
    --isr-bg-light: #F8F9FA;
    --isr-border: #E0E4E8;
    --isr-shadow: rgba(48, 49, 141, 0.1);
}

.isr-stepper-container {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 20px;
    font-family: 'Libre Franklin', sans-serif;
}

.isr-stepper-header {
    text-align: center;
    margin-bottom: 50px;
}

.isr-stepper-title {
    font-family: 'Libre Franklin', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--isr-primary);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}

.isr-stepper-subtitle {
    font-size: 1.1rem;
    color: var(--isr-text-light);
    font-weight: 300;
}

/* Progress Bar */
.isr-progress-wrapper {
    margin-bottom: 50px;
}

.isr-progress-bar {
    display: flex;
    justify-content: space-between;
    position: relative;
    margin-bottom: 15px;
}

.isr-progress-bar::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--isr-border);
    z-index: 1;
}

.isr-progress-bar::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--isr-secondary), var(--isr-accent));
    z-index: 2;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
}

.isr-progress-bar[data-progress="1"]::after { width: 0%; }
.isr-progress-bar[data-progress="2"]::after { width: 33.33%; }
.isr-progress-bar[data-progress="3"]::after { width: 66.66%; }
.isr-progress-bar[data-progress="4"]::after { width: 100%; }

.isr-progress-step {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.isr-step-circle {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--isr-bg);
    border: 3px solid var(--isr-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--isr-text-light);
    transition: all 0.3s ease;
    margin-bottom: 10px;
}

.isr-progress-step.active .isr-step-circle {
    background: linear-gradient(135deg, var(--isr-secondary), var(--isr-accent));
    border-color: var(--isr-accent);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 12px var(--isr-shadow);
}

.isr-progress-step.completed .isr-step-circle {
    background: var(--isr-success);
    border-color: var(--isr-success);
    color: white;
}

.isr-step-label {
    font-size: 0.85rem;
    color: var(--isr-text-light);
    font-weight: 400;
    text-align: center;
    max-width: 120px;
    transition: color 0.3s ease;
}

.isr-progress-step.active .isr-step-label {
    color: var(--isr-primary);
    font-weight: 600;
}

/* Form Container */
.isr-form-container {
    background: var(--isr-bg);
    border-radius: 16px;
    padding: 50px;
    box-shadow: 0 8px 30px var(--isr-shadow);
    border: 1px solid var(--isr-border);
}

.isr-step {
    display: none;
    animation: fadeIn 0.4s ease;
}

.isr-step.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.isr-step-title {
    font-family: 'Libre Franklin', sans-serif;
    font-size: 2rem;
    font-weight: 600;
    color: var(--isr-primary);
    margin-bottom: 10px;
}

.isr-step-description {
    color: var(--isr-text-light);
    margin-bottom: 35px;
    font-size: 1rem;
}

/* Form Fields */
.isr-form-group {
    margin-bottom: 25px;
}

.isr-form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 25px;
}

.isr-form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--isr-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.isr-form-label .required {
    color: #E74C3C;
    margin-left: 3px;
}

.isr-form-input,
.isr-form-select,
.isr-form-textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--isr-border);
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Libre Franklin', sans-serif;
    color: var(--isr-text);
    transition: all 0.3s ease;
    background: var(--isr-bg);
}

.isr-form-input:focus,
.isr-form-select:focus,
.isr-form-textarea:focus {
    outline: none;
    border-color: var(--isr-accent);
    box-shadow: 0 0 0 4px rgba(201, 169, 97, 0.1);
}

.isr-form-textarea {
    resize: vertical;
    min-height: 100px;
}

/* Radio Button Groups */
.isr-radio-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.isr-radio-option {
    position: relative;
}

.isr-radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.isr-radio-label {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px 20px;
    border: 2px solid var(--isr-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: var(--isr-bg);
    font-weight: 500;
    color: var(--isr-text);
    text-align: center;
}

.isr-radio-option input[type="radio"]:checked + .isr-radio-label {
    border-color: var(--isr-accent);
    background: linear-gradient(135deg, rgba(201, 169, 97, 0.1), rgba(232, 185, 98, 0.1));
    color: var(--isr-primary);
    font-weight: 600;
}

.isr-radio-label:hover {
    border-color: var(--isr-secondary);
}

/* Privacy Checkbox */
.isr-privacy-wrapper {
    margin: 30px 0;
}

.isr-checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.isr-checkbox-container input[type="checkbox"] {
    margin-top: 4px;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.isr-privacy-text {
    font-size: 0.9rem;
    color: var(--isr-text);
    line-height: 1.6;
}

.isr-privacy-text a {
    color: var(--isr-secondary);
    text-decoration: underline;
}

/* Buttons */
.isr-button-group {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-top: 40px;
}

.isr-btn {
    padding: 16px 40px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Libre Franklin', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.isr-btn-primary {
    background: linear-gradient(135deg, var(--isr-secondary), var(--isr-accent));
    color: white;
    flex: 1;
}

.isr-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(201, 169, 97, 0.3);
}

.isr-btn-secondary {
    background: var(--isr-bg-light);
    color: var(--isr-primary);
    border: 2px solid var(--isr-border);
}

.isr-btn-secondary:hover {
    background: var(--isr-bg);
    border-color: var(--isr-secondary);
}

.isr-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Success Message */
.isr-success-message {
    display: none;
    text-align: center;
    padding: 60px 40px;
}

.isr-success-message.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.isr-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--isr-success), #2ECC71);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.isr-success-title {
    font-family: 'Libre Franklin', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--isr-primary);
    margin-bottom: 15px;
}

.isr-success-text {
    font-size: 1.1rem;
    color: var(--isr-text-light);
    line-height: 1.6;
}

/* Error Messages */
.isr-error {
    color: #E74C3C;
    font-size: 0.85rem;
    margin-top: 5px;
    display: none;
}

.isr-form-input.error,
.isr-form-select.error,
.isr-form-textarea.error {
    border-color: #E74C3C;
}

.isr-form-input.error + .isr-error,
.isr-form-select.error + .isr-error,
.isr-form-textarea.error + .isr-error {
    display: block;
}

/* Loading Spinner */
.isr-loading {
    display: none;
    text-align: center;
    padding: 40px;
}

.isr-spinner {
    border: 4px solid var(--isr-border);
    border-top: 4px solid var(--isr-accent);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .isr-stepper-title {
        font-size: 2.2rem;
    }
    
    .isr-form-container {
        padding: 30px 25px;
    }
    
    .isr-form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .isr-step-label {
        font-size: 0.75rem;
        max-width: 80px;
    }
    
    .isr-step-circle {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }
    
    .isr-button-group {
        flex-direction: column-reverse;
    }
    
    .isr-btn {
        width: 100%;
        justify-content: center;
    }
    
    .isr-radio-group {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .isr-stepper-container {
        padding: 0 15px;
    }
    
    .isr-stepper-title {
        font-size: 1.8rem;
    }
    
    .isr-step-title {
        font-size: 1.6rem;
    }
    
    .isr-form-container {
        padding: 25px 20px;
    }
}