/* Intmueble Image Enhancer Styles */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #175553;
    --primary-light: #2a7470;
    --primary-dark: #0f3e3c;
    --secondary-color: #f8f9fa;
    --accent-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --text-dark: #212529;
    --text-light: #6c757d;
    --border-color: #e9ecef;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 20px 0;
    text-align: center;
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Main Content */
.main-content {
    padding: 40px 0;
}

.upload-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* File Upload Area */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: #fafbfc;
}

.file-upload-area:hover,
.file-upload-area.drag-over {
    border-color: var(--primary-color);
    background: #f8fff8;
}

.file-upload-area.has-file {
    border-color: var(--accent-color);
    background: #f8fff8;
}

.upload-icon {
    font-size: 3rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.upload-text {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 15px;
}

.file-input {
    display: none;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: #e9ecef;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Image Preview */
.image-preview {
    margin-top: 20px;
    text-align: center;
    display: none;
}

.preview-img {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* Form Controls */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(23, 85, 83, 0.1);
}

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

/* Presets */
.presets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.preset-checkbox {
    display: flex;
    align-items: center;
    padding: 12px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
}

.preset-checkbox:hover {
    border-color: var(--primary-color);
    background: #f8fff8;
}

.preset-checkbox input[type="checkbox"] {
    margin-right: 10px;
    transform: scale(1.2);
}

.preset-checkbox.checked {
    border-color: var(--primary-color);
    background: rgba(23, 85, 83, 0.05);
}

/* Advanced Controls */
.advanced-controls {
    background: var(--secondary-color);
    padding: 20px;
    border-radius: var(--border-radius);
    margin-bottom: 20px;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.range-input {
    display: flex;
    align-items: center;
    gap: 10px;
}

.range-input input[type="range"] {
    flex: 1;
}

.range-value {
    min-width: 60px;
    text-align: center;
    padding: 4px 8px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.9rem;
}

/* Results Section */
.results-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: none;
}

.comparison-container {
    position: relative;
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.comparison-slider {
    position: relative;
    width: 100%;
    height: 400px;
    overflow: hidden;
}

.comparison-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.comparison-overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
}

.comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    cursor: ew-resize;
    z-index: 10;
}

.comparison-handle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 2px solid white;
    border-radius: 50%;
}

/* Result Actions */
.result-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.result-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.chip {
    background: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* History Gallery */
.history-section {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    display: none;
}

.history-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
}

.history-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.history-item:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.history-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Loading State */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-content {
    background: white;
    padding: 40px;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Flash Messages */
.flash-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    max-width: 400px;
}

.flash-message {
    background: white;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    margin-bottom: 10px;
    border-left: 4px solid;
    animation: slideIn 0.3s ease;
}

.flash-message.success {
    border-left-color: var(--accent-color);
}

.flash-message.error {
    border-left-color: var(--danger-color);
}

.flash-message.warning {
    border-left-color: var(--warning-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .controls-grid {
        grid-template-columns: 1fr;
    }
    
    .result-actions {
        flex-direction: column;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .upload-section,
    .results-section,
    .history-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .presets-grid {
        grid-template-columns: 1fr;
    }
    
    .file-upload-area {
        padding: 20px;
    }
    
    .upload-icon {
        font-size: 2rem;
    }
}

/* Tooltips */
.tooltip-icon {
    color: var(--primary-color);
    cursor: help;
    margin-left: 8px;
    font-size: 0.9rem;
    position: relative;
    display: inline-block;
}

.tooltip-icon:hover {
    color: var(--primary-dark);
}

.tooltip {
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--text-dark);
    color: white;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    line-height: 1.4;
    white-space: pre-line;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    max-width: 320px;
    min-width: 250px;
    text-align: left;
    box-shadow: var(--shadow-lg);
}

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--text-dark) transparent transparent transparent;
}

.tooltip-icon:hover .tooltip,
.tooltip-icon:focus .tooltip {
    opacity: 1;
    visibility: visible;
}

/* Mobile tooltip adjustments */
@media (max-width: 768px) {
    .tooltip {
        max-width: 280px;
        min-width: 200px;
        font-size: 0.8rem;
        padding: 10px 12px;
    }
}

/* Login Page Styles */
.login-body {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-header {
    margin-bottom: 30px;
}

.login-logo {
    height: 100px;
    margin-bottom: 20px;
}

.login-header h1 {
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0;
}

.login-form {
    text-align: left;
}

.login-input {
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.login-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(23, 85, 83, 0.1);
}

.login-btn {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 10px;
}

.login-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

.flash-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.2rem;
    cursor: pointer;
    position: absolute;
    top: 10px;
    right: 15px;
    opacity: 0.7;
}

.flash-close:hover {
    opacity: 1;
}

/* Logout button in header */
.header-actions {
    position: absolute;
    top: 20px;
    right: 20px;
}

.logout-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
    text-decoration: none;
}

/* Mobile adjustments for login */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
    
    .login-logo {
        height: 60px;
    }
    
    .header-actions {
        position: relative;
        top: auto;
        right: auto;
        margin-top: 10px;
        text-align: center;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.text-center {
    text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

/* Header con logo centrado */
.header-content {
    display: flex;
    flex-direction: column; /* apila logo, título y subtítulo */
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 12px;
}

/* Logo más grande y centrado */
.header-logo {
    max-height: 100px; /* ajustá según el tamaño que quieras */
    width: auto;
    margin: 0 auto; /* asegura centrado */
    display: block;
}