/* Estimation Immo France PRO - Formulaire public */
:root {
    --ei-primary:   #2563eb;
    --ei-primary-d: #1d4ed8;
    --ei-success:   #16a34a;
    --ei-warning:   #d97706;
    --ei-danger:    #dc2626;
    --ei-gray-50:   #f9fafb;
    --ei-gray-100:  #f3f4f6;
    --ei-gray-200:  #e5e7eb;
    --ei-gray-700:  #374151;
    --ei-gray-900:  #111827;
    --ei-radius:    12px;
    --ei-shadow:    0 4px 24px rgba(0,0,0,.08);
}

.ei-estimation-wrapper {
    max-width: 800px;
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Progress bar */
.ei-progress-bar {
    display: flex;
    margin-bottom: 32px;
    position: relative;
}
.ei-progress-bar::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--ei-gray-200);
    z-index: 0;
}
.ei-step-indicator {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}
.ei-step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--ei-gray-200);
    color: var(--ei-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 8px;
    font-weight: 700;
    font-size: .9rem;
    transition: all .3s;
}
.ei-step-indicator.active .ei-step-circle { background: var(--ei-primary); color: white; }
.ei-step-indicator.completed .ei-step-circle { background: var(--ei-success); color: white; }
.ei-step-label { font-size: .75rem; color: var(--ei-gray-700); }

/* Cards */
.ei-card {
    background: white;
    border-radius: var(--ei-radius);
    padding: 32px;
    box-shadow: var(--ei-shadow);
    border: 1px solid var(--ei-gray-200);
}
.ei-card-header {
    margin-bottom: 24px;
}
.ei-card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ei-gray-900);
    margin: 0 0 8px;
}
.ei-card-subtitle {
    color: var(--ei-gray-700);
    font-size: .9rem;
    margin: 0;
}

/* Form */
.ei-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ei-form-group { display: flex; flex-direction: column; gap: 6px; }
.ei-form-group.full { grid-column: 1 / -1; }
.ei-label { font-size: .85rem; font-weight: 600; color: var(--ei-gray-700); }
.ei-label .required { color: var(--ei-danger); }
.ei-input, .ei-select, .ei-textarea {
    padding: 10px 14px;
    border: 1.5px solid var(--ei-gray-200);
    border-radius: 8px;
    font-size: .95rem;
    transition: border-color .2s, box-shadow .2s;
    outline: none;
    width: 100%;
    box-sizing: border-box;
}
.ei-input:focus, .ei-select:focus, .ei-textarea:focus {
    border-color: var(--ei-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.ei-input::placeholder { color: #9ca3af; }

/* Autocomplete */
.ei-autocomplete-list {
    position: absolute;
    background: white;
    border: 1px solid var(--ei-gray-200);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0,0,0,.12);
    z-index: 1000;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
}
.ei-autocomplete-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: .9rem;
    transition: background .15s;
}
.ei-autocomplete-item:hover { background: var(--ei-gray-50); }

/* Toggle buttons (type_bien) */
.ei-toggle-group { display: flex; gap: 8px; flex-wrap: wrap; }
.ei-toggle-btn {
    padding: 8px 18px;
    border: 1.5px solid var(--ei-gray-200);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    font-size: .9rem;
    transition: all .2s;
}
.ei-toggle-btn.active {
    border-color: var(--ei-primary);
    background: rgba(37,99,235,.05);
    color: var(--ei-primary);
    font-weight: 600;
}

/* Result card */
.ei-result-card {
    background: linear-gradient(135deg, var(--ei-primary), var(--ei-primary-d));
    color: white;
    border-radius: var(--ei-radius);
    padding: 32px;
    text-align: center;
    margin-bottom: 24px;
}
.ei-result-label { font-size: .9rem; opacity: .85; margin-bottom: 8px; }
.ei-result-price { font-size: 3rem; font-weight: 900; line-height: 1; }
.ei-result-range { font-size: 1rem; opacity: .8; margin-top: 8px; }
.ei-result-meta { display: flex; justify-content: center; gap: 24px; margin-top: 20px; font-size: .85rem; }
.ei-result-meta-item { display: flex; flex-direction: column; align-items: center; }
.ei-result-meta-value { font-size: 1.2rem; font-weight: 700; }
.ei-result-meta-label { opacity: .75; font-size: .75rem; }

/* Chart */
.ei-chart-container { background: var(--ei-gray-50); border-radius: 10px; padding: 16px; margin-bottom: 20px; }

/* Bouton principal */
.ei-btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all .2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.ei-btn-primary { background: var(--ei-primary); color: white; }
.ei-btn-primary:hover { background: var(--ei-primary-d); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,.3); }
.ei-btn-outline { background: white; color: var(--ei-primary); border: 1.5px solid var(--ei-primary); }
.ei-btn-full { width: 100%; justify-content: center; }

/* Loading */
.ei-loading { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 40px; color: var(--ei-gray-700); }
.ei-spinner { width: 32px; height: 32px; border: 3px solid var(--ei-gray-200); border-top-color: var(--ei-primary); border-radius: 50%; animation: ei-spin .8s linear infinite; }
@keyframes ei-spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 640px) {
    .ei-form-grid { grid-template-columns: 1fr; }
    .ei-result-price { font-size: 2rem; }
    .ei-result-meta { flex-direction: column; gap: 12px; }
    .ei-card { padding: 20px; }
}

/* Breadcrumb */
.ei-breadcrumb ol { list-style: none; display: flex; gap: 8px; margin: 0 0 20px; padding: 0; font-size: .85rem; }
.ei-breadcrumb li:not(:last-child)::after { content: '›'; margin-left: 8px; color: #9ca3af; }
.ei-breadcrumb a { color: var(--ei-primary); text-decoration: none; }