/**
 * Property Forge Frontend Styles
 * Modern, clean design inspired by Material UI and Tailwind
 */

/* CSS Variables */
:root {
    --pf-primary: #2563eb;
    --pf-primary-dark: #1d4ed8;
    --pf-primary-light: #3b82f6;
    --pf-secondary: #64748b;
    --pf-secondary-light: #94a3b8;
    --pf-accent: #f59e0b;
    --pf-success: #10b981;
    --pf-error: #ef4444;
    --pf-warning: #f59e0b;
    --pf-gray-50: #f8fafc;
    --pf-gray-100: #f1f5f9;
    --pf-gray-200: #e2e8f0;
    --pf-gray-300: #cbd5e1;
    --pf-gray-400: #94a3b8;
    --pf-gray-500: #64748b;
    --pf-gray-600: #475569;
    --pf-gray-700: #334155;
    --pf-gray-800: #1e293b;
    --pf-gray-900: #0f172a;
    --pf-border-radius: 0.5rem;
    --pf-border-radius-lg: 0.75rem;
    --pf-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --pf-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --pf-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --pf-transition: all 0.2s ease;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--pf-gray-700);
    margin: 0;
    padding: 0;
}

/* Container */
.pf-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .pf-container {
        padding: 0 2rem;
    }
}

/* Buttons */
.pf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1;
    border: none;
    border-radius: var(--pf-border-radius);
    cursor: pointer;
    text-decoration: none;
    transition: var(--pf-transition);
    white-space: nowrap;
}

.pf-btn:focus {
    outline: 2px solid var(--pf-primary);
    outline-offset: 2px;
}

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

/* Primary Button */
.pf-btn-primary {
    background: var(--pf-primary);
    color: white;
}

.pf-btn-primary:hover:not(:disabled) {
    background: var(--pf-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--pf-shadow);
}

/* Secondary Button */
.pf-btn-secondary {
    background: var(--pf-gray-100);
    color: var(--pf-gray-700);
    border: 1px solid var(--pf-gray-300);
}

.pf-btn-secondary:hover:not(:disabled) {
    background: var(--pf-gray-200);
    border-color: var(--pf-gray-400);
}

/* Outline Button */
.pf-btn-outline {
    background: transparent;
    color: var(--pf-primary);
    border: 2px solid var(--pf-primary);
}

.pf-btn-outline:hover:not(:disabled) {
    background: var(--pf-primary);
    color: white;
}

/* Ghost Button */
.pf-btn-ghost {
    background: transparent;
    color: var(--pf-primary);
    border: none;
}

.pf-btn-ghost:hover:not(:disabled) {
    background: var(--pf-gray-100);
}

/* Button Sizes */
.pf-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.pf-btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.pf-btn-xl {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

/* Form Elements */
.pf-form-group {
    margin-bottom: 1.5rem;
}

.pf-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--pf-gray-700);
}

.pf-input,
.pf-select,
.pf-textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--pf-gray-300);
    border-radius: var(--pf-border-radius);
    font-size: 1rem;
    transition: var(--pf-transition);
    background: white;
}

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

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

.pf-textarea {
    resize: vertical;
    min-height: 120px;
}

/* Search Form */
.pf-search-form {
    background: white;
    padding: 2rem;
    border-radius: var(--pf-border-radius-lg);
    box-shadow: var(--pf-shadow-lg);
}

.pf-search-grid {
    display: grid;
    gap: 1rem;
}

@media (min-width: 768px) {
    .pf-search-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Property Cards */
.pf-property-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
}

.pf-property-card {
    background: white;
    border-radius: var(--pf-border-radius-lg);
    overflow: hidden;
    box-shadow: var(--pf-shadow);
    transition: var(--pf-transition);
    position: relative;
}

.pf-property-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--pf-shadow-lg);
}

.pf-property-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.pf-property-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--pf-transition);
}

.pf-property-card:hover .pf-property-image img {
    transform: scale(1.05);
}

.pf-property-badges {
    position: absolute;
    top: 1rem;
    left: 1rem;
    right: 1rem;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
}

.pf-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.pf-badge-featured {
    background: var(--pf-accent);
    color: white;
}

.pf-badge-status {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    backdrop-filter: blur(4px);
}

.pf-property-content {
    padding: 1.5rem;
}

.pf-property-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--pf-gray-900);
    margin-bottom: 0.5rem;
}

.pf-property-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pf-gray-800);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.pf-property-address {
    color: var(--pf-gray-500);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.pf-property-specs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.pf-spec {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--pf-gray-600);
}

.pf-spec-icon {
    width: 16px;
    height: 16px;
    opacity: 0.7;
}

.pf-property-description {
    color: var(--pf-gray-600);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

.pf-property-actions {
    display: flex;
    gap: 0.75rem;
}

.pf-property-actions .pf-btn {
    flex: 1;
}

/* Property List View */
.pf-property-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pf-property-list-item {
    background: white;
    border-radius: var(--pf-border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--pf-shadow);
    display: flex;
    gap: 1.5rem;
    transition: var(--pf-transition);
}

.pf-property-list-item:hover {
    box-shadow: var(--pf-shadow-lg);
}

@media (max-width: 768px) {
    .pf-property-list-item {
        flex-direction: column;
    }
}

.pf-property-list-image {
    width: 200px;
    height: 150px;
    border-radius: var(--pf-border-radius);
    overflow: hidden;
    flex-shrink: 0;
}

.pf-property-list-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pf-property-list-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.pf-property-list-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.pf-property-list-specs {
    display: flex;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

/* Hero Section */
.pf-hero {
    background: linear-gradient(135deg, var(--pf-primary) 0%, var(--pf-primary-dark) 100%);
    color: white;
    padding: 6rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pf-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.pf-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.pf-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

@media (max-width: 768px) {
    .pf-hero h1 {
        font-size: 2rem;
    }
}

.pf-hero p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Section Headers */
.pf-section {
    padding: 4rem 1rem;
}

.pf-section-light {
    background: var(--pf-gray-50);
}

.pf-section-white {
    background: white;
}

.pf-section-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.pf-section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--pf-gray-900);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.pf-section-subtitle {
    font-size: 1.125rem;
    color: var(--pf-gray-600);
    line-height: 1.6;
}

/* Testimonials */
.pf-testimonials {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.pf-testimonial {
    background: white;
    padding: 2rem;
    border-radius: var(--pf-border-radius-lg);
    box-shadow: var(--pf-shadow);
    text-align: center;
    position: relative;
}

.pf-testimonial::before {
    content: '"';
    font-size: 4rem;
    color: var(--pf-primary);
    opacity: 0.2;
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    line-height: 1;
}

.pf-testimonial-content {
    font-style: italic;
    color: var(--pf-gray-700);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.pf-testimonial-author {
    font-weight: 600;
    color: var(--pf-gray-900);
    margin-bottom: 0.25rem;
}

.pf-testimonial-property {
    color: var(--pf-gray-500);
    font-size: 0.875rem;
}

/* CTA Sections */
.pf-cta {
    background: var(--pf-primary);
    color: white;
    padding: 4rem 2rem;
    text-align: center;
    border-radius: var(--pf-border-radius-lg);
}

.pf-cta h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.pf-cta p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.pf-cta .pf-btn {
    background: white;
    color: var(--pf-primary);
    font-weight: 600;
}

.pf-cta .pf-btn:hover {
    background: var(--pf-gray-100);
}

/* Loading States */
.pf-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--pf-gray-300);
    border-radius: 50%;
    border-top-color: var(--pf-primary);
    animation: pf-spin 1s linear infinite;
}

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

.pf-loading-overlay {
    position: relative;
    pointer-events: none;
}

.pf-loading-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.pf-loading-overlay::before {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid var(--pf-gray-300);
    border-radius: 50%;
    border-top-color: var(--pf-primary);
    animation: pf-spin 1s linear infinite;
    position: absolute;
    z-index: 11;
}

/* Utility Classes */
.pf-text-center {
    text-align: center;
}

.pf-text-left {
    text-align: left;
}

.pf-text-right {
    text-align: right;
}

.pf-mb-0 {
    margin-bottom: 0;
}

.pf-mb-1 {
    margin-bottom: 0.25rem;
}

.pf-mb-2 {
    margin-bottom: 0.5rem;
}

.pf-mb-3 {
    margin-bottom: 0.75rem;
}

.pf-mb-4 {
    margin-bottom: 1rem;
}

.pf-mb-6 {
    margin-bottom: 1.5rem;
}

.pf-mb-8 {
    margin-bottom: 2rem;
}

.pf-mt-0 {
    margin-top: 0;
}

.pf-mt-2 {
    margin-top: 0.5rem;
}

.pf-mt-4 {
    margin-top: 1rem;
}

.pf-mt-6 {
    margin-top: 1.5rem;
}

.pf-mt-8 {
    margin-top: 2rem;
}

/* Responsive Design */
@media (max-width: 640px) {
    .pf-property-grid {
        grid-template-columns: 1fr;
    }
    
    .pf-testimonials {
        grid-template-columns: 1fr;
    }
    
    .pf-hero {
        padding: 4rem 1rem;
    }
    
    .pf-section {
        padding: 3rem 1rem;
    }
    
    .pf-section-title {
        font-size: 2rem;
    }
    
    .pf-cta {
        padding: 3rem 1rem;
    }
    
    .pf-cta h2 {
        font-size: 2rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles */
.pf-btn:focus-visible,
.pf-input:focus-visible,
.pf-select:focus-visible,
.pf-textarea:focus-visible {
    outline: 2px solid var(--pf-primary);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .pf-btn,
    .pf-hero,
    .pf-cta {
        display: none;
    }
    
    .pf-property-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--pf-gray-300);
    }
}