/* ==========================================================================
   VARIABLES Y DISEÑO BASE (Workspace de Flujos)
   ========================================================================== */
:root {
    --bg-dark: #070a13;
    --bg-darker: #04060c;
    --primary: #ff6d5a; /* n8n Orange-Red */
    --primary-glow: rgba(255, 109, 90, 0.35);
    --secondary: #06b6d4; /* Neon Cyan */
    --secondary-glow: rgba(6, 182, 212, 0.35);
    --success: #10b981; /* Neon Green */
    --success-glow: rgba(16, 185, 129, 0.35);
    --card-bg: rgba(15, 23, 42, 0.65);
    --card-border: rgba(255, 255, 255, 0.06);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --font-sans: 'Inter', sans-serif;
    --font-title: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'Fira Code', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body, html {
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    overflow: hidden;
}

/* ==========================================================================
   ELEMENTOS COMUNES & BOTONES
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #e05442 100%);
    color: #fff;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(255, 109, 90, 0.5);
}

/* ==========================================================================
   DISEÑO CONTENEDORES PRINCIPALES (WORKSPACE)
   ========================================================================== */
.workspace-container {
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
}

/* Header superior del Workspace */
.workspace-header {
    height: 60px;
    background: var(--bg-darker);
    border-bottom: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    z-index: 100;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--text-main);
}

.workspace-title-box {
    display: flex;
    align-items: center;
    gap: 8px;
}

.workspace-title-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary);
    background: rgba(255, 109, 90, 0.08);
    border: 1px solid rgba(255, 109, 90, 0.2);
    padding: 3px 8px;
    border-radius: 4px;
}

.workspace-title {
    font-family: var(--font-title);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
}

/* Cuerpo principal del Workspace */
.workspace-body {
    display: flex;
    flex: 1;
    height: calc(100vh - 60px);
    overflow: hidden;
}

/* Sidebar lateral de flujos */
.workspace-sidebar {
    width: 320px;
    background: var(--bg-darker);
    border-right: 1px solid var(--card-border);
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 24px;
    height: 100%;
    flex-shrink: 0;
}

.sidebar-header h3 {
    font-family: var(--font-title);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

.workflow-selector-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.workflow-selector-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 14px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 14px;
    transition: var(--transition);
}

.workflow-selector-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}

.workflow-selector-item.active {
    background: rgba(6, 182, 212, 0.05);
    border-color: var(--secondary);
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.1);
}

.selector-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: var(--transition);
}

.workflow-selector-item.active .selector-dot {
    background: var(--secondary);
    box-shadow: 0 0 8px var(--secondary-glow);
}

.selector-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.selector-title {
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.selector-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.flow-message-box {
    margin-top: auto;
    background: rgba(255, 109, 90, 0.04);
    border: 1px dashed rgba(255, 109, 90, 0.2);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.flow-message-badge {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.flow-message-box p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* Área de Canvas y Consola */
.workspace-canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    background: #04060c;
    overflow: hidden;
    position: relative;
}

.canvas-workspace {
    flex: 1;
    position: relative;
    overflow: auto;
    min-height: 320px;
}

.canvas-workspace-inner {
    position: relative;
    width: 1100px;
    height: 100%;
    min-height: 400px;
    /* Cuadrícula de n8n más fina */
    background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Nodos dentro del Canvas */
.canvas-node {
    position: absolute;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    width: 220px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    z-index: 15;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translate(-50%, -50%);
}

.canvas-node.active {
    border-color: var(--node-color, var(--primary));
    box-shadow: 0 0 20px var(--node-glow, var(--primary-glow)), 0 8px 20px rgba(0, 0, 0, 0.5);
}

.canvas-node .node-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--node-color, var(--primary));
}

.canvas-node-details {
    display: flex;
    flex-direction: column;
}

.canvas-node-name {
    font-family: var(--font-title);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-main);
}

.canvas-node-type {
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
}

.canvas-node .node-port {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #0f172a;
    border: 2px solid var(--node-color, var(--primary));
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    z-index: 16;
}

.canvas-node .port-in { left: -5px; }
.canvas-node .port-out { right: -5px; }

/* SVG Conectores y animación de datos en el Canvas */
.canvas-connections {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.connection-line {
    stroke: rgba(255, 255, 255, 0.08);
    stroke-width: 2;
    fill: none;
    transition: stroke 0.4s;
}

.connection-line.active {
    stroke: var(--secondary);
    stroke-dasharray: 6 6;
    animation: connectorFlow 1.5s linear infinite;
}

@keyframes connectorFlow {
    to {
        stroke-dashoffset: -12;
    }
}

/* Flujo de datos animado */
.data-flow-pulse {
    fill: none;
    stroke: var(--primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 8 80;
    stroke-dashoffset: 88;
    opacity: 0;
    transition: opacity 0.3s;
}

.data-flow-pulse.active {
    opacity: 1;
    animation: flow-travel 2.8s linear infinite;
}

@keyframes flow-travel {
    to {
        stroke-dashoffset: 0;
    }
}

/* Consola inferior del Canvas */
.canvas-console {
    background: #04060c;
    border-top: 1px solid var(--card-border);
    padding: 16px 24px;
    height: 130px;
    overflow-y: auto;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    z-index: 10;
    flex-shrink: 0;
}

.console-logs {
    display: flex;
    flex-direction: column;
    gap: 6px;
    white-space: pre-wrap;
    line-height: 1.5;
}

.log-muted { color: var(--text-muted); }
.log-info { color: #60a5fa; }
.log-success { color: #10b981; }
.log-warn { color: #f59e0b; }

/* ==========================================================================
   PERSONALIZACIÓN DE SCROLLBARS (ESTÉTICA DE LA PÁGINA)
   ========================================================================== */
/* Estilos globales y para contenedores específicos */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #04060c;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    border: 2px solid #04060c;
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary);
}

/* Estilos específicos para el Canvas Workspace y Consola */
.canvas-workspace::-webkit-scrollbar,
.canvas-console::-webkit-scrollbar,
.console-logs::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.canvas-workspace::-webkit-scrollbar-track,
.canvas-console::-webkit-scrollbar-track,
.console-logs::-webkit-scrollbar-track {
    background: #04060c;
}

.canvas-workspace::-webkit-scrollbar-thumb,
.canvas-console::-webkit-scrollbar-thumb,
.console-logs::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18) !important;
    border-radius: 4px !important;
    border: 2px solid #04060c !important;
}

.canvas-workspace::-webkit-scrollbar-thumb:hover,
.canvas-console::-webkit-scrollbar-thumb:hover,
.console-logs::-webkit-scrollbar-thumb:hover {
    background: var(--secondary) !important;
}

/* Compatibilidad con Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.18) #04060c;
}

/* ==========================================================================
   RESPONSIVIDAD (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 768px) {
    .workspace-body {
        flex-direction: column;
        overflow-y: auto;
    }
    
    .workspace-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--card-border);
    }
    
    .workspace-canvas-area {
        height: 500px;
    }
}

/* Ocultar botones de flechas de los scrollbars nativos */
::-webkit-scrollbar-button {
    display: none !important;
}

/* Ocultar cursor por defecto en toda la página */
body, a, button, select, input, textarea, .workflow-selector-item, .canvas-node, .back-link, .btn {
    cursor: none !important;
}

/* Cursor Personalizado Estilo N8N */
.custom-cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 8px;
    height: 8px;
    background-color: var(--primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 10000;
    transform: translate3d(var(--x, -100px), var(--y, -100px), 0) translate(-50%, -50%);
    will-change: transform;
    opacity: 0;
    transition: width 0.2s, height 0.2s, background-color 0.2s, opacity 0.3s;
}

.custom-cursor-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 32px;
    height: 32px;
    border: 2px solid var(--secondary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    transform: translate3d(var(--x-glow, -100px), var(--y-glow, -100px), 0) translate(-50%, -50%);
    box-shadow: 0 0 12px var(--secondary-glow);
    will-change: transform;
    opacity: 0;
    transition: transform 0.08s ease-out, width 0.2s, height 0.2s, border-color 0.2s, background-color 0.2s, opacity 0.3s;
}

/* Efectos al pasar sobre elementos interactivos */
.custom-cursor.hover {
    background-color: var(--secondary);
    width: 12px;
    height: 12px;
}

.custom-cursor-glow.hover {
    border-color: var(--primary);
    transform: translate3d(var(--x-glow, -100px), var(--y-glow, -100px), 0) translate(-50%, -50%) scale(1.4);
    background-color: rgba(255, 109, 90, 0.06);
    box-shadow: 0 0 20px var(--primary-glow);
}

/* Estado de click (micro-animación al pulsar) */
.custom-cursor.click {
    transform: translate3d(var(--x, -100px), var(--y, -100px), 0) translate(-50%, -50%) scale(0.6);
}

.custom-cursor-glow.click {
    transform: translate3d(var(--x-glow, -100px), var(--y-glow, -100px), 0) translate(-50%, -50%) scale(0.8);
    border-color: var(--primary);
    box-shadow: 0 0 25px var(--primary-glow);
}