/* ==========================================================================
   DRAWFLOW PANEL — Onglets + canvas de layout interactif
   ========================================================================== */

/* ---- Onglets dans l'en-tête du panneau ---- */

.panel-tabs {
    display: flex;
    gap: 3px;
    margin-right: var(--sp-2);
}

.tab-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    font-size: var(--fs-xs);
    font-weight: 600;
    font-family: var(--font-sans);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
    white-space: nowrap;
}

.tab-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.tab-btn.tab-active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ---- Contenu des onglets ---- */

.tab-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

/* [hidden] sur .tab-content est géré par layout.css ([hidden]{display:none!important}) */

/* ---- Barre d'outils interne du canvas Drawflow ---- */

.df-toolbar {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 4px var(--sp-4);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    flex-shrink: 0;
    min-height: 32px;
}

.df-toolbar-info {
    flex: 1;
    font-size: var(--fs-xs);
    font-family: var(--font-mono);
    color: var(--text-tertiary);
}

/* ---- Conteneur du canvas ---- */

.drawflow-container {
    flex: 1;
    position: relative;
    overflow: hidden;
}

/* ---- Drawflow ajoute .parent-drawflow au conteneur lui-même ---- */
/* Surcharge height:600px imposé par le CSS de Drawflow */

.drawflow-container,
.parent-drawflow {
    height: 100% !important;
    outline: none;          /* tabIndex ajouté par Drawflow */
}

/* ---- Précanvas (div.drawflow créé par Drawflow à l'intérieur) ----
   On garde au minimum la taille du conteneur, mais JS peut l'étendre
   via une width/height inline pour que la grille couvre tout le contenu. */

.drawflow-container .drawflow {
    min-width: 100%;
    min-height: 100%;
    background-color: var(--bg-primary) !important;
    background-image: radial-gradient(
        circle,
        var(--border-subtle) 1.5px,
        transparent 1.5px
    ) !important;
    background-size: 28px 28px !important;
    transition: width var(--t-fast), height var(--t-fast);
}

/* ---- Nœuds ---- */

.drawflow .drawflow-node {
    background: var(--bg-secondary) !important;
    border: var(--df-node-border-width, 1.5px) solid var(--df-node-border-color, var(--border-default)) !important;
    border-radius: var(--radius-md) !important;
    box-shadow: var(--shadow-sm) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-sans) !important;
    min-width: 150px;
    padding: 0 !important;
    cursor: grab;
    transition: border-color var(--t-fast), box-shadow var(--t-fast), outline var(--t-fast);
}

.drawflow .drawflow-node:active {
    cursor: grabbing;
}

/* La sélection s'affiche via un outline pour ne pas masquer la couleur de contour custom */
.drawflow .drawflow-node.selected {
    outline: 2px solid var(--accent) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.15) !important;
}

/* Variantes de forme */
.drawflow .drawflow-node.df-shape-diamond {
    background: var(--accent-soft) !important;
    border-style: dashed !important;
}

.drawflow .drawflow-node.df-shape-circle {
    border-radius: 999px !important;
}

.drawflow .drawflow-node.df-shape-cylinder {
    border-radius: var(--radius-lg) !important;
    border-width: var(--df-node-border-width, 2px) !important;
    border-style: double !important;
}

.drawflow .drawflow-node.df-shape-stadium {
    border-radius: 999px !important;
}

/* ---- Contenu interne du nœud ---- */

.dfm-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
}

.dfm-shape {
    font-size: 1rem;
    opacity: 0.45;
    flex-shrink: 0;
    line-height: 1;
    user-select: none;
}

.dfm-labels {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.dfm-id {
    font-size: 0.62rem;
    font-family: var(--font-mono);
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.05em;
    line-height: 1.2;
}

.dfm-label {
    font-size: 0.78rem;
    color: var(--text-primary);
    line-height: 1.35;
    word-break: break-word;
    max-width: 200px;
}

/* ---- Ports de connexion ---- */

.drawflow .input,
.drawflow .output {
    background: var(--accent) !important;
    border: 2px solid var(--bg-secondary) !important;
    width: 13px !important;
    height: 13px !important;
    border-radius: 50% !important;
    transition: transform var(--t-fast);
}

.drawflow .input:hover,
.drawflow .output:hover {
    transform: scale(1.4);
}

/* ---- Connexions (SVG) ---- */

.drawflow .connection .main-path {
    stroke: var(--accent) !important;
    stroke-width: 2px !important;
    fill: none;
    opacity: 0.65;
    transition: opacity var(--t-fast), stroke-width var(--t-fast);
}

.drawflow .connection .main-path:hover,
.drawflow .connection.selected .main-path {
    stroke-width: 3px !important;
    opacity: 1;
}

/* Point de rerouting */
.drawflow .point {
    fill: var(--accent) !important;
    stroke: var(--bg-secondary) !important;
    stroke-width: 2px !important;
}

/* ---- Panneau de style du nœud sélectionné ---- */

.df-node-style-panel {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}

.df-toolbar-sep {
    width: 1px;
    height: 18px;
    background: var(--border-default);
    flex-shrink: 0;
}

.df-selected-node-label {
    font-size: var(--fs-xs);
    font-family: var(--font-mono);
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.03em;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.df-style-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--fs-xs);
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.df-style-item i {
    font-size: 0.65rem;
    opacity: 0.6;
}

.df-style-item input[type="color"] {
    width: 26px;
    height: 22px;
    padding: 1px 2px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: none;
}

.df-style-item input[type="range"] {
    width: 68px;
    accent-color: var(--accent);
    cursor: pointer;
}

.df-style-item output {
    font-size: var(--fs-xs);
    font-family: var(--font-mono);
    color: var(--text-tertiary);
    min-width: 28px;
    display: inline-block;
}