/**
 * ImmoFlow Frontend Styles - Sprint 5
 * 
 * @package ImmoFlow
 * @subpackage Frontend
 * @author BLANK FRONT GmbH
 * @copyright 2024 BLANK FRONT GmbH
 */

/* ====================================
   CSS Variables
   ==================================== */
:root {
    --immoflow-primary: #0ea5e9;
    --immoflow-primary-dark: #0284c7;
    --immoflow-primary-light: #38bdf8;
    --immoflow-secondary: #64748b;
    --immoflow-accent: #f59e0b;
    --immoflow-success: #22c55e;
    --immoflow-error: #ef4444;
    --immoflow-warning: #f59e0b;
    --immoflow-text: #1e293b;
    --immoflow-text-light: #64748b;
    --immoflow-border: #e2e8f0;
    --immoflow-bg: #ffffff;
    --immoflow-bg-alt: #f8fafc;
    --immoflow-bg-dark: #f1f5f9;
    --immoflow-radius: 12px;
    --immoflow-radius-sm: 8px;
    --immoflow-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --immoflow-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --immoflow-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --immoflow-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
}

/* ====================================
   Base Reset & Container
   ==================================== */
.immoflow-container {
    font-family: var(--immoflow-font-body, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif);
    line-height: 1.6;
    color: var(--immoflow-text);
}

.immoflow-container *,
.immoflow-container *::before,
.immoflow-container *::after {
    box-sizing: border-box;
}

/* ====================================
   Start Screen
   ==================================== */
.immoflow-start-screen {
    text-align: center;
    padding: 0;
    animation: immoflow-fadein 0.5s ease;
}

.immoflow-start-content {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: stretch;
    min-height: 100%;
}

.immoflow-start-field-wrapper {
    width: 100%;
}

.immoflow-start-field {
    width: 100%;
}

.immoflow-start-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--immoflow-primary) 0%, var(--immoflow-primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--immoflow-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--immoflow-shadow-md);
    min-width: 200px;
    align-self: center; /* Center button in vertical layout */
    font-family: var(--immoflow-font-button, inherit);
}

.immoflow-start-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--immoflow-shadow-lg);
}

.immoflow-start-button:active {
    transform: translateY(0);
    box-shadow: var(--immoflow-shadow);
}

/* ====================================
   Dialog Overlay
   ==================================== */
.immoflow-dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(4px);
    z-index: 99999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: immoflow-overlay-fadein 0.3s ease;
}

@keyframes immoflow-overlay-fadein {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ====================================
   Dialog Modal
   ==================================== */
.immoflow-dialog {
    background: var(--immoflow-bg);
    border-radius: var(--immoflow-radius);
    box-shadow: var(--immoflow-shadow-xl);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    animation: immoflow-dialog-slidein 0.3s ease;
    position: relative;
}

@keyframes immoflow-dialog-slidein {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ====================================
   Dialog Header
   ==================================== */
.immoflow-dialog-header {
    padding: 20px 24px 16px;
    border-bottom: 1px solid var(--immoflow-border);
    position: relative;
}

.immoflow-dialog-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    padding: 0;
    background: transparent;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--immoflow-text-light);
    cursor: pointer;
    border-radius: var(--immoflow-radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.immoflow-dialog-close:hover {
    background: var(--immoflow-bg-alt);
    color: var(--immoflow-text);
}

.immoflow-dialog-header-content {
    margin-bottom: 16px;
    padding-right: 40px; /* Space for close button */
}

.immoflow-dialog-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--immoflow-heading) !important;
    line-height: 1.3;
    font-family: var(--immoflow-font-heading, inherit);
}

.immoflow-dialog-description {
    font-size: 15px;
    color: var(--immoflow-text-light);
    margin: 0;
    line-height: 1.5;
}

/* Progress Bar */
.immoflow-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--immoflow-progress-bg, var(--immoflow-bg-dark));
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 12px;
}

.immoflow-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--immoflow-progress-fill-start, var(--immoflow-primary)) 0%, var(--immoflow-progress-fill-end, var(--immoflow-primary-light)) 100%);
    border-radius: 999px;
    transition: width 0.4s ease;
}

.immoflow-progress-text {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--immoflow-text-light);
}

/* ====================================
   Dialog Body
   ==================================== */
.immoflow-dialog-body {
    flex: 1;
    overflow-y: auto;
    padding: 32px 24px;
}

/* Custom Scrollbar */
.immoflow-dialog-body::-webkit-scrollbar {
    width: 8px;
}

.immoflow-dialog-body::-webkit-scrollbar-track {
    background: var(--immoflow-bg-alt);
}

.immoflow-dialog-body::-webkit-scrollbar-thumb {
    background: var(--immoflow-border);
    border-radius: 999px;
}

.immoflow-dialog-body::-webkit-scrollbar-thumb:hover {
    background: var(--immoflow-secondary);
}

/* ====================================
   Steps
   ==================================== */
.immoflow-step {
    animation: immoflow-step-fadein 0.3s ease;
}

@keyframes immoflow-step-fadein {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.immoflow-step-content {
    margin-bottom: 32px;
}

.immoflow-step-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--immoflow-heading, var(--immoflow-text));
    margin: 0 0 12px 0;
    line-height: 1.3;
    font-family: var(--immoflow-font-heading, inherit);
}

.immoflow-step-description {
    font-size: 16px;
    color: var(--immoflow-text-light);
    margin: 0 0 24px 0;
}

.immoflow-step-fields {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ====================================
   Form Fields
   ==================================== */
.immoflow-field {
    display: flex;
    flex-direction: column;
}

.immoflow-label {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--immoflow-text);
}

.immoflow-label-text {
    flex: 1;
}

.immoflow-required {
    color: var(--immoflow-error);
    margin-left: 2px;
}

/* ====================================
   Tile Select (Immobilien-Art)
   ==================================== */
.immoflow-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 8px;
}

.immoflow-tile-grid.immoflow-error {
    padding: 12px;
    border: 2px solid var(--immoflow-error);
    border-radius: var(--immoflow-radius);
    background: rgba(239, 68, 68, 0.05);
}

.immoflow-tile-option {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background: var(--immoflow-bg);
    border: var(--immoflow-input-border-width, 2px) solid var(--immoflow-border);
    border-radius: var(--immoflow-radius-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 140px;
}

.immoflow-tile-option:hover {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
    transform: translateY(-2px);
    box-shadow: var(--immoflow-shadow);
}

.immoflow-tile-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.immoflow-tile-option:has(.immoflow-tile-input:checked) {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.immoflow-tile-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    width: 100%;
}

.immoflow-tile-icon {
    width: 64px;
    height: 64px;
    color: var(--immoflow-primary);
    transition: all 0.3s ease;
}

.immoflow-tile-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.immoflow-tile-option:hover .immoflow-tile-icon {
    color: var(--immoflow-primary-dark);
    transform: scale(1.1);
}

.immoflow-tile-option:has(.immoflow-tile-input:checked) .immoflow-tile-icon {
    color: var(--immoflow-primary);
    transform: scale(1.15);
}

.immoflow-tile-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--immoflow-text);
    text-align: center;
    transition: color 0.3s ease;
}

.immoflow-tile-option:has(.immoflow-tile-input:checked) .immoflow-tile-label {
    color: var(--immoflow-primary);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .immoflow-tile-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .immoflow-tile-option {
        padding: 20px 12px;
        min-height: 120px;
    }
    
    .immoflow-tile-icon {
        width: 48px;
        height: 48px;
    }
    
    .immoflow-tile-label {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .immoflow-tile-grid {
        grid-template-columns: 1fr;
    }
}

/* ====================================
   Radio Cards (Selection Cards)
   ==================================== */
.immoflow-radio-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 8px;
}

.immoflow-radio-card {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--immoflow-bg);
    border: 2px solid var(--immoflow-border);
    border-radius: var(--immoflow-radius);
    cursor: pointer;
    transition: all 0.2s ease;
}

.immoflow-radio-card:hover {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.immoflow-radio-card-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.immoflow-radio-card-indicator {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--immoflow-border);
    border-radius: 50%;
    background: transparent;
    transition: all 0.2s ease;
    margin-top: 2px;
}

.immoflow-radio-card-input:checked ~ .immoflow-radio-card-indicator {
    border-color: var(--immoflow-primary);
    background: transparent;
    box-shadow: inset 0 0 0 4px var(--immoflow-primary);
}

.immoflow-radio-card-input:checked ~ .immoflow-radio-card-indicator::after {
    content: '';
    display: block;
    width: 12px;
    height: 12px;
    background: var(--immoflow-primary);
    border-radius: 50%;
    margin: 4px;
}

.immoflow-radio-card-input:checked ~ .immoflow-radio-card-content .immoflow-radio-card-title {
    color: var(--immoflow-primary);
    font-weight: 600;
}

.immoflow-radio-card:has(.immoflow-radio-card-input:checked) {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
    box-shadow: 0 0 0 1px var(--immoflow-primary), 0 2px 8px rgba(0, 0, 0, 0.1);
}

.immoflow-radio-card-content {
    flex: 1;
    min-width: 0;
}

.immoflow-radio-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--immoflow-text);
    margin: 0 0 4px 0;
    line-height: 1.4;
    transition: all 0.2s ease;
}

.immoflow-radio-card-description {
    font-size: 14px;
    color: var(--immoflow-text-light);
    line-height: 1.5;
    margin: 0;
}

/* Error state for radio cards */
.immoflow-radio-cards.immoflow-error {
    padding: 12px;
    border: 2px solid var(--immoflow-error);
    border-radius: var(--immoflow-radius);
    background: rgba(239, 68, 68, 0.05);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .immoflow-radio-card {
        padding: 16px;
        gap: 12px;
    }
    
    .immoflow-radio-card-title {
        font-size: 15px;
    }
    
    .immoflow-radio-card-description {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .immoflow-radio-card {
        padding: 14px;
    }
    
    .immoflow-radio-card-title {
        font-size: 14px;
    }
    
    .immoflow-radio-card-description {
        font-size: 12px;
    }
    
    .immoflow-radio-card-indicator {
        width: 20px;
        height: 20px;
    }
}

/* ====================================
   Bewertungs-Teaser (Locked Preview)
   ==================================== */
.immoflow-bewertung-teaser {
    background: linear-gradient(135deg, var(--immoflow-primary) 0%, var(--immoflow-primary-dark) 100%);
    border-radius: var(--immoflow-radius);
    padding: 32px;
    margin: 24px 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--immoflow-shadow-md);
}

.immoflow-teaser-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 24px;
}

.immoflow-teaser-lock {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    color: var(--immoflow-bg);
    font-size: 13px;
    font-weight: 600;
}

.immoflow-lock-icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

.immoflow-teaser-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--immoflow-bg);
    margin: 0 0 16px 0;
    line-height: 1.3;
    font-family: var(--immoflow-font-heading, inherit);
}

.immoflow-teaser-description {
    font-size: 16px;
    color: var(--immoflow-bg);
    opacity: 0.9;
    margin: 0 0 32px 0;
    line-height: 1.6;
}

.immoflow-teaser-price-range {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 24px;
    font-weight: 700;
    color: var(--immoflow-bg);
    padding: 20px 0;
}

.immoflow-teaser-currency {
    font-size: 18px;
    font-weight: 600;
    opacity: 0.8;
}

.immoflow-teaser-price {
    position: relative;
    min-width: 120px;
}

.immoflow-teaser-price.blurred {
    filter: blur(8px);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.immoflow-teaser-separator {
    opacity: 0.6;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .immoflow-bewertung-teaser {
        padding: 24px;
    }
    
    .immoflow-teaser-title {
        font-size: 24px;
    }
    
    .immoflow-teaser-description {
        font-size: 14px;
    }
    
    .immoflow-teaser-price-range {
        font-size: 20px;
        gap: 12px;
    }
    
    .immoflow-teaser-currency {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .immoflow-bewertung-teaser {
        padding: 20px;
    }
    
    .immoflow-teaser-title {
        font-size: 20px;
    }
    
    .immoflow-teaser-price-range {
        flex-wrap: wrap;
        font-size: 18px;
    }
}

/* ====================================
   Energieausweis-Teaser (Locked Preview)
   ==================================== */
.immoflow-energie-teaser {
    background: linear-gradient(135deg, var(--immoflow-primary) 0%, var(--immoflow-primary-dark) 100%);
    border-radius: var(--immoflow-radius);
    padding: 32px;
    margin: 24px 0;
    position: relative;
    overflow: hidden;
    box-shadow: var(--immoflow-shadow-md);
}

.immoflow-energie-scale {
    display: flex;
    flex-direction: row;
    gap: 4px;
    margin-top: 24px;
    align-items: stretch;
}

.immoflow-energie-scale.blurred {
    filter: blur(6px);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.immoflow-energie-bar {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    border-radius: 4px;
    font-weight: 600;
    color: white;
    transition: all 0.2s ease;
    flex: 1;
    text-align: center;
    gap: 4px;
}

.immoflow-energie-label {
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
}

.immoflow-energie-value {
    font-size: 11px;
    opacity: 0.9;
    line-height: 1.2;
    white-space: nowrap;
}

/* Energy Efficiency Colors (from green to red) */
.immoflow-energie-aplus {
    background: linear-gradient(90deg, #00a550 0%, #009e4a 100%);
}

.immoflow-energie-a {
    background: linear-gradient(90deg, #3fb548 0%, #37a940 100%);
}

.immoflow-energie-b {
    background: linear-gradient(90deg, #8dc63f 0%, #7fba38 100%);
}

.immoflow-energie-c {
    background: linear-gradient(90deg, #ffd700 0%, #f4c800 100%);
}

.immoflow-energie-d {
    background: linear-gradient(90deg, #ffb300 0%, #f4a500 100%);
}

.immoflow-energie-e {
    background: linear-gradient(90deg, #ff9800 0%, #f48c00 100%);
}

.immoflow-energie-f {
    background: linear-gradient(90deg, #ff5722 0%, #f44336 100%);
}

.immoflow-energie-g {
    background: linear-gradient(90deg, #d32f2f 0%, #c62828 100%);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .immoflow-energie-teaser {
        padding: 24px;
    }
    
    .immoflow-energie-scale {
        flex-direction: column;
        gap: 3px;
    }
    
    .immoflow-energie-bar {
        flex-direction: row;
        justify-content: space-between;
        padding: 6px 12px;
    }
    
    .immoflow-energie-label {
        font-size: 14px;
    }
    
    .immoflow-energie-value {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .immoflow-energie-teaser {
        padding: 20px;
    }
    
    .immoflow-energie-bar {
        padding: 5px 10px;
    }
    
    .immoflow-energie-label {
        font-size: 13px;
    }
    
    .immoflow-energie-value {
        font-size: 10px;
    }
}

/* Help Icon & Tooltip */
.immoflow-help-icon {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 8px;
    cursor: help;
    flex-shrink: 0;
}

.immoflow-help-icon svg {
    width: 100%;
    height: 100%;
    fill: #8c8f94;
    transition: fill 0.2s ease;
}

.immoflow-help-icon:hover svg {
    fill: var(--immoflow-primary);
}

/* Tooltip */
.immoflow-help-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    right: 0;
    background: #1e293b;
    color: #fff;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.4;
    white-space: normal;
    max-width: 250px;
    min-width: 200px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transform: translateY(4px);
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Tooltip Arrow */
.immoflow-help-icon::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    right: 8px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid #1e293b;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
    z-index: 1001;
}

/* Show tooltip on hover */
.immoflow-help-icon:hover::after,
.immoflow-help-icon:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.immoflow-input,
.immoflow-textarea,
.immoflow-select {
    width: 100%;
    padding: 12px 16px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--immoflow-text);
    background: var(--immoflow-bg);
    border: var(--immoflow-input-border-width, 2px) solid var(--immoflow-border);
    border-radius: var(--immoflow-radius-sm);
    transition: all 0.2s ease;
    font-family: inherit;
}

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

.immoflow-input:focus,
.immoflow-textarea:focus,
.immoflow-select:focus {
    outline: none;
    border-color: var(--immoflow-primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.immoflow-input.immoflow-error,
.immoflow-textarea.immoflow-error,
.immoflow-select.immoflow-error {
    border-color: var(--immoflow-error);
}

.immoflow-input.immoflow-error:focus,
.immoflow-textarea.immoflow-error:focus,
.immoflow-select.immoflow-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.immoflow-field-error {
    display: none;
    margin-top: 8px;
    padding: 10px 14px;
    background: #fef2f2;
    border-left: 3px solid var(--immoflow-error);
    border-radius: var(--immoflow-radius-sm);
    color: var(--immoflow-error);
    font-size: 14px;
    line-height: 1.5;
}

.immoflow-input::placeholder,
.immoflow-textarea::placeholder {
    color: var(--immoflow-text-light);
    opacity: 0.6;
}

/* Radio & Checkbox Groups */
.immoflow-radio-group,
.immoflow-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.immoflow-radio-label,
.immoflow-checkbox-label {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    border: var(--immoflow-input-border-width, 2px) solid var(--immoflow-border);
    border-radius: var(--immoflow-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    background: transparent;
}

.immoflow-radio-label:hover,
.immoflow-checkbox-label:hover {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
}

/* Hide native checkbox */
.immoflow-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

/* Custom checkbox indicator */
.immoflow-checkbox-indicator {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--immoflow-border);
    border-radius: 4px;
    background: transparent;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2px;
}

/* Checkbox checked state */
.immoflow-checkbox:checked + .immoflow-checkbox-indicator {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-primary);
}

/* Checkmark icon */
.immoflow-checkbox:checked + .immoflow-checkbox-indicator::after {
    content: '';
    width: 6px;
    height: 12px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
    margin-top: -2px;
}

/* Checkbox label content */
.immoflow-checkbox-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.immoflow-checkbox-text {
    font-size: 15px;
    line-height: 1.4;
    color: var(--immoflow-text-light);
}

/* Error state for checkbox group */
.immoflow-checkbox-group.immoflow-error .immoflow-checkbox-label {
    border-color: var(--immoflow-error);
    background: rgba(239, 68, 68, 0.05);
}

/* Radio buttons */
.immoflow-radio {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--immoflow-primary);
}

/* ====================================
   Tile Select (Immobilien Art)
   ==================================== */
.immoflow-tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-top: 8px;
}

.immoflow-tile-option {
    position: relative;
    cursor: pointer;
    border: var(--immoflow-input-border-width, 2px) solid var(--immoflow-border);
    border-radius: var(--immoflow-radius);
    background: var(--immoflow-bg);
    transition: all 0.3s ease;
    overflow: hidden;
}

.immoflow-tile-option:hover {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
    transform: translateY(-2px);
    box-shadow: var(--immoflow-shadow-md);
}

.immoflow-tile-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.immoflow-tile-input:checked + .immoflow-tile-content {
    border-color: var(--immoflow-primary);
}

.immoflow-tile-option:has(.immoflow-tile-input:checked) {
    border-color: var(--immoflow-primary);
    background: var(--immoflow-bg-alt);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.immoflow-tile-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    gap: 12px;
}

.immoflow-tile-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--immoflow-primary);
    transition: all 0.3s ease;
}

.immoflow-tile-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.immoflow-tile-option:hover .immoflow-tile-icon {
    color: var(--immoflow-primary-dark);
    transform: scale(1.1);
}

.immoflow-tile-option:has(.immoflow-tile-input:checked) .immoflow-tile-icon {
    color: var(--immoflow-primary);
    transform: scale(1.15);
}

.immoflow-tile-label {
    font-size: 15px;
    font-weight: 600;
    color: var(--immoflow-text);
    text-align: center;
    line-height: 1.3;
    transition: color 0.3s ease;
}

.immoflow-tile-option:hover .immoflow-tile-label {
    color: var(--immoflow-primary);
}

.immoflow-tile-option:has(.immoflow-tile-input:checked) .immoflow-tile-label {
    color: var(--immoflow-primary);
}

/* Responsive: 2 Spalten auf Tablet */
@media (max-width: 768px) {
    .immoflow-tile-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .immoflow-tile-content {
        padding: 20px 12px;
    }
    
    .immoflow-tile-icon {
        width: 50px;
        height: 50px;
    }
    
    .immoflow-tile-label {
        font-size: 14px;
    }
}

/* Responsive: 1 Spalte auf Mobile (optional, für sehr kleine Screens) */
@media (max-width: 480px) {
    .immoflow-tile-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ====================================
   Step Actions (Buttons)
   ==================================== */
.immoflow-step-actions {
    display: flex;
    gap: 12px;
    margin-top: 32px;
}

.immoflow-btn {
    flex: 1;
    padding: 14px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--immoflow-radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--immoflow-font-button, inherit);
}

.immoflow-btn-next,
.immoflow-btn-submit {
    background: linear-gradient(135deg, var(--immoflow-primary) 0%, var(--immoflow-primary-dark) 100%);
    color: white;
    box-shadow: var(--immoflow-shadow);
}

.immoflow-btn-next:hover,
.immoflow-btn-submit:hover {
    box-shadow: var(--immoflow-shadow-md);
    transform: translateY(-1px);
}

.immoflow-btn-next:active,
.immoflow-btn-submit:active {
    transform: translateY(0);
}

.immoflow-btn-back {
    background: var(--immoflow-bg-alt);
    color: var(--immoflow-text);
    border: var(--immoflow-button-border-width, 2px) solid var(--immoflow-border);
}

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

.immoflow-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* ====================================
   Loading Step
   ==================================== */
.immoflow-loading-step {
    text-align: center;
    padding: 40px 20px;
}

.immoflow-loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.immoflow-loading-spinner {
    width: 60px;
    height: 60px;
    border: 5px solid var(--immoflow-bg-dark);
    border-top-color: var(--immoflow-primary);
    border-radius: 50%;
    animation: immoflow-spin 0.8s linear infinite;
}

@keyframes immoflow-spin {
    to {
        transform: rotate(360deg);
    }
}

.immoflow-loading-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--immoflow-heading);
    margin: 0;
    font-family: var(--immoflow-font-heading, inherit);
}

.immoflow-loading-text {
    font-size: 16px;
    color: var(--immoflow-text-light);
    margin: 0;
}

/* ====================================
   Success Screen
   ==================================== */
.immoflow-success-screen {
    text-align: center;
    animation: immoflow-fadein 0.5s ease;
}

.immoflow-success-content {
    margin: 0 auto;
}

.immoflow-success-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--immoflow-success) 0%, #16a34a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: white;
    animation: immoflow-success-pop 0.5s ease;
}

@keyframes immoflow-success-pop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

.immoflow-success-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--immoflow-heading);
    margin: 0 0 12px 0;
    font-family: var(--immoflow-font-heading, inherit);
}

.immoflow-success-text {
    font-size: 18px;
    color: var(--immoflow-text-light);
    margin: 0;
}

/* ====================================
   Error Messages
   ==================================== */
.immoflow-error {
    padding: 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-left: 4px solid var(--immoflow-error);
    border-radius: var(--immoflow-radius-sm);
    color: #991b1b;
    font-size: 14px;
    margin: 20px 0;
}

/* ====================================
   General Animations
   ==================================== */
@keyframes immoflow-fadein {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ====================================
   Responsive Design
   ==================================== */
@media (max-width: 768px) {
    .immoflow-dialog {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
    }
    
    .immoflow-dialog-overlay {
        padding: 0;
    }
    
    .immoflow-dialog-header {
        padding: 16px 20px 12px;
    }
    
    .immoflow-dialog-title {
        font-size: 24px;
    }
    
    .immoflow-dialog-description {
        font-size: 14px;
    }
    
    .immoflow-dialog-body {
        padding: 24px 20px;
    }
    
    .immoflow-step-title {
        font-size: 24px;
    }
    
    .immoflow-step-actions {
        flex-direction: column-reverse;
    }
    
    .immoflow-btn {
        width: 100%;
    }
    
    .immoflow-start-screen {
        padding: 0;
    }
    
    .immoflow-start-button {
        width: 100%;
    }
    
    /* Help tooltip responsive */
    .immoflow-help-icon::after {
        right: auto;
        left: 50%;
        transform: translateX(-50%) translateY(4px);
        min-width: 180px;
        max-width: calc(100vw - 40px);
    }
    
    .immoflow-help-icon:hover::after {
        transform: translateX(-50%) translateY(0);
    }
    
    .immoflow-help-icon::before {
        right: auto;
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .immoflow-dialog-title {
        font-size: 20px;
    }
    
    .immoflow-dialog-description {
        font-size: 13px;
    }
    
    .immoflow-dialog-header-content {
        padding-right: 36px;
    }
    
    .immoflow-step-title {
        font-size: 20px;
    }
    
    .immoflow-step-description {
        font-size: 14px;
    }
    
    .immoflow-input,
    .immoflow-textarea,
    .immoflow-select {
        font-size: 16px; /* Prevents zoom on iOS */
    }
}

/* ====================================
   Address Field & Autocomplete
   ==================================== */
.immoflow-address-wrapper {
    position: relative;
}

.immoflow-address-input {
    width: 100%;
}

.immoflow-address-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--immoflow-bg);
    border: var(--immoflow-input-border-width, 2px) solid var(--immoflow-primary);
    border-top: none;
    border-radius: 0 0 var(--immoflow-radius-sm) var(--immoflow-radius-sm);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
    box-shadow: var(--immoflow-shadow-lg);
    margin-top: -2px;
}

.immoflow-address-result {
    padding: 12px 16px;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--immoflow-border);
}

.immoflow-address-result:last-child {
    border-bottom: none;
}

.immoflow-address-result:hover {
    background: var(--immoflow-bg-alt);
}

.immoflow-address-result-name {
    font-size: 14px;
    color: var(--immoflow-text);
    line-height: 1.4;
}

.immoflow-address-loading,
.immoflow-address-no-results,
.immoflow-address-error {
    padding: 12px 16px;
    font-size: 14px;
    text-align: center;
}

.immoflow-address-loading {
    color: var(--immoflow-text-light);
    font-style: italic;
}

.immoflow-address-no-results {
    color: var(--immoflow-text-light);
}

.immoflow-address-error {
    color: var(--immoflow-error);
}

/* Custom scrollbar for address results */
.immoflow-address-results::-webkit-scrollbar {
    width: 6px;
}

.immoflow-address-results::-webkit-scrollbar-track {
    background: var(--immoflow-bg-alt);
}

.immoflow-address-results::-webkit-scrollbar-thumb {
    background: var(--immoflow-border);
    border-radius: 999px;
}

.immoflow-address-results::-webkit-scrollbar-thumb:hover {
    background: var(--immoflow-secondary);
}

/* Address Validation Messages */
.immoflow-address-validation {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.4;
    display: none;
}

.immoflow-validation-error {
    color: var(--immoflow-error);
    display: flex;
    align-items: flex-start;
    gap: 4px;
    font-weight: 500;
}

.immoflow-validation-warning {
    color: var(--immoflow-warning);
    display: flex;
    align-items: flex-start;
    gap: 4px;
    font-weight: 500;
}

.immoflow-validation-success {
    color: var(--immoflow-success);
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
}

/* Warning state for input */
.immoflow-input.immoflow-warning {
    border-color: var(--immoflow-warning);
}

.immoflow-input.immoflow-warning:focus {
    box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1);
}

/* ====================================
   Language/Country Dropdown
   ==================================== */
.immoflow-language-wrapper {
    position: relative;
}

.immoflow-language-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 300px;
    overflow-y: auto;
    background: white;
    border: 1px solid var(--immoflow-border);
    border-radius: 8px;
    margin-top: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.immoflow-language-section {
    padding: 8px 0;
}

.immoflow-language-section-title {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--immoflow-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.immoflow-language-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.immoflow-language-option:hover {
    background-color: var(--immoflow-background);
}

.immoflow-country-flag {
    font-size: 11px;
    font-weight: 600;
    color: var(--immoflow-text-secondary);
    width: 32px;
    text-align: center;
    padding: 4px 6px;
    background: var(--immoflow-background);
    border-radius: 4px;
}

.immoflow-country-name {
    flex: 1;
    font-size: 14px;
    color: var(--immoflow-text);
}

.immoflow-language-divider {
    height: 1px;
    background: var(--immoflow-border);
    margin: 4px 0;
}

/* Scrollbar for language dropdown */
.immoflow-language-dropdown::-webkit-scrollbar {
    width: 8px;
}

.immoflow-language-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.immoflow-language-dropdown::-webkit-scrollbar-thumb {
    background: var(--immoflow-border);
    border-radius: 4px;
}

.immoflow-language-dropdown::-webkit-scrollbar-thumb:hover {
    background: var(--immoflow-secondary);
}

/* General field validation messages */
.immoflow-field-validation {
    margin-top: 8px;
    font-size: 13px;
    line-height: 1.4;
    display: none;
}

/* ====================================
   Notifications / Toasts
   ==================================== */
.immoflow-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 400px;
    min-width: 300px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 99999;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.immoflow-notification-visible {
    opacity: 1;
    transform: translateX(0);
}

.immoflow-notification-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
}

.immoflow-notification-message {
    flex: 1;
    font-size: 14px;
    line-height: 1.5;
    color: #1e293b;
}

.immoflow-notification-close {
    flex-shrink: 0;
    background: none;
    border: none;
    font-size: 20px;
    line-height: 1;
    color: #64748b;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.immoflow-notification-close:hover {
    background: #f1f5f9;
    color: #1e293b;
}

/* Error notification */
.immoflow-notification-error {
    border-left: 4px solid #dc2626;
}

.immoflow-notification-error .immoflow-notification-icon {
    background: #fee2e2;
    color: #dc2626;
}

.immoflow-notification-error .immoflow-notification-icon::before {
    content: '✕';
}

/* Success notification */
.immoflow-notification-success {
    border-left: 4px solid #16a34a;
}

.immoflow-notification-success .immoflow-notification-icon {
    background: #dcfce7;
    color: #16a34a;
}

.immoflow-notification-success .immoflow-notification-icon::before {
    content: '✓';
}

/* Warning notification */
.immoflow-notification-warning {
    border-left: 4px solid #f59e0b;
}

.immoflow-notification-warning .immoflow-notification-icon {
    background: #fef3c7;
    color: #f59e0b;
}

.immoflow-notification-warning .immoflow-notification-icon::before {
    content: '⚠';
}

/* Info notification */
.immoflow-notification-info {
    border-left: 4px solid var(--immoflow-primary);
}

.immoflow-notification-info .immoflow-notification-icon {
    background: var(--immoflow-primary-light);
    color: var(--immoflow-primary);
}

.immoflow-notification-info .immoflow-notification-icon::before {
    content: 'ℹ';
}

/* Mobile responsive */
@media (max-width: 768px) {
    .immoflow-notification {
        right: 10px;
        left: 10px;
        max-width: none;
        min-width: auto;
    }
}

/* ====================================
   Test Shortcode
   ==================================== */
.immoflow-test {
    animation: immoflow-fadein 0.5s ease;
}