/**
 * views/css/photoframe.css
 * Estilos completos: Ficha de producto + Editor Modal (Estilo similar al Pricing Calculator)
 */

/* ============================================================
   VARIABLES Y ESTILOS BASE
   ============================================================ */
:root {
    --primary-color: #1f2d3a;
    --secondary-color: #3498db;
    --accent-color: #f4a33b;
    --success-color: #2ecc71;
    --light-bg: #f3f6f9;
    --border-color: #d7dee7;
    --text-color: #1f2933;
    --text-light: #6b7280;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.12);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.25s ease;
    --gradient-primary: linear-gradient(135deg, #1f2d3a, #2b78c5);
    --gradient-success: linear-gradient(135deg, #1f7a3b, #2ecc71);
    --gradient-soft: linear-gradient(135deg, rgba(52, 152, 219, 0.08), rgba(46, 204, 113, 0.08));
}

/* Asegura variables dentro del módulo también */
.pf-modal-overlay,
.photoframe-entry,
.photoframe-panel,
#photoframe-result-container {
    --primary-color: #1f2d3a;
    --secondary-color: #3498db;
    --accent-color: #f4a33b;
    --success-color: #2ecc71;
    --light-bg: #f3f6f9;
    --border-color: #d7dee7;
    --text-color: #1f2933;
    --text-light: #6b7280;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.12);
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.25s ease;
    --gradient-primary: linear-gradient(135deg, #1f2d3a, #2b78c5);
    --gradient-success: linear-gradient(135deg, #1f7a3b, #2ecc71);
    --gradient-soft: linear-gradient(135deg, rgba(52, 152, 219, 0.08), rgba(46, 204, 113, 0.08));
}

/* ============================================================
   1. ESTILOS DE LA FICHA DE PRODUCTO (Lista de Marcos)
   ============================================================ */
.photoframe-entry {
    display: flex;
    align-items: center;
    margin: 10px 0 20px;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 14px;
    background: var(--gradient-soft);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.photoframe-entry .pf-help-stack {
    display: flex;
    align-items: center;
    gap: 8px;
}

.photoframe-entry .pf-help-stack + .pf-help-stack {
    margin-left: 0;
}

.photoframe-entry .pf-help-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 25px;
    height: 25px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    color: var(--secondary-color);
    background: white;
    cursor: help;
    position: relative;
    flex-shrink: 0;
}

.photoframe-entry .pf-help-icon:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.3);
}

.photoframe-entry .pf-help-icon::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    transform: translateX(-50%) translateY(4px);
    background: var(--primary-color);
    color: white;
    padding: 8px 10px;
    border-radius: 8px;
    font-size: 0.75rem;
    line-height: 1.3;
    width: 220px;
    max-width: 240px;
    text-align: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 20;
}

.photoframe-entry .pf-help-icon::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: calc(100% + 2px);
    transform: translateX(-50%);
    border-width: 6px 6px 0 6px;
    border-style: solid;
    border-color: var(--primary-color) transparent transparent transparent;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
}

.photoframe-entry .pf-help-icon:hover::after,
.photoframe-entry .pf-help-icon:focus::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.photoframe-entry .pf-help-icon:hover::before,
.photoframe-entry .pf-help-icon:focus::before {
    opacity: 1;
    visibility: visible;
}

.photoframe-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 0;
    border-radius: 999px;
    padding: 12px 18px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: var(--gradient-primary);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.photoframe-toggle .icon-picture {
    margin-right: 0;
}

.photoframe-toggle::after {
    content: "";
    position: absolute;
    top: 0;
    left: -40%;
    width: 40%;
    height: 100%;
    background: linear-gradient(120deg, rgba(255, 255, 255, 0.35), transparent);
    transform: skewX(-20deg);
    transition: transform 0.4s ease;
}

.photoframe-toggle:hover::after,
.photoframe-toggle:focus::after {
    transform: translateX(260%) skewX(-20deg);
}

.photoframe-toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25), var(--shadow-md);
}

.photoframe-toggle:hover,
.photoframe-toggle:focus {
    transform: translateY(-1px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.photoframe-toggle.is-open {
    background: var(--gradient-success);
}

#photoframe-open-mirror-editor {
    background: var(--gradient-success);
}

#photoframe-open-mirror-editor:hover,
#photoframe-open-mirror-editor:focus {
    background: linear-gradient(135deg, #1f7a3b, #32d67a);
}

.photoframe-panel {
    margin: 20px 0;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.photoframe-panel::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.photoframe-panel .panel-heading {
    background-color: var(--light-bg);
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.photoframe-panel .panel-body {
    padding: 20px;
}

/* Lista de marcos (Grid) */
.photoframe-frames-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 15px;
    margin-top: 20px;
    padding: 12px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
}

.photoframe-frame-item {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 10px;
    text-align: center;
    transition: var(--transition);
    background: white;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(15, 23, 42, 0.06);
}

.photoframe-frame-item:hover {
    border-color: var(--secondary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.photoframe-frame-item:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(244, 163, 59, 0.25), var(--shadow-md);
}

.photoframe-frame-item .frame-preview {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.12), rgba(46, 204, 113, 0.12));
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.photoframe-frame-item .frame-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.photoframe-frame-item .frame-name {
    font-size: 0.85rem;
    color: var(--text-color);
    margin-bottom: 10px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Botón "Diseñar" moderno */
.photoframe-design-btn {
    border-radius: 999px !important;
    font-weight: 700 !important;
    letter-spacing: 0.3px;
    text-transform: uppercase;
    font-size: 0.75rem !important;
    background: linear-gradient(135deg, #1f2d3a, #3498db) !important;
    border: none !important;
    padding: 8px 16px !important;
    transition: all 0.25s ease !important;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

.photoframe-design-btn:hover {
    background: linear-gradient(135deg, #1f2d3a, #3a8bd6) !important;
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12) !important;
}

.photoframe-design-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08) !important;
}

.photoframe-design-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25), var(--shadow-md) !important;
}

.photoframe-design-btn .icon-magic {
    margin-right: 6px;
}

#photoframe-result-container {
    background: var(--gradient-soft);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    box-shadow: var(--shadow-sm);
}

#photoframe-result-container .alert {
    margin-bottom: 12px;
}

#photoframe-result-container img {
    border-radius: var(--border-radius-sm);
}

/* ============================================================
   2. EDITOR MODAL - ESTILO SIMILAR AL PRICING CALCULATOR
   ============================================================ */

/* Fondo del modal */
.pf-modal-overlay {
    display: none;
    position: fixed;
    z-index: 100000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    align-items: center;
    justify-content: center;
    animation: pfFadeIn 0.3s ease-out;
}

/* Contenedor Principal */
.pf-modal-content {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    width: 95%;
    height: 90%;
    max-width: 1400px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    overflow: hidden;
    animation: pfSlideUp 0.3s ease-out;
    position: relative;
}

.pf-modal-content::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

/* Cabecera del Modal */
.pf-modal-header {
    padding: 15px 20px;
    background: linear-gradient(90deg, rgba(52, 152, 219, 0.12), rgba(244, 163, 59, 0.12));
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    flex-shrink: 0;
}

.pf-modal-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pf-close-btn {
    font-size: 0;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
    line-height: 0;
    padding: 0;
    font-weight: normal;
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: white;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    background-image: url("../img/X.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 14px 14px;
}

.pf-close-btn:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

/* Cuerpo (Layout Flex para Sidebar + Canvas) */
.pf-modal-body {
    flex-grow: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    background: white;
}

/* --- ROOM SELECTION GRID --- */
.pf-room-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.pf-room-item {
    position: relative;
    height: 60px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
    border: 2px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.2s ease;
}

.pf-room-item:hover {
    border-color: #999;
    transform: translateY(-2px);
}

.pf-room-item.active {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(244, 163, 59, 0.25);
}

.pf-room-item span {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2px 0;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    color: white;
    background: rgba(0, 0, 0, 0.6);
}

/* --- BARRA LATERAL (CONTROLES) --- */
.pf-sidebar {
    width: 340px;
    background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
}

.pf-scrollable {
    padding: 20px;
    overflow-y: auto;
    height: 100%;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) var(--light-bg);
}

.pf-scrollable::-webkit-scrollbar {
    width: 6px;
}

.pf-scrollable::-webkit-scrollbar-track {
    background: transparent;
}

.pf-scrollable::-webkit-scrollbar-thumb {
    background-color: #cbd5e1;
    border-radius: 4px;
}

/* Grupos de controles */
.pf-section {
    margin-bottom: 20px;
    background: white;
    padding: 20px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--secondary-color);
    box-shadow: var(--shadow-sm);
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.pf-section:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.pf-sec-title {
    font-size: 0.85rem;
    color: var(--primary-color);
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--secondary-color);
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Elementos de formulario */
.pf-sidebar label {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 10px;
    color: var(--text-color);
    align-items: center;
    font-weight: 500;
}

.pf-val {
    color: var(--secondary-color);
    font-family: monospace;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Controles específicos del lienzo */
.pf-canvas-head {
    margin: -4px 0 14px;
}

.pf-canvas-head-title {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-color);
}

.pf-canvas-head-note {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.pf-canvas-label {
    margin-top: 10px;
}

.pf-canvas-zoom {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 6px;
}

.pf-canvas-zoom-range {
    flex: 1;
}

.pf-zoom-btn {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: white;
    color: var(--text-color);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.pf-zoom-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
    box-shadow: var(--shadow-sm);
}

.pf-zoom-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.pf-canvas-zoom-hint {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-light);
}

.pf-dpi-indicator {
    margin-top: 12px;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1.5px solid #22c55e;
    font-size: 0.8rem;
    font-weight: 600;
    color: #22c55e;
    background: rgba(34, 197, 94, 0.08);
}

.pf-canvas-warning {
    margin-top: 10px;
    padding: 10px;
    background: #fff3cd;
    border-left: 3px solid #f59e0b;
    border-radius: 4px;
    font-size: 0.78rem;
    color: #78350f;
    line-height: 1.5;
    display: none;
}

.pf-canvas-help {
    margin-top: 10px;
    padding: 10px;
    background: #fffbeb;
    border-left: 3px solid #f59e0b;
    border-radius: 4px;
    font-size: 0.75rem;
    color: #78350f;
    line-height: 1.5;
}

.pf-canvas-tip {
    margin-top: 10px;
    font-size: 0.75rem;
    color: #888;
    line-height: 1.4;
}

/* Inputs personalizados */
.pf-range {
    position: relative;
    padding-top: 18px;
    margin: 6px 0 18px;
    --pf-range-percent: 0%;
}

.pf-range-output {
    position: absolute;
    top: 0;
    left: var(--pf-range-left, 0px);
    transform: translateX(-50%) translateY(6px);
    background: var(--primary-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    line-height: 1.2;
    padding: 2px 8px;
    border-radius: 999px;
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    pointer-events: none;
    z-index: 2;
    font-variant-numeric: tabular-nums;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
}

.pf-range-output::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -4px;
    transform: translateX(-50%);
    border-width: 4px 4px 0 4px;
    border-style: solid;
    border-color: var(--primary-color) transparent transparent transparent;
}

.pf-range:hover .pf-range-output,
.pf-range:focus-within .pf-range-output {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.pf-range input[type="range"] {
    margin: 0;
}

.pf-sidebar input[type="range"] {
    width: 100%;
    margin: 8px 0 15px;
    cursor: pointer;
    height: 8px;
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--secondary-color) var(--pf-range-percent, 0%), var(--border-color) var(--pf-range-percent, 0%), var(--border-color) 100%);
    border-radius: 999px;
    appearance: none;
    transition: background 0.2s ease;
}

.pf-sidebar input[type="range"]::-webkit-slider-runnable-track {
    height: 8px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--secondary-color) 0%, var(--secondary-color) var(--pf-range-percent, 0%), var(--border-color) var(--pf-range-percent, 0%), var(--border-color) 100%);
    box-shadow: inset 0 0 0 1px rgba(31, 45, 58, 0.08);
}

.pf-sidebar input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
    margin-top: -6px;
}

.pf-sidebar input[type="range"]::-moz-range-track {
    height: 8px;
    border-radius: 999px;
    background: var(--border-color);
    box-shadow: inset 0 0 0 1px rgba(31, 45, 58, 0.08);
}

.pf-sidebar input[type="range"]::-moz-range-progress {
    height: 8px;
    border-radius: 999px;
    background: var(--secondary-color);
}

.pf-sidebar input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--secondary-color);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid white;
    box-shadow: var(--shadow-sm);
}

.pf-sidebar input[type="range"]:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.2), var(--shadow-sm);
}

.pf-sidebar input[type="range"]:focus::-moz-range-thumb {
    box-shadow: 0 0 0 4px rgba(52, 152, 219, 0.2), var(--shadow-sm);
}

.pf-sidebar input[type="number"] {
    width: 70px;
    background: white;
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 6px 8px;
    text-align: right;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
}

.pf-sidebar input[type="number"]:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

.pf-sidebar input[type="file"] {
    width: 100%;
    font-size: 0.85rem;
    background: var(--light-bg);
    color: var(--text-light);
    padding: 10px;
    border-radius: var(--border-radius-sm);
    border: 2px dashed var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.pf-sidebar input[type="file"]:hover {
    border-color: var(--secondary-color);
    background: white;
}

.pf-sidebar input[type="color"] {
    width: 100%;
    height: 40px;
    border: 2px solid var(--border-color);
    padding: 0;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    background: white;
    transition: var(--transition);
}

.pf-sidebar input[type="color"]:focus {
    border-color: var(--secondary-color);
}

/* Radio buttons grupo */
.pf-radio-group {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9rem;
    background: var(--light-bg);
    padding: 15px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.pf-radio-group label {
    margin: 0;
    cursor: pointer;
    color: var(--text-color);
    font-weight: 500;
}

.pf-radio-group input {
    accent-color: var(--secondary-color);
    margin-right: 8px;
}

/* Checkboxes */
.pf-chk {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
    margin-bottom: 8px;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    color: var(--text-color);
}

.pf-chk:hover {
    background: var(--light-bg);
}

.pf-chk input {
    width: 18px;
    height: 18px;
    accent-color: var(--secondary-color);
    border: 1px solid var(--border-color);
}

/* Info Box */
.pf-info-box {
    background: #e8f4fc;
    padding: 12px;
    text-align: center;
    color: var(--secondary-color);
    font-family: inherit;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    margin-top: 15px;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

/* Botón Guardar */
.pf-btn-save {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 12px 20px;
    width: 100%;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    font-size: 0.95rem;
    margin-top: 15px;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.pf-btn-save:hover {
    background: linear-gradient(135deg, #1f2d3a, #3a8bd6);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.pf-btn-save:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.25), var(--shadow-md);
}

/* --- ÁREA DE TRABAJO (CANVAS) --- */
.pf-workspace {
    flex-grow: 1;
    background: radial-gradient(circle at 15% 20%, rgba(52, 152, 219, 0.18), transparent 40%),
                radial-gradient(circle at 85% 10%, rgba(244, 163, 59, 0.18), transparent 45%),
                var(--light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.pf-workspace canvas {
    box-shadow: var(--shadow-md);
    max-width: 95%;
    max-height: 95%;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius-sm);
}

.pf-canvas-quality-note {
    display: none;
}

#pf-modal.pf-canvas-mode .pf-canvas-quality-note {
    display: block;
}

.pf-canvas-quality-note .pf-info-text {
    font-size: 0.88rem;
    color: #64748b;
    line-height: 1.45;
}

/* ============================================================
   3. RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
    .pf-modal-content {
        width: 98%;
        height: 95%;
    }

    .pf-sidebar {
        width: 300px;
    }
}

@media (max-width: 768px) {
    .pf-modal-content {
        flex-direction: column;
        height: 95%;
    }

    .pf-sidebar {
        width: 100%;
        height: 40%;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }

    .pf-workspace {
        height: 60%;
    }

    .photoframe-entry {
        flex-direction: column;
        align-items: stretch;
    }

    .photoframe-entry .photoframe-toggle {
        width: 100%;
        justify-content: center;
    }

    .photoframe-entry .pf-help-stack {
        width: 100%;
        justify-content: space-between;
    }
}

/* ============================================================
   4. ANIMACIONES DE ENTRADA
   ============================================================ */
@keyframes pfFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes pfSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================
   5. ESTADOS DE INTERACCIÓN
   ============================================================ */
.pf-sidebar input:focus,
.pf-sidebar select:focus,
.pf-sidebar textarea:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Estado activo para botones */
.pf-btn-save:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

/* Deshabilitado */
.pf-sidebar input:disabled,
.pf-sidebar select:disabled,
.pf-btn-save:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================================
   6. ESTILOS ESPECÍFICOS PARA INPUTS Y SELECTS
   ============================================================ */
.pf-sidebar select {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: white;
    color: var(--text-color);
    font-size: 0.9rem;
    transition: var(--transition);
    cursor: pointer;
}

.pf-sidebar select:focus {
    border-color: var(--secondary-color);
    outline: none;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* ============================================================
   7. BOTONES ADICIONALES (si existen en tu código)
   ============================================================ */
.pf-btn {
    padding: 0.5rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid;
    cursor: pointer;
}

.pf-btn-outline {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
    background: transparent;
}

.pf-btn-outline:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ============================================================
   8. COLOR SELECTOR STYLES - MEJORADO (PASPARTÚ)
   ============================================================ */

/* Contenedor principal del selector de color */
.pf-sidebar #color_options_block {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 12px;
    margin-left: 0px;
}

#color_options_block {
    margin-top: 15px;
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Etiqueta del selector */
.form-control-label.mb-3 {
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 10px !important;
    display: block !important;
    width: 100% !important;
    text-align: center !important;
}

/* Wrapper de selección de color (Caja visible cerrada) */
.color-selection-wrapper {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 12px;
    margin-bottom: 10px;
    padding: 10px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
    width: 100%;
    box-sizing: border-box;
}

/* Vista previa del color seleccionado (cuadradito) */
.color-selection-preview {
    width: 36px;
    height: 36px;
    min-width: 36px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background: #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

/* Patrón de ajedrez para transparencia o fondo vacío */
.color-selection-preview:empty {
    background-image:
        linear-gradient(45deg, #ccc 25%, transparent 25%),
        linear-gradient(-45deg, #ccc 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #ccc 75%),
        linear-gradient(-45deg, transparent 75%, #ccc 75%);
    background-size: 10px 10px;
    background-position: 0 0, 0 5px, 5px -5px, -5px 0px;
}

.color-selection-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Botón "Seleccionar color" */
#pf_btn_open_colors.btn-outline-primary {
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    background: transparent;
    padding: 6px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

#pf_btn_open_colors.btn-outline-primary:hover {
    background-color: var(--secondary-color);
    color: white;
    box-shadow: 0 2px 5px rgba(52, 152, 219, 0.3);
}

/* Nombre del color seleccionado (texto) */
.selected-color-name {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}

/* --- CUADRÍCULA DE COLORES (DESPLEGABLE) --- */

/* Contenedor desplegable */
.color-grid-container {
    margin-top: 10px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 100;
    width: 100%;
    box-sizing: border-box;
    left: 0;
}

/* Grid de opciones de color */
.color-palette {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 8px;
    padding: 12px;
    max-height: 250px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

/* Estilos Scrollbar Webkit (Chrome, Safari, Edge) */
.color-palette::-webkit-scrollbar {
    width: 6px;
}

.color-palette::-webkit-scrollbar-track {
    background: transparent;
}

.color-palette::-webkit-scrollbar-thumb {
    background-color: #ccc;
    border-radius: 3px;
}

/* Opción de color individual */
.color-option {
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    overflow: hidden;
    position: relative;
    transition: transform 0.2s ease, border-color 0.2s ease;
    background: white;
}

.color-option img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Efecto Hover */
.color-option:hover {
    transform: scale(1.1);
    border-color: var(--secondary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

/* Animación de apertura suave */
.color-grid-container[style*="display: block"] {
    animation: slideDownFade 0.2s ease-out;
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}