/* ============================================
   MAPAS BONITOS - Estilos
   ============================================ */

/* Variables */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-elevated: #12121a;
    --color-bg-hover: #1a1a24;
    --color-surface: #16161f;
    --color-border: #2a2a3a;
    --color-border-light: #3a3a4a;
    
    --color-text: #f0f0f5;
    --color-text-secondary: #9090a0;
    --color-text-muted: #606070;
    
    --color-primary: #6366f1;
    --color-primary-hover: #818cf8;
    --color-primary-glow: rgba(99, 102, 241, 0.3);
    
    --color-success: #10b981;
    --color-success-hover: #34d399;
    
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    
    /* Gradients */
    --gradient-text: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
    --gradient-border: linear-gradient(135deg, #6366f1, #a855f7);
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    
    /* Spacing */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    
    /* Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-primary-glow);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   HEADER
   ============================================ */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-text);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.75rem;
}

.nav {
    display: flex;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text);
    background: var(--color-bg-hover);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    padding: 4rem 0 2rem;
    text-align: center;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

/* ============================================
   MAIN APP
   ============================================ */
.main {
    padding: 2rem 0 4rem;
}

.app-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 900px) {
    .app-grid {
        grid-template-columns: 1fr;
    }
}

/* Panel */
.panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.panel-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.panel-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
}

/* ============================================
   FORM
   ============================================ */
.form {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.9375rem;
}

.label-icon {
    font-size: 1.125rem;
}

.label-value {
    margin-left: auto;
    font-weight: 600;
    color: var(--color-primary);
}

.label-optional {
    font-weight: 400;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.form-input {
    padding: 0.875rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-input:hover {
    border-color: var(--color-border-light);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Range input */
.form-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--color-bg);
    border-radius: 3px;
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--color-primary-hover);
}

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

.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

/* ============================================
   THEME GRID
   ============================================ */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
}

.theme-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: var(--color-text-muted);
}

.theme-card {
    position: relative;
    aspect-ratio: 3/4;
    border-radius: var(--radius-md);
    cursor: pointer;
    overflow: hidden;
    border: 2px solid transparent;
    transition: var(--transition-fast);
}

.theme-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.theme-card.selected {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px var(--color-primary-glow);
}

.theme-preview {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
}

.theme-preview-bg {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-preview-roads {
    display: flex;
    flex-direction: column;
    gap: 3px;
    width: 60%;
}

.theme-preview-road {
    height: 2px;
    border-radius: 1px;
}

.theme-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 0.5rem 0.375rem;
    font-size: 0.6875rem;
    font-weight: 500;
    text-align: center;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    backdrop-filter: blur(4px);
}

.theme-check {
    position: absolute;
    top: 0.375rem;
    right: 0.375rem;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    opacity: 0;
    transform: scale(0.5);
    transition: var(--transition-fast);
}

.theme-card.selected .theme-check {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: inherit;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    box-shadow: var(--shadow-glow);
}

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

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

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

.btn-success:hover:not(:disabled) {
    background: var(--color-success-hover);
}

.btn-icon {
    font-size: 1.125rem;
}

/* ============================================
   PREVIEW AREA
   ============================================ */
.preview-area {
    padding: 1.5rem;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hidden {
    display: none !important;
}

/* Empty state */
.preview-empty {
    text-align: center;
}

.preview-placeholder {
    padding: 3rem;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    color: var(--color-text-muted);
}

.placeholder-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Loading state */
.preview-loading {
    text-align: center;
    width: 100%;
}

.loader {
    margin-bottom: 2rem;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    animation: spin 1s linear infinite;
}

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

.loader-text {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.loader-status {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
}

.progress-bar {
    height: 4px;
    background: var(--color-bg);
    border-radius: 2px;
    overflow: hidden;
    max-width: 300px;
    margin: 0 auto;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-border);
    border-radius: 2px;
    width: 0%;
    transition: width 0.5s ease;
}

/* Result state */
.preview-result {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.result-image {
    max-width: 100%;
    max-height: 450px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: contain;
}

.result-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* Error state */
.preview-error {
    text-align: center;
    padding: 2rem;
}

.error-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.error-message {
    color: var(--color-error);
    margin-bottom: 1.5rem;
}

/* ============================================
   GALLERY
   ============================================ */
.gallery-section {
    padding: 4rem 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--color-text-secondary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--color-text-muted);
}

.gallery-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--color-text-muted);
}

.gallery-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: var(--transition-normal);
}

.gallery-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-border-light);
}

.gallery-image {
    aspect-ratio: 3/4;
    width: 100%;
    object-fit: cover;
    background: var(--color-bg);
}

.gallery-info {
    padding: 1rem;
}

.gallery-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.gallery-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.gallery-theme {
    padding: 0.25rem 0.5rem;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
}

.gallery-download {
    padding: 0.5rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.gallery-download:hover {
    color: var(--color-primary);
    background: var(--color-bg-hover);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 2rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
}

.footer a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.footer a:hover {
    color: var(--color-primary);
}

.footer-credit {
    margin-top: 0.5rem;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    max-width: 350px;
}

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

.toast-icon {
    font-size: 1.25rem;
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
}

.toast-close {
    padding: 0.25rem;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1rem;
}

.toast-close:hover {
    color: var(--color-text);
}

.toast.success {
    border-color: var(--color-success);
}

.toast.error {
    border-color: var(--color-error);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 600px) {
    :root {
        --container-padding: 1rem;
    }
    
    .header .container {
        height: 60px;
    }
    
    .logo-text {
        display: none;
    }
    
    .hero {
        padding: 2rem 0 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .theme-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .result-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .result-actions .btn {
        width: 100%;
    }
}