/*
Real Estate Bot - Custom Stylesheet
Author: RSK World (https://rskworld.in)
Founded by: Molla Samser
Designer & Tester: Rima Khatun
Contact: info@rskworld.com, +91 93305 39277
Year: 2026
Description: Custom styles for the real estate chatbot interface
*/

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-bg: #ecf0f1;
    --dark-text: #2c3e50;
    --border-radius: 12px;
    --transition: all 0.3s ease;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Utility Classes */
.text-gradient {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-gradient {
    background: linear-gradient(45deg, var(--secondary-color), var(--accent-color));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: white;
}

.card-hover {
    transition: var(--transition);
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Scrollbar Styles */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #2980b9;
}

/* Property Card Styles */
.property-card {
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin-bottom: 20px;
}

.property-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.property-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.property-details {
    padding: 20px;
}

.property-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.property-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.property-location {
    color: #666;
    margin-bottom: 15px;
}

.property-features {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}

.property-feature {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    color: #666;
}

.property-amenities {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 15px;
}

.amenity-tag {
    background: var(--light-bg);
    padding: 4px 8px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--dark-text);
}

/* Chat Enhancements */
.message-bubble {
    position: relative;
    max-width: 70%;
    word-wrap: break-word;
    animation: messageSlide 0.3s ease;
}

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

/* Property Search Filters */
.filter-section {
    background: white;
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.filter-group {
    margin-bottom: 15px;
}

.filter-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: var(--dark-text);
}

.filter-input {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.filter-input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

.filter-select {
    width: 100%;
    padding: 10px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    background: white;
    cursor: pointer;
    transition: var(--transition);
}

.filter-select:focus {
    outline: none;
    border-color: var(--secondary-color);
}

/* Price Range Slider */
.price-range {
    margin: 20px 0;
}

.price-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: #e0e0e0;
    outline: none;
    -webkit-appearance: none;
}

.price-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    cursor: pointer;
}

.price-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--secondary-color);
    cursor: pointer;
    border: none;
    -moz-appearance: none;
    appearance: none;
}

.price-display {
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    font-weight: 600;
    color: var(--secondary-color);
}

/* Appointment Form */
.appointment-form {
    background: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 20px;
}

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

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.form-control.error {
    border-color: var(--accent-color);
}

.error-message {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Success/Error Alerts */
.alert {
    padding: 15px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    border: none;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--success-color);
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--accent-color);
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border-left: 4px solid var(--secondary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .property-features {
        flex-direction: column;
        gap: 8px;
    }
    
    .message-bubble {
        max-width: 85%;
    }
    
    .filter-section {
        padding: 15px;
    }
    
    .appointment-form {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .property-details {
        padding: 15px;
    }
    
    .property-price {
        font-size: 1.3rem;
    }
    
    .property-title {
        font-size: 1.1rem;
    }
    
    .btn-gradient {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.slide-up {
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --light-bg: #2c3e50;
        --dark-text: #ecf0f1;
    }
    
    body {
        background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    }
    
    .property-card,
    .filter-section,
    .appointment-form {
        background: #34495e;
        color: var(--dark-text);
    }
    
    .filter-input,
    .filter-select,
    .form-control {
        background: #2c3e50;
        color: var(--dark-text);
        border-color: #4a5f7a;
    }
}

/* Print Styles */
@media print {
    body {
        background: white;
    }
    
    .chat-container,
    .filter-section,
    .appointment-form {
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .btn-gradient {
        background: none;
        color: var(--dark-text);
        border: 1px solid #ddd;
    }
}