/* ============================================================
   PAPERLIENZO STYLES - EL LIENZO CREATIVO DE PAPERTOOLS
   Diseño inspirado en Canva con estética moderna, dark/light mode
   y paleta oficial de PaperTools.
   ============================================================ */

:root {
    --bg-dark: #070c18;
    --bg-header: #0f172a;
    --bg-rail: #090e1a;
    --bg-drawer: #0f172a;
    --bg-card: #131d35;
    --bg-card-hover: #1e293b;
    --bg-input: #0b1220;
    --border-color: rgba(255, 255, 255, 0.09);
    --border-highlight: rgba(99, 102, 241, 0.4);
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.35);
    --accent-purple: #a855f7;
    --accent-cyan: #06b6d4;
    --accent-amber: #f59e0b;
    --accent-emerald: #10b981;
    --accent-rose: #f43f5e;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --desk-bg: #1e2538;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Modo Claro y Oscuro sincronizado con PaperTools (data-mode="light" / data-mode="dark") */
html[data-mode="light"],
[data-mode="light"] body,
body.theme-light {
    --bg-dark: #f8fafc;
    --bg-header: #ffffff;
    --bg-rail: #f1f5f9;
    --bg-drawer: #ffffff;
    --bg-card: #f8fafc;
    --bg-card-hover: #e2e8f0;
    --bg-input: #ffffff;
    --border-color: rgba(0, 0, 0, 0.09);
    --border-highlight: rgba(99, 102, 241, 0.35);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --desk-bg: #e2e8f0;
}

html[data-mode="dark"],
[data-mode="dark"] body {
    --bg-dark: #070c18;
    --bg-header: #0f172a;
    --bg-rail: #090e1a;
    --bg-drawer: #0f172a;
    --bg-card: #131d35;
    --bg-card-hover: #1e293b;
    --bg-input: #0b1220;
    --border-color: rgba(255, 255, 255, 0.09);
    --border-highlight: rgba(99, 102, 241, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --desk-bg: #1e2538;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
}

/* ============================================================
   TOP APP HEADER (ESTILO CANVA MODERNO)
   ============================================================ */
.canva-top-header {
    height: 52px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 14px;
    z-index: 50;
    user-select: none;
}

.header-left-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-home-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: inherit;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.brand-home-link:hover {
    background: rgba(255, 255, 255, 0.06);
}

.brand-logo-img {
    height: 28px;
    width: auto;
}

.brand-text-canva {
    font-weight: 800;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #38bdf8 0%, #818cf8 50%, #c084fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-menu-bar {
    display: flex;
    align-items: center;
    gap: 4px;
}

.menu-trigger-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.84rem;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.menu-trigger-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.cloud-sync-status {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.76rem;
    color: #34d399;
    padding: 3px 8px;
    background: rgba(16, 185, 129, 0.12);
    border-radius: 999px;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.header-center-title {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    min-width: 140px;
    max-width: 280px;
}

.doc-title-input {
    width: 100%;
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    outline: none;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
    transition: var(--transition);
}

.doc-title-input:hover {
    border-color: var(--border-color);
}

.doc-title-input:focus {
    background: var(--bg-input);
    border-color: var(--accent);
}

.header-right-group {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.btn-header-action {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 11px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-header-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-header-secondary:hover {
    background: rgba(255, 255, 255, 0.14);
}

.btn-header-primary {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
}

.btn-header-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.5);
}

.system-nav-mini {
    display: flex;
    align-items: center;
    gap: 4px;
    border-left: 1px solid var(--border-color);
    padding-left: 8px;
    flex-shrink: 0;
}

.nav-pill-mini {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 5px 8px;
    border-radius: 6px;
    white-space: nowrap;
    line-height: 1;
    flex-shrink: 0;
    transition: var(--transition);
}

.nav-pill-mini:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* ============================================================
   MAIN WORKSPACE CONTAINER
   ============================================================ */
.canva-workspace-container {
    display: flex;
    flex: 1;
    height: calc(100vh - 52px);
    position: relative;
    overflow: hidden;
}

/* ============================================================
   LEFT VERTICAL ICON RAIL
   ============================================================ */
.canva-left-rail {
    width: 72px;
    background: var(--bg-rail);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0;
    gap: 4px;
    z-index: 40;
    user-select: none;
    overflow-y: auto;
}

.rail-tab-btn {
    width: 62px;
    padding: 10px 4px;
    background: transparent;
    border: none;
    border-radius: 8px;
    color: var(--text-secondary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.rail-tab-btn .tab-icon {
    font-size: 1.25rem;
}

.rail-tab-btn .tab-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.rail-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.rail-tab-btn.active {
    color: #ffffff;
    background: rgba(99, 102, 241, 0.18);
    border-left: 3px solid var(--accent);
}

/* ============================================================
   FLYOUT DRAWER / HERRAMIENTAS PANEL
   ============================================================ */
.canva-flyout-drawer {
    width: 350px;
    background: var(--bg-drawer);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 30;
    transition: width 0.25s ease, transform 0.25s ease;
    overflow: hidden;
    position: relative;
}

.canva-flyout-drawer.collapsed {
    width: 0;
    border-right: none;
}

.drawer-header {
    padding: 14px 16px 10px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.drawer-title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.drawer-title {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text-primary);
}

.btn-drawer-collapse {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.btn-drawer-collapse:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
}

.drawer-content-scroll {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Buscador en drawer */
.drawer-search-box {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.drawer-search-input {
    width: 100%;
    height: 38px;
    padding: 0 16px 0 38px !important;
    background: var(--bg-card);
    border: 1.5px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 500;
    outline: none;
    transition: var(--transition);
    box-sizing: border-box;
}

.drawer-search-box.has-action .drawer-search-input,
.drawer-search-box:has(.btn-libre-action) .drawer-search-input {
    padding-right: 42px !important;
}

.drawer-search-input:focus {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.drawer-search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.88rem;
    color: var(--accent);
    pointer-events: none;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.drawer-search-box .btn-libre-action {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent);
    border: none;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--transition);
    z-index: 2;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.35);
}

.drawer-search-box .btn-libre-action:hover {
    filter: brightness(1.15);
    transform: translateY(-50%) scale(1.08);
}

/* Category Chips Bar & Chips */
.elem-category-chips-bar {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin: 8px 0 16px 0;
    padding-bottom: 4px;
}

.elem-cat-chip {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.elem-cat-chip:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--accent);
    transform: translateY(-1px);
}

.elem-cat-chip.active {
    background: linear-gradient(135deg, #6366f1, #a855f7) !important;
    color: #ffffff !important;
    border-color: transparent !important;
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.35) !important;
    font-weight: 700;
}

/* Secciones y categorías dentro del drawer */
.drawer-section-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Grillas de elementos tipo Canva */
.grid-elements-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.grid-elements-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.grid-elements-4col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.item-thumb-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    cursor: pointer;
    transition: var(--transition);
    user-select: none;
}

.item-thumb-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.item-thumb-card svg {
    width: 32px;
    height: 32px;
}

.item-thumb-card .card-caption {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
}

/* Botones para agregar texto estilo Canva */
.btn-canva-text-preset {
    width: 100%;
    padding: 12px 14px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 3px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-canva-text-preset:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateX(2px);
}

.btn-add-title-preset {
    font-size: 1.25rem;
    font-weight: 800;
}

.btn-add-subtitle-preset {
    font-size: 0.95rem;
    font-weight: 700;
}

.btn-add-body-preset {
    font-size: 0.82rem;
    font-weight: 500;
}

/* ============================================================
   PANEL HERRAMIENTAS ESPECIALES (LABERINTOS, SOPAS, CRUCIGRAMAS)
   ============================================================ */
.tool-tabs-switcher {
    display: flex;
    background: var(--bg-input);
    border-radius: 8px;
    padding: 3px;
    gap: 3px;
    margin-bottom: 12px;
}

.tool-tab-toggle {
    flex: 1;
    padding: 7px 4px;
    font-size: 0.75rem;
    font-weight: 700;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.tool-tab-toggle.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 8px var(--accent-glow);
}

.tool-form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: var(--bg-card);
    padding: 12px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.form-row-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.field-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 4px;
}

.field-input, .field-select, .field-textarea {
    width: 100%;
    padding: 7px 10px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.82rem;
    outline: none;
    transition: var(--transition);
}

.field-input:focus, .field-select:focus, .field-textarea:focus {
    border-color: var(--accent);
}

.btn-generate-tool {
    width: 100%;
    padding: 10px 14px;
    border: none;
    border-radius: 8px;
    font-weight: 800;
    font-size: 0.85rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition);
}

.btn-generate-primary {
    background: linear-gradient(135deg, #6366f1, #a855f7);
    color: #ffffff;
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-generate-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(99, 102, 241, 0.45);
}

.btn-generate-ai {
    background: linear-gradient(135deg, #ec4899, #8b5cf6);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

.btn-generate-ai:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(236, 72, 153, 0.45);
}

.tool-preview-box {
    margin-top: 10px;
    padding: 8px;
    background: #ffffff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    overflow: hidden;
}

/* ============================================================
   CENTER CANVAS WORKSPACE & DESK
   ============================================================ */
.canva-center-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--desk-bg);
    position: relative;
    overflow: hidden;
}

/* Contextual Action Bar (Sobre el lienzo, visible con selección) */
.canva-context-bar {
    height: 48px;
    background: var(--bg-header);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 10px;
    z-index: 20;
    user-select: none;
    overflow-x: auto;
}

.cbar-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cbar-divider {
    width: 1px;
    height: 22px;
    background: var(--border-color);
    margin: 0 4px;
}

.cbar-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 6px 8px;
    border-radius: 6px;
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.cbar-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.cbar-btn.active {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent);
    color: #ffffff;
}

.cbar-select {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.82rem;
    padding: 5px 8px;
    border-radius: 6px;
    outline: none;
}

.cbar-color-input {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    padding: 0;
    cursor: pointer;
    background: transparent;
}

/* Mesa de trabajo central con scroll e infinite desk */
.canva-desk-scrollable {
    flex: 1;
    overflow: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 40px 100px 40px;
    position: relative;
    user-select: none;
    min-width: 0;
    min-height: 0;
}

.canva-paper-sheet {
    background: #ffffff;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.08);
    border-radius: 2px;
    position: relative;
    transition: transform 0.15s ease;
    transform-origin: center top;
    flex-shrink: 0;
    margin: 20px auto 60px auto;
}

.canva-paper-sheet canvas {
    display: block;
    touch-action: none;
    cursor: default;
}

/* Editor de Texto Inline sobre el lienzo (doble clic) */
#canvas-inline-editor {
    position: absolute;
    box-sizing: border-box;
    background: rgba(255, 255, 255, 0.98);
    border: 2px solid #6366f1;
    border-radius: 6px;
    padding: 4px 6px;
    outline: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    z-index: 150;
    resize: both;
    overflow: hidden;
    line-height: 1.25;
}

.sheet-page-header {
    position: absolute;
    top: -30px;
    left: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
}

/* ============================================================
   BOTTOM STATUS BAR (ZOOM, PAGINAS)
   ============================================================ */
.canva-bottom-bar {
    height: 42px;
    background: var(--bg-header);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 20;
    font-size: 0.8rem;
    user-select: none;
}

.bottom-left-info {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-weight: 600;
}

.bottom-right-zoom {
    display: flex;
    align-items: center;
    gap: 8px;
}

.zoom-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 800;
    cursor: pointer;
    width: 26px;
    height: 26px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.zoom-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.zoom-slider {
    width: 90px;
    accent-color: var(--accent);
    cursor: pointer;
}

.zoom-pct-badge {
    font-weight: 700;
    color: var(--text-primary);
    min-width: 44px;
    text-align: center;
}

/* ============================================================
   MODALES (DESCARGA, REDIMENSIONAR, IMPORTAR)
   ============================================================ */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999 !important;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.modal-overlay.active,
.modal-overlay[style*="display: flex"] {
    opacity: 1 !important;
    pointer-events: auto !important;
    visibility: visible !important;
}

.modal-dialog {
    background: var(--bg-drawer, #1e293b);
    border: 1px solid var(--border-highlight, rgba(99, 102, 241, 0.4));
    border-radius: var(--radius-lg, 16px);
    width: 90%;
    max-width: 480px;
    padding: 24px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    gap: 16px;
    transform: translateY(0) scale(1) !important;
    color: var(--text-primary, #ffffff);
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
}

.export-formats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.btn-export-option {
    padding: 14px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-export-option:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* Toast */
.canva-toast {
    position: fixed;
    bottom: 56px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #0f172a;
    color: #f8fafc;
    border: 1px solid var(--accent);
    padding: 10px 20px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 200;
}

.canva-toast.show,
.canva-toast.active {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Botón de Traer Diseño de Estudio */
.btn-header-import {
    background: linear-gradient(135deg, #0ea5e9, #6366f1);
    color: #ffffff;
    border: none;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.35);
}
.btn-header-import:hover {
    background: linear-gradient(135deg, #0284c7, #4f46e5);
    transform: translateY(-1px);
}

/* Indicador de Lienzo en Blanco */
.blank-canvas-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.88);
    border: 2px dashed #94a3b8;
    border-radius: 18px;
    max-width: 440px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    pointer-events: auto;
    z-index: 5;
    transition: opacity 0.25s ease;
}

[data-mode="dark"] .blank-canvas-overlay {
    background: rgba(15, 23, 42, 0.92);
    border-color: #334155;
}

.blank-canvas-overlay.hidden {
    display: none !important;
}

.blank-icon {
    font-size: 2.8rem;
    margin-bottom: 8px;
}

.blank-title {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--text-primary);
    margin: 0 0 6px 0;
}

.blank-subtitle {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0 0 16px 0;
    line-height: 1.45;
}

.btn-blank-import {
    background: linear-gradient(135deg, #0284c7, #6366f1);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-weight: 700;
    font-size: 0.86rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
    transition: transform 0.15s ease;
}

.btn-blank-import:hover {
    transform: scale(1.03);
}

/* ============================================================
   ESTILOS MODERNOS DE CAPAS DEL DISEÑO (CON DRAG & DROP)
   ============================================================ */
.layers-stack-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 10px 0;
}

.layer-item-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 9px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
    position: relative;
    box-sizing: border-box;
}

.layer-item-row:hover {
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(2px);
}

.layer-item-row.active {
    background: rgba(99, 102, 241, 0.2) !important;
    border-color: #6366f1 !important;
    box-shadow: 0 0 14px rgba(99, 102, 241, 0.28);
}

.layer-item-row.is-dragging {
    opacity: 0.35;
    transform: scale(0.97);
    border: 1.5px dashed #6366f1;
}

.layer-item-row.drag-over-top {
    border-top: 3px solid #6366f1 !important;
    box-shadow: 0 -4px 12px rgba(99, 102, 241, 0.4);
}

.layer-item-row.drag-over-bottom {
    border-bottom: 3px solid #6366f1 !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.layer-drag-handle {
    cursor: grab;
    color: #64748b;
    font-size: 0.85rem;
    padding: 4px 3px;
    display: flex;
    align-items: center;
    transition: color 0.15s ease;
    flex-shrink: 0;
}

.layer-drag-handle:hover {
    color: #a5b4fc;
}

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

.layer-item-info {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.layer-item-icon {
    font-size: 0.95rem;
    flex-shrink: 0;
}

.layer-item-label {
    font-size: 0.83rem;
    font-weight: 700;
    color: #f1f5f9;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    letter-spacing: -0.2px;
}

.layer-item-row.active .layer-item-label {
    color: #a5b4fc;
}

.layer-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.btn-layer-tool {
    width: 26px;
    height: 26px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: #cbd5e1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.72rem;
    padding: 0;
    transition: all 0.15s ease;
}

.btn-layer-tool:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.btn-layer-tool.btn-layer-del:hover {
    background: rgba(239, 68, 68, 0.28);
    border-color: rgba(239, 68, 68, 0.55);
    color: #f87171;
}

[data-mode="light"] .layer-item-row {
    background: #ffffff;
    border-color: #e2e8f0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

[data-mode="light"] .layer-item-row:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
}

[data-mode="light"] .layer-item-row.active {
    background: #eef2ff !important;
    border-color: #6366f1 !important;
}

[data-mode="light"] .layer-item-label {
    color: #0f172a;
}

[data-mode="light"] .layer-item-row.active .layer-item-label {
    color: #4f46e5;
}

[data-mode="light"] .btn-layer-tool {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: #475569;
}

[data-mode="light"] .btn-layer-tool:hover {
    background: #e2e8f0;
    color: #0f172a;
}

/* ============================================================
   TABLER ICONS STYLES & CONTROLS
   ============================================================ */
.tabler-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 6px 8px;
    background: rgba(0, 0, 0, 0.16);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
}

.icon-style-toggle-group {
    display: flex;
    background: rgba(0, 0, 0, 0.2);
    padding: 2px;
    border-radius: var(--radius-sm);
    gap: 2px;
}

.btn-icon-style {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.btn-icon-style.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 6px rgba(99, 102, 241, 0.3);
}

.icon-quick-color-wrap {
    display: flex;
    align-items: center;
    gap: 5px;
}

.btn-upload-svg-pill {
    background: rgba(255, 255, 255, 0.08);
    border: 1px dashed var(--border-highlight);
    color: var(--text-primary);
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition);
}

.btn-upload-svg-pill:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: var(--accent);
    color: #ffffff;
}

.grid-density-toggle {
    display: inline-flex;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px;
    gap: 2px;
}

.btn-density {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.68rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-density:hover {
    color: var(--text-primary);
}

.btn-density.active {
    background: var(--accent);
    color: #ffffff;
}

.grid-tabler-icons {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    width: 100%;
    box-sizing: border-box;
    padding: 2px 0 10px;
}

.grid-tabler-icons.cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tabler-icon-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 7px 4px 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    position: relative;
    box-sizing: border-box;
    min-width: 0;
    width: 100%;
    overflow: hidden;
}

.tabler-icon-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
    background: var(--bg-card-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.tabler-icon-card .tabler-svg-wrap {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.tabler-icon-card:hover .tabler-svg-wrap {
    transform: scale(1.14);
}

.tabler-icon-card svg {
    width: 22px;
    height: 22px;
    display: block;
}

.tabler-icon-card .tabler-caption {
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 2px;
    box-sizing: border-box;
    line-height: 1.2;
}

/* ============================================================
   SUBTABS SISTEMA / ELEMENTOS
   ============================================================ */
.elem-subtabs-segmented {
    display: flex;
    background: rgba(255, 255, 255, 0.05);
    padding: 3px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 12px;
    gap: 3px;
}

.elem-subtab-pill {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 7px 10px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.elem-subtab-pill:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.04);
}

.elem-subtab-pill.active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

/* ============================================================
   LIBRECLIPART & VECTORES CC0 STYLES
   ============================================================ */
.libre-quick-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 6px 0;
}

.libre-tag-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 2px 8px;
    cursor: pointer;
    transition: var(--transition);
}

.libre-tag-btn:hover {
    background: rgba(99, 102, 241, 0.15);
    border-color: var(--accent);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.libre-url-import-bar {
    display: flex;
    gap: 6px;
    align-items: center;
}

.btn-libre-action {
    background: var(--accent);
    border: none;
    color: #ffffff;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.btn-libre-action:hover {
    filter: brightness(1.15);
    transform: scale(1.05);
}

.libreclipart-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.libreclipart-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-highlight);
    background: var(--bg-card-hover);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.libreclipart-card .clipart-preview-wrap {
    width: 100%;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.libreclipart-card img,
.libreclipart-card svg {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.2s ease;
}

.libreclipart-card:hover img,
.libreclipart-card:hover svg {
    transform: scale(1.1);
}

.libreclipart-card .clipart-title {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-align: center;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   CATÁLOGO MAESTRO DE TIPOGRAFÍAS (+60) STYLES
   ============================================================ */
.fonts-catalog-list {
    max-height: 480px;
    overflow-y: auto;
    padding-right: 4px;
}

.font-preview-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.font-preview-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateX(2px);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.font-preview-card.active {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.12);
}

.font-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.font-card-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-primary);
}

.font-card-badge {
    font-size: 0.62rem;
    font-weight: 700;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 6px;
    border-radius: 999px;
}

.font-card-sample {
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.font-card-apply-hint {
    font-size: 0.65rem;
    color: var(--accent);
    font-weight: 600;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.font-preview-card:hover .font-card-apply-hint {
    opacity: 1;
}

/* Light mode overrides */
[data-mode="light"] .tabler-controls-bar {
    background: #f1f5f9;
}

[data-mode="light"] .icon-style-toggle-group {
    background: #e2e8f0;
}

[data-mode="light"] .tabler-icon-card,
[data-mode="light"] .libreclipart-card,
[data-mode="light"] .font-preview-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-mode="light"] .tabler-icon-card:hover,
[data-mode="light"] .libreclipart-card:hover,
[data-mode="light"] .font-preview-card:hover {
    background: #f8fafc;
    border-color: var(--accent);
}

[data-mode="light"] .libre-tag-btn {
    background: #f1f5f9;
    color: #475569;
}

/* ============================================================
   LIBRERÍA DE MARCOS DE FIGURAS (+37 PRESETS)
   ============================================================ */
.grid-frames-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-top: 8px;
    padding-bottom: 24px;
}

.frame-thumb-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    user-select: none;
}

.frame-thumb-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
    background: var(--bg-card-hover);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}

.frame-thumb-canvas-wrap {
    width: 100%;
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.12);
    border-radius: 6px;
    overflow: hidden;
}

.frame-thumb-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.25));
    transition: transform 0.2s ease;
}

.frame-thumb-card:hover .frame-thumb-canvas {
    transform: scale(1.06);
}

.frame-thumb-name {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.frame-thumb-cat-badge {
    font-size: 0.58rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
    padding: 1px 5px;
    border-radius: 4px;
    letter-spacing: 0.3px;
}

/* ============================================================
   COPILOTO AI: SPRITE MASCOT & FLOATING ASSISTANT PANEL
   ============================================================ */
.copilot-sprite-wrap {
    position: absolute;
    bottom: 54px;
    right: 24px;
    z-index: 120;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: copilot-hover 4s ease-in-out infinite;
}

.copilot-sprite-wrap:hover {
    transform: scale(1.08) translateY(-4px);
}

.copilot-sprite-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(168, 85, 247, 0.3));
    border: 2px solid rgba(129, 140, 248, 0.6);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4), 0 0 15px rgba(56, 189, 248, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
    transition: box-shadow 0.3s ease;
}

.copilot-sprite-wrap:hover .copilot-sprite-avatar {
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.6), 0 0 25px rgba(56, 189, 248, 0.5);
    border-color: #38bdf8;
}

.copilot-svg-character {
    width: 38px;
    height: 38px;
}

.copilot-eye {
    animation: copilot-eye-blink 4.5s infinite;
    transform-origin: center;
}

.copilot-sprite-badge {
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(99, 102, 241, 0.4);
    backdrop-filter: blur(10px);
    padding: 6px 12px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}

.copilot-pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #10b981;
    box-shadow: 0 0 8px #10b981;
    animation: copilot-pulse 2s infinite;
}

.copilot-badge-text {
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.2px;
    background: linear-gradient(135deg, #a5b4fc, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Panel Flotante Glassmorphism */
.copilot-floating-panel {
    position: absolute;
    bottom: 114px;
    right: 24px;
    width: 390px;
    max-width: calc(100vw - 48px);
    height: 540px;
    max-height: calc(100vh - 160px);
    background: rgba(15, 23, 42, 0.92);
    border: 1px solid rgba(99, 102, 241, 0.4);
    border-radius: 18px;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 30px rgba(99, 102, 241, 0.25);
    backdrop-filter: blur(20px);
    z-index: 130;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: copilot-panel-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.copilot-panel-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--border-color);
}

.copilot-header-avatar {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #a855f7);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
}

.copilot-header-info {
    flex: 1;
    min-width: 0;
}

.copilot-title {
    font-size: 0.85rem;
    font-weight: 800;
    color: #f8fafc;
    letter-spacing: -0.2px;
}

.copilot-subtitle {
    font-size: 0.68rem;
    color: #94a3b8;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.copilot-header-buttons {
    display: flex;
    gap: 4px;
}

.copilot-tool-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 0.82rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.copilot-tool-btn:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.1);
}

.copilot-canvas-summary-badge {
    background: rgba(99, 102, 241, 0.08);
    border-bottom: 1px solid rgba(99, 102, 241, 0.2);
    padding: 6px 14px;
    font-size: 0.72rem;
    color: #cbd5e1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copilot-refresh-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 0.72rem;
    padding: 2px 6px;
    border-radius: 4px;
    transition: transform 0.2s ease;
}

.copilot-refresh-btn:hover {
    transform: rotate(90deg);
}

.copilot-chat-history {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.copilot-chat-bubble {
    display: flex;
    gap: 8px;
    max-width: 92%;
    animation: copilot-msg-fade 0.25s ease;
}

.copilot-chat-bubble.assistant {
    align-self: flex-start;
}

.copilot-chat-bubble.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.bubble-avatar {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    background: rgba(99, 102, 241, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.bubble-content {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 8px 12px;
    font-size: 0.8rem;
    color: #f1f5f9;
    line-height: 1.45;
    word-break: break-word;
}

.copilot-chat-bubble.user .bubble-content {
    background: linear-gradient(135deg, #4f46e5, #6366f1);
    border-color: #6366f1;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.copilot-quick-prompts-bar {
    display: flex;
    gap: 6px;
    padding: 8px 12px;
    overflow-x: auto;
    background: rgba(0, 0, 0, 0.15);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    scrollbar-width: none;
}

.copilot-quick-prompts-bar::-webkit-scrollbar {
    display: none;
}

.copilot-prompt-pill {
    background: rgba(99, 102, 241, 0.12);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: #c7d2fe;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 999px;
    white-space: nowrap;
    cursor: pointer;
    transition: var(--transition);
}

.copilot-prompt-pill:hover {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
    transform: translateY(-1px);
}

.copilot-input-area {
    display: flex;
    gap: 8px;
    padding: 10px 12px;
    background: rgba(15, 23, 42, 0.95);
    border-top: 1px solid var(--border-color);
}

.copilot-text-input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 9px 12px;
    color: #ffffff;
    font-size: 0.8rem;
    outline: none;
    transition: var(--transition);
}

.copilot-text-input:focus {
    border-color: var(--accent);
    background: rgba(255, 255, 255, 0.09);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.copilot-send-button {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border: none;
    color: #ffffff;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    transition: var(--transition);
}

.copilot-send-button:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 18px rgba(99, 102, 241, 0.6);
}

.copilot-send-button:active {
    transform: scale(0.96);
}

/* Animaciones del Copiloto */
@keyframes copilot-hover {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-7px); }
}

@keyframes copilot-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes copilot-eye-blink {
    0%, 94%, 98%, 100% { transform: scaleY(1); }
    96% { transform: scaleY(0.1); }
}

@keyframes copilot-panel-in {
    from { opacity: 0; transform: translateY(16px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes copilot-msg-fade {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Modo claro para Copiloto y Marcos */
[data-mode="light"] .frame-thumb-card {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
}

[data-mode="light"] .frame-thumb-card:hover {
    background: #f8fafc;
    border-color: var(--accent);
}

[data-mode="light"] .frame-thumb-canvas-wrap {
    background: #f1f5f9;
}

[data-mode="light"] .copilot-floating-panel {
    background: rgba(255, 255, 255, 0.96);
    border-color: rgba(99, 102, 241, 0.3);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.15), 0 0 30px rgba(99, 102, 241, 0.12);
}

[data-mode="light"] .copilot-title {
    color: #0f172a;
}

[data-mode="light"] .bubble-content {
    background: #f1f5f9;
    border-color: #e2e8f0;
    color: #1e293b;
}

[data-mode="light"] .copilot-text-input {
    background: #f8fafc;
    border-color: #cbd5e1;
    color: #0f172a;
}

[data-mode="light"] .copilot-input-area {
    background: #ffffff;
}

/* ============================================================
   PALETAS, SWATCHES CIRCULARES Y SELECTOR DE DEGRADADOS
   ============================================================ */
.color-swatch-circle {
    width: 36px;
    height: 36px;
    border-radius: 50% !important;
    border: 2px solid rgba(255, 255, 255, 0.16) !important;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
    padding: 0 !important;
    margin: 0 auto;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    outline: none;
    box-sizing: border-box;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.28);
    -webkit-appearance: none;
    appearance: none;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
}

.color-swatch-circle:hover {
    transform: scale(1.14);
    border-color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.45);
    z-index: 2;
}

[data-mode="light"] .color-swatch-circle {
    border-color: rgba(0, 0, 0, 0.14) !important;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.12);
}

[data-mode="light"] .color-swatch-circle:hover {
    border-color: var(--accent) !important;
}

.color-picker-label {
    position: relative;
    overflow: hidden;
    background: conic-gradient(red, yellow, lime, aqua, blue, magenta, red);
    border: 2px solid rgba(255, 255, 255, 0.35) !important;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.color-picker-label input[type="color"] {
    position: absolute;
    inset: -20px;
    width: 80px;
    height: 80px;
    opacity: 0;
    cursor: pointer;
    border: none;
    padding: 0;
    margin: 0;
}

.btn-bg-transparent-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px dashed rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 12px;
}

.btn-bg-transparent-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

/* Creador de Degradado Personalizado */
.custom-gradient-box {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 10px;
    margin-bottom: 14px;
}

.gradient-preview-bar {
    width: 100%;
    height: 44px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    margin-bottom: 10px;
    box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
    transition: background 0.2s ease;
}

.gradient-angle-btn {
    flex: 1;
    padding: 4px 2px;
    font-size: 0.7rem;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: 0.15s;
}

.gradient-angle-btn.active,
.gradient-angle-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #ffffff;
}

/* Galería de Degradados Modernos */
.gradient-card-btn {
    border-radius: var(--radius-sm);
    height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
    display: flex;
    align-items: flex-end;
    padding: 5px 8px;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    outline: none;
}

.gradient-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.4);
    border-color: rgba(255, 255, 255, 0.4);
}

.gradient-card-title {
    font-size: 0.68rem;
    font-weight: 800;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.85);
    pointer-events: none;
}

/* Paleta de Múltiples Colores para SVG (Estilo Canva) */
.cbar-multi-palette {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 6px;
    background: rgba(0, 0, 0, 0.18);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.cbar-svg-color-swatch {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.4);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s;
    flex-shrink: 0;
}

.cbar-svg-color-swatch:hover {
    transform: scale(1.22);
    border-color: #ffffff;
    z-index: 2;
}

.cbar-svg-color-swatch input[type="color"] {
    position: absolute;
    inset: -15px;
    width: 50px;
    height: 50px;
    opacity: 0;
    cursor: pointer;
}