/* styles.css */
:root {
    /* === PALETA DE COLORES MODO OSCURO === */
    --bg-dark: #121212;
    --bg-darker: #0a0a0a;
    --bg-card: #1e1e1e;
    --bg-card-hover: #252525;
    --bg-header: #1a1a1a;
    
    --primary-red: #ff5252;
    --primary-red-dark: #d32f2f;
    --primary-red-light: #ff867f;
    --accent-red: #ff8a80;
    
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #888888;
    
    --border-dark: #333333;
    --border-light: #444444;
    --border-hover: #555555;
    
    --gray-dark: #2d2d2d;
    --gray-medium: #3d3d3d;
    --gray-light: #4d4d4d;
    --gray-extra-light: #2a2a2a;
    
    --success: #4caf50;
    --warning: #ff9800;
    --error: #f44336;
    --info: #2196f3;
                    
    /* Variables de aplicación */
    --primary: var(--primary-red);
    --primary-dark: var(--primary-red-dark);
    --primary-light: var(--primary-red-light);
    --accent: var(--accent-red);
    --secondary: var(--gray-extra-light);
    --text-dark: var(--text-primary);
    --text-light: var(--text-secondary);
    --border: var(--border-dark);
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Variables para modo claro (si se implementa toggle) */
.light-mode {
    --bg-dark: #f5f5f5;
    --bg-darker: #e0e0e0;
    --bg-card: #ffffff;
    --bg-card-hover: #f8f8f8;
    --bg-header: #ffffff;
    
    --text-primary: #121212;
    --text-secondary: #666666;
    --text-muted: #888888;
    
    --border-dark: #dddddd;
    --border-light: #eeeeee;
    --border-hover: #cccccc;
    
    --gray-dark: #263238;
    --gray-medium: #546E7A;
    --gray-light: #78909C;
    --gray-extra-light: #ECEFF1;
    
    --shadow: 0 4px 12px rgba(38, 50, 56, 0.1);
    --shadow-lg: 0 8px 24px rgba(38, 50, 56, 0.15);
}

* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
    font-family: 'Segoe UI', 'Roboto', Tahoma, Geneva, Verdana, sans-serif; 
}

body {
    background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 100%);
    min-height: 100vh;
    padding: 20px;
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border-top: 5px solid var(--accent);
    position: relative;
    transition: var(--transition);
}

/* Header Moderno - Modo Oscuro */
.app-header {
    background: linear-gradient(135deg, var(--primary-red-dark) 0%, #8B0000 100%);
    color: var(--text-primary);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    overflow: hidden;
}

.app-header::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.logo-section { 
    display: flex; 
    align-items: center; 
    gap: 25px; 
    position: relative;
    z-index: 1;
}

.app-logo svg { 
    height: 45px; 
    width: auto; 
    fill: white; 
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.app-title { 
    font-size: 1.6rem; 
    font-weight: 700; 
    letter-spacing: 0.5px; 
    margin-bottom: 4px;
    color: white;
}

.app-subtitle { 
    font-size: 0.85rem; 
    opacity: 0.9; 
    letter-spacing: 0.5px; 
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
}

.client-section {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 18px;
    border-radius: var(--radius);
    margin-left: 20px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.client-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: white;
    letter-spacing: 0.5px;
}

.client-logo-wrapper {
    height: 35px;
    display: flex;
    align-items: center;
}

.client-logo-wrapper img {
    max-height: 100%;
    max-width: 120px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    margin-left: 20px;
}

.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    border-radius: 20px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-1px);
}

/* Header Actions */
.header-actions {
    display: flex; 
    flex-direction: column; 
    align-items: flex-end; 
    gap: 8px;
    position: relative;
    z-index: 1;
    min-width: 180px;
}

.folder-input-container {
    display: flex; 
    align-items: center; 
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 15px;
    border-radius: var(--radius);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 160px;
}

.header-actions .form-control {
    width: 150px;
    padding: 6px 10px; 
    font-size: 13px;
    text-align: right;
    border: none;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-weight: bold;
    border-radius: 4px;
    transition: var(--transition);
}

.header-actions .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.header-actions .form-control:focus {
    outline: none; 
    border-color: var(--primary); 
    box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.2); 
    background: var(--bg-card-hover);
    color: var(--text-primary) !important;
}

#current-datetime {
    font-size: 0.9rem;
    font-weight: 500;
    text-shadow: 0 1px 2px rgba(0,0,0,0.1);
    color: white;
}

/* Navigation Moderna - Modo Oscuro */
.app-nav { 
    background: var(--bg-header); 
    padding: 0 30px; 
    border-bottom: 1px solid var(--border-dark);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.nav-tabs { 
    display: flex; 
    list-style: none; 
    gap: 0; 
}

.nav-tab {
    padding: 18px 24px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: 0.95rem;
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-tab:hover { 
    color: var(--primary); 
    background: var(--gray-dark);
}

.nav-tab.active { 
    color: var(--primary); 
    border-bottom-color: var(--accent); 
    background: var(--gray-dark);
}

.nav-tab.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--accent);
}

/* Content */
.app-main { 
    padding: 30px; 
    min-height: 600px; 
    background: var(--bg-dark);
}

.tab-content { 
    display: none; 
    animation: fadeIn 0.4s ease; 
}

.tab-content.active { 
    display: block; 
}

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

/* Cards Modernas - Modo Oscuro */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    border: 1px solid var(--border-dark);
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
}

.card-header {
    background: linear-gradient(to right, var(--gray-dark), var(--bg-card));
    padding: 18px 25px;
    border-bottom: 1px solid var(--border-dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title { 
    font-size: 1.1rem; 
    font-weight: 700; 
    color: var(--primary); 
    display: flex; 
    align-items: center; 
    gap: 12px; 
    text-transform: uppercase; 
    letter-spacing: 0.5px; 
}

.card-body { 
    padding: 25px; 
}

/* Forms Modernos - Modo Oscuro */
.form-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); 
    gap: 20px; 
}

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

.form-label { 
    display: block; 
    margin-bottom: 8px; 
    font-weight: 700; 
    font-size: 0.85rem; 
    color: var(--text-primary); 
    text-transform: uppercase; 
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%; 
    padding: 12px 15px;
    border: 1px solid var(--border-dark); 
    border-radius: var(--radius);
    font-size: 14px; 
    transition: var(--transition);
    background: var(--bg-card);
    color: var(--text-primary);
}

.form-control:focus { 
    outline: none; 
    border-color: var(--primary); 
    box-shadow: 0 0 0 3px rgba(255, 82, 82, 0.2); 
    background: var(--bg-card-hover);
}

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

select.form-control {
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
}

select.form-control option {
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 10px;
}

/* Buttons Modernos - Modo Oscuro */
.btn {
    padding: 12px 24px; 
    border: none; 
    border-radius: var(--radius);
    font-weight: 600; 
    cursor: pointer; 
    transition: var(--transition);
    display: inline-flex; 
    align-items: center; 
    gap: 8px; 
    font-size: 14px;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn-calculator {
    background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%) !important;
    border: none;
}

.btn-calculator:hover {
    background: linear-gradient(135deg, #66BB6A 0%, #388E3C 100%) !important;
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    100% {
        transform: scale(20, 20);
        opacity: 0;
    }
}

.btn:active { 
    transform: translateY(1px); 
}

.btn-primary { 
    background: var(--primary); 
    box-shadow: 0 2px 5px rgba(255, 82, 82, 0.3);
}

.btn-primary:hover { 
    background: var(--primary-dark); 
    box-shadow: 0 4px 8px rgba(255, 82, 82, 0.4);
}

.btn-white-base { 
    background: var(--gray-medium); 
    color: var(--text-primary); 
    border: 1px solid var(--border-dark); 
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.btn-white-base:hover { 
    background: var(--gray-light); 
    border-color: var(--border-hover); 
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.btn-success { 
    background: var(--success); 
    box-shadow: 0 2px 5px rgba(76, 175, 80, 0.3);
}

.btn-success:hover { 
    background: #43A047; 
    box-shadow: 0 4px 8px rgba(76, 175, 80, 0.4);
}

.btn-warning { 
    background: var(--warning); 
    box-shadow: 0 2px 5px rgba(255, 152, 0, 0.3);
}

.btn-danger { 
    background: var(--error); 
    box-shadow: 0 2px 5px rgba(244, 67, 54, 0.3);
}

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

.btn-outline:hover { 
    border-color: var(--primary); 
    color: var(--primary); 
    background: rgba(255, 82, 82, 0.1);
}

.btn-sm { 
    padding: 8px 16px; 
    font-size: 12px; 
}

.btn-lg { 
    padding: 16px 32px; 
    font-size: 16px; 
}


.color-recognition-note {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.color-recognition-note.is-recognized {
    border-color: rgba(79, 168, 122, 0.55);
    color: #b8e6cb;
}

.color-recognition-note.is-unrecognized {
    border-color: rgba(214, 168, 72, 0.55);
    color: #f5d88b;
}

/* Sequences & Tables Modernos - Modo Oscuro */
.sequence-table { 
    width: 100%; 
    border-collapse: collapse; 
    font-size: 13px; 
    margin-top: 10px; 
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
}

.sequence-table th { 
    background: linear-gradient(to right, var(--primary), var(--primary-dark)); 
    color: white; 
    padding: 14px 8px; 
    text-align: left; 
    font-weight: 600; 
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sequence-table td { 
    padding: 12px 8px; 
    border-bottom: 1px solid var(--border-dark); 
    color: var(--text-primary);
}

.sequence-table tr:nth-child(even) { 
    background: var(--gray-dark); 
}

.sequence-table tr:hover { 
    background: var(--gray-medium); 
}

.color-sequence { 
    display: flex; 
    flex-direction: column; 
    gap: 12px; 
    margin-top: 15px; 
}

.color-item {
    display: flex; 
    align-items: center; 
    gap: 12px;
    padding: 15px; 
    background: var(--bg-card);
    border-radius: var(--radius); 
    border-left: 4px solid var(--primary);
    border: 1px solid var(--border-dark); 
    border-left-width: 4px;
    transition: var(--transition);
}

.color-item:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    background: var(--bg-card-hover);
}


.color-item.dragging {
    opacity: 0.45;
    transform: scale(0.99);
    border-color: var(--accent);
}

.drag-handle {
    border: 1px dashed var(--border-dark);
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    flex-shrink: 0;
}

.drag-handle:active {
    cursor: grabbing;
}

.color-item .form-control[title="Letra/Número de Pantalla"] {
    width: 60px; 
    text-align: center; 
    font-weight: bold;
    border: 2px solid var(--accent);
    padding: 8px;
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-primary);
}

.badge { 
    padding: 6px 12px; 
    border-radius: 20px; 
    font-size: 11px; 
    font-weight: bold; 
    color: white; 
    text-transform: uppercase; 
    letter-spacing: 0.5px;
}

.badge-blocker { 
    background: var(--gray-light); 
}

.badge-white { 
    background: var(--gray-medium); 
}

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

/* Vista previa de color */
.color-preview {
    width: 35px;
    height: 35px;
    border-radius: var(--radius);
    border: 2px solid var(--border-dark);
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.color-preview:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.4);
}

.color-preview:empty {
    background: linear-gradient(45deg, var(--gray-dark) 25%, transparent 25%, transparent 75%, var(--gray-dark) 75%, var(--gray-dark)), 
                linear-gradient(45deg, var(--gray-dark) 25%, transparent 25%, transparent 75%, var(--gray-dark) 75%, var(--gray-dark));
    background-size: 10px 10px;
    background-position: 0 0, 5px 5px;
}

/* File Upload & Preview Moderno - Modo Oscuro */
.file-upload-area {
    border: 2px dashed var(--border-dark); 
    border-radius: var(--radius);
    padding: 40px; 
    text-align: center; 
    cursor: pointer;
    background: var(--gray-dark); 
    transition: var(--transition);
    position: relative;
}

.file-upload-area:hover { 
    border-color: var(--primary); 
    background: rgba(255, 82, 82, 0.1); 
}

.file-upload-area i {
    font-size: 2.5rem; 
    color: var(--primary); 
    margin-bottom: 15px;
}

.image-preview-container {
    position: relative;
    display: inline-block;
    margin-top: 15px;
}

.image-preview { 
    max-width: 100%; 
    max-height: 250px; 
    border-radius: var(--radius); 
    box-shadow: var(--shadow); 
    border: 1px solid var(--border-dark);
    display: none;
}

.image-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 5px;
}

.image-actions .btn {
    padding: 5px 10px;
    font-size: 12px;
}

/* Dashboard Moderno - Modo Oscuro */
.dashboard-grid { 
    display: grid; 
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); 
    gap: 20px; 
    margin-bottom: 30px; 
}

.stat-card { 
    background: var(--bg-card); 
    padding: 25px; 
    border-radius: var(--radius-lg); 
    box-shadow: var(--shadow); 
    text-align: center; 
    border-top: 4px solid var(--accent);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-dark);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
}

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

.stat-number { 
    font-size: 2.8rem; 
    font-weight: bold; 
    color: var(--primary); 
    margin-bottom: 5px;
}

.stat-label { 
    font-size: 0.9rem; 
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Status Messages Modernos - Modo Oscuro */
.status-message {
    position: fixed; 
    bottom: 20px; 
    right: 20px;
    padding: 16px 24px; 
    border-radius: var(--radius);
    color: white; 
    font-weight: bold; 
    display: none;
    box-shadow: var(--shadow-lg); 
    z-index: 1000;
    animation: slideIn 0.3s ease;
    border-left: 4px solid rgba(255,255,255,0.5);
}

.status-success { 
    background: var(--success); 
}

.status-error { 
    background: var(--error); 
}

.status-warning { 
    background: var(--warning); 
}

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

/* Logos Footer Moderno - Modo Oscuro */
.logos-container {
    text-align: center; 
    padding: 30px;
    background: var(--bg-header);
    border-top: 1px solid var(--border-dark);
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 40px;
}

.logos-container svg {
    filter: brightness(0) invert(1);
}

/* Text Area */
textarea.form-control {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-dark);
    resize: vertical;
}

textarea.form-control:focus {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

/* Estilos para múltiples placements (modo oscuro) */
.placement-tabs {
    border-bottom: 2px solid var(--border-dark);
    padding-bottom: 5px;
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-bottom: 20px;
}

.placement-tab {
    padding: 10px 20px;
    background: var(--gray-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius) var(--radius) 0 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.placement-tab:hover {
    background: var(--gray-medium);
}

.placement-tab.active {
    background: var(--bg-card);
    border-bottom: 3px solid var(--accent);
    color: var(--primary);
    border-bottom-color: transparent;
}

.placement-tab .remove-tab {
    margin-left: 8px;
    color: var(--error);
    opacity: 0.6;
    font-size: 0.8rem;
}

.placement-tab .remove-tab:hover {
    opacity: 1;
}

.placement-section {
    background: var(--bg-card);
    border: 2px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
    display: none;
    animation: fadeIn 0.3s ease;
}

.placement-section.active {
    display: block;
    border-color: var(--primary-light);
}

.placement-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-dark);
}

.placement-title {
    font-size: 1.2rem;
    color: var(--primary);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

.placement-actions {
    display: flex;
    gap: 10px;
}

.placement-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 20px;
}

.placement-left-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.placement-right-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

@media (max-width: 1024px) {
    .placement-grid {
        grid-template-columns: 1fr;
    }
}

/* Vista de tarjetas (cards) para placements */
.placements-cards-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.placement-card {
    background: var(--bg-card);
    border: 2px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
    cursor: pointer;
}

.placement-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    background: var(--bg-card-hover);
}

.placement-card.active {
    border-color: var(--primary);
    background: linear-gradient(to right, rgba(255, 82, 82, 0.1), var(--bg-card));
}

.placement-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-dark);
}

.placement-card-title {
    font-weight: 700;
    color: var(--primary);
    font-size: 1.1rem;
}

.placement-card-body {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.placement-card-image {
    width: 100%;
    height: 150px;
    object-fit: contain;
    border-radius: var(--radius);
    background: var(--gray-dark);
    border: 1px solid var(--border-dark);
}

.placement-card-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-top: 10px;
}

.placement-color-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--bg-card);
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* PDF Color Swatches */
.pdf-color-swatch {
    width: 15px;
    height: 15px;
    display: inline-block;
    margin-right: 5px;
    border: 1px solid var(--border-light);
    vertical-align: middle;
    border-radius: 2px;
}

.color-legend {
    margin-top: 15px;
    padding: 10px;
    background: var(--gray-dark);
    border-radius: var(--radius);
    font-size: 0.85rem;
}

.color-legend-item {
    display: inline-flex;
    align-items: center;
    margin-right: 15px;
    margin-bottom: 5px;
}

.color-legend-swatch {
    width: 12px;
    height: 12px;
    margin-right: 5px;
    border: 1px solid var(--border-light);
}

/* Responsive */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: 15px;
    }
    
    .logo-section {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .client-section {
        margin-left: 0;
    }
    
    .header-actions {
        align-items: flex-start;
    }
    
    .nav-tabs {
        flex-direction: column;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .placement-grid {
        grid-template-columns: 1fr;
    }
    
    .placements-cards-view {
        grid-template-columns: 1fr;
    }
}

.form-control {
    color-scheme: dark;
}

/* Para modo claro específicamente */
.light-mode .form-control:focus {
    color: #121212 !important;
    background: white !important;
}

.light-mode .header-actions .form-control:focus {
    color: #121212 !important;
    background: white !important;
}

@page {
    size: letter;
    margin: 12mm;
}

@media print {
    body {
        margin: 0;
        background: white;
    }

    body * {
        visibility: hidden;
    }

    #pdf-render,
    #pdf-render * {
        visibility: visible;
    }

    #pdf-render {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        max-width: 100%;
    }

    .placement-block,
    .sequence-table,
    .general-info-section {
        page-break-inside: avoid;
    }

    .page-break {
        page-break-before: always;
    }
}

.palette-layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
    gap: 16px;
    align-items: start;
}

.palette-extractor-controls {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 110px minmax(150px, 170px) auto auto;
    gap: 10px;
    align-items: center;
    margin-bottom: 14px;
}

.palette-threshold-control {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.palette-extractor-preview {
    border: 1px dashed var(--border-dark);
    border-radius: var(--radius);
    padding: 12px;
    background: var(--bg-tertiary);
    min-height: 120px;
}

#palette-source-image {
    display: block;
    max-width: 100%;
    max-height: 540px;
    margin: 0 auto;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.palette-layout-right {
    position: sticky;
    top: 12px;
}

.palette-results {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
}

.palette-color-card {
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-card);
}

.palette-color-chip {
    height: 56px;
}

.palette-color-meta {
    padding: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.palette-color-meta strong {
    display: block;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.palette-tone-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 6px;
    padding: 4px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.palette-tone-badge.is-light {
    background: rgba(255, 255, 255, 0.18);
    color: #FFE082;
    border: 1px solid rgba(255, 224, 130, 0.35);
}

.palette-tone-badge.is-dark {
    background: rgba(0, 0, 0, 0.18);
    color: #B0BEC5;
    border: 1px solid rgba(176, 190, 197, 0.35);
}

@media (max-width: 1100px) {
    .palette-layout-grid {
        grid-template-columns: 1fr;
    }

    .palette-layout-right {
        position: static;
    }
}

@media (max-width: 768px) {
    .palette-extractor-controls {
        grid-template-columns: 1fr;
    }
}


.palette-json-tools {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.palette-json-output {
    margin-top: 10px;
    background: var(--gray-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    padding: 10px;
    max-height: 260px;
    overflow: auto;
    font-size: 0.8rem;
    color: var(--text-primary);
}


.palette-editable-name {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 4px;
    border-radius: 4px;
}

.palette-editable-name:hover {
    background: rgba(255, 255, 255, 0.08);
}