/**
 * Planning 4D – Gantt Styles (SPRINT 6A)
 * Styles isolés pour le Gantt 2D
 * Préfixe : .planning-gantt-*
 * AUCUNE collision CSS
 */

/* ========================================
   CONTENEUR PRINCIPAL
   ======================================== */

.planning-gantt-container {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 300px;
    overflow: hidden;
    background-color: #ffffff;
    border: 1px solid #e4e7eb;
    border-radius: 8px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.planning-gantt-container * {
    box-sizing: border-box;
}

/* ========================================
   SVG PRINCIPAL
   ======================================== */

.planning-gantt-svg {
    display: block;
    min-width: 100%;
}

/* ========================================
   LAYOUT (fixed labels + fixed header)
   ======================================== */

.planning-gantt-shell {
    display: grid;
    grid-template-columns: 200px 1fr;
    grid-template-rows: 48px 1fr;
    width: 100%;
    height: 100%;
    min-height: 300px;
}

.planning-gantt-top-left {
    grid-column: 1;
    grid-row: 1;
    background: #f5f7fa;
    border-bottom: 1px solid #e4e7eb;
    border-right: 1px solid #e4e7eb;
}

.planning-gantt-top-right {
    grid-column: 2;
    grid-row: 1;
    background: #f5f7fa;
    border-bottom: 1px solid #e4e7eb;
    overflow: hidden;
}

.planning-gantt-bottom-left {
    grid-column: 1;
    grid-row: 2;
    background: #f5f7fa;
    border-right: 1px solid #e4e7eb;
    overflow: hidden;
}

.planning-gantt-bottom-right {
    grid-column: 2;
    grid-row: 2;
    overflow: hidden;
    background: #ffffff;
}

.planning-gantt-header-viewport,
.planning-gantt-labels-viewport {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.planning-gantt-header-inner,
.planning-gantt-labels-inner {
    will-change: transform;
}

.planning-gantt-scroll {
    width: 100%;
    height: 100%;
    overflow: auto;
}

.planning-gantt-scroll::-webkit-scrollbar {
    height: 10px;
    width: 10px;
}

.planning-gantt-scroll::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

.planning-gantt-scroll::-webkit-scrollbar-track {
    background: #f1f5f9;
}

.planning-gantt-svg-header,
.planning-gantt-svg-labels {
    min-width: 0;
}

/* ========================================
   EN-TÊTE TEMPOREL
   ======================================== */

.planning-gantt-header-bg {
    fill: #f5f7fa;
}

.planning-gantt-header-text {
    font-size: 11px;
    fill: #374151;
    font-weight: 500;
}

/* ========================================
   GRILLE
   ======================================== */

.planning-gantt-grid line {
    stroke: #e4e7eb;
    stroke-width: 0.5;
}

.planning-gantt-grid-major line {
    stroke: #d1d5db;
    stroke-width: 1;
}

/* Week-end background */
.planning-gantt-weekend {
    fill: #f9fafb;
}

/* ========================================
   LIGNE AUJOURD'HUI
   ======================================== */

.planning-gantt-today {
    stroke: #ef4444;
    stroke-width: 2;
    stroke-dasharray: none;
}

.planning-gantt-today-label {
    font-size: 10px;
    fill: #ef4444;
    font-weight: 600;
}

/* ========================================
   COLONNE LABELS
   ======================================== */

.planning-gantt-labels {
    /* Groupe SVG - pas de style direct */
    display: contents;
}

.planning-gantt-label-bg {
    fill: #f5f7fa;
}

.planning-gantt-label-text {
    font-size: 12px;
    fill: #374151;
}

.planning-gantt-row-bg:nth-child(2n) {
    fill: #f9fafb;
}

.planning-gantt-label-phase {
    font-size: 13px;
    fill: #3b82f6;
    font-weight: 600;
}

/* ========================================
   ICÔNE COLLAPSE/EXPAND
   ======================================== */

.planning-gantt-collapse-icon {
    cursor: pointer;
    font-size: 10px;
    fill: #3b82f6;
    transition: transform 0.2s ease;
}

.planning-gantt-collapse-icon:hover {
    fill: #2563eb;
}

/* ========================================
   BARRES DE PHASE
   ======================================== */

.planning-gantt-phase-bar {
    fill: #3b82f6;
    cursor: pointer;
    transition: fill 0.15s ease;
}

.planning-gantt-phase-bar:hover {
    fill: #2563eb;
}

/* Indicateurs de début/fin phase (losanges) */
.planning-gantt-phase-marker {
    fill: #1d4ed8;
}

/* ========================================
   BARRES DE TÂCHE
   ======================================== */

.planning-gantt-task-bar {
    fill: #60a5fa;
    cursor: grab;
    transition: fill 0.15s ease, transform 0.1s ease;
}

.planning-gantt-task-bar:hover {
    fill: #3b82f6;
}

.planning-gantt-dragging .planning-gantt-task-bar {
    cursor: grabbing;
}

/* Barre de progression */
.planning-gantt-progress-bar {
    fill: #2563eb;
    pointer-events: none;
}

/* Label dans la barre */
.planning-gantt-task-label {
    font-size: 10px;
    fill: #1e3a5a;
    pointer-events: none;
}

/* ========================================
   ÉTATS DE TÂCHE
   ======================================== */

.planning-gantt-task-bar[data-status="completed"] {
    fill: #10b981;
}

.planning-gantt-task-bar[data-status="delayed"] {
    fill: #f59e0b;
}

.planning-gantt-task-bar[data-status="critical"] {
    fill: #ef4444;
}

/* ========================================
   DÉPENDANCES (LIENS)
   ======================================== */

.planning-gantt-dependency {
    stroke: #9ca3af;
    stroke-width: 1.5;
    fill: none;
}

.planning-gantt-dependency-arrow {
    fill: #9ca3af;
}

.planning-gantt-dependency:hover {
    stroke: #6b7280;
}

/* ========================================
   TOOLTIP
   ======================================== */

.planning-gantt-tooltip {
    position: absolute;
    padding: 8px 12px;
    background: #1f2937;
    color: #ffffff;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.4;
    max-width: 250px;
    pointer-events: none;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    opacity: 0;
    transition: opacity 0.15s ease;
}

.planning-gantt-tooltip.visible {
    opacity: 1;
}

.planning-gantt-tooltip-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.planning-gantt-tooltip-dates {
    color: #d1d5db;
    font-size: 11px;
}

/* ========================================
   CONTRÔLES (ZOOM, NAVIGATION)
   ======================================== */

.planning-gantt-controls {
    position: sticky;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: #ffffff;
    border-bottom: 1px solid #e4e7eb;
    z-index: 100;
}

.planning-gantt-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    background: #f3f4f6;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: #374151;
    cursor: pointer;
    transition: all 0.15s ease;
}

.planning-gantt-btn:hover {
    background: #e5e7eb;
    border-color: #9ca3af;
}

.planning-gantt-btn.active {
    background: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
}

.planning-gantt-btn-icon {
    width: 16px;
    height: 16px;
}

/* ========================================
   ZOOM SELECTOR
   ======================================== */

.planning-gantt-zoom-group {
    display: flex;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    overflow: hidden;
}

.planning-gantt-zoom-btn {
    padding: 6px 10px;
    background: #ffffff;
    border: none;
    border-right: 1px solid #d1d5db;
    font-size: 11px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.15s ease;
}

.planning-gantt-zoom-btn:last-child {
    border-right: none;
}

.planning-gantt-zoom-btn:hover {
    background: #f3f4f6;
}

.planning-gantt-zoom-btn.active {
    background: #3b82f6;
    color: #ffffff;
}

/* ========================================
   SCROLL SYNC (si panels séparés)
   ======================================== */

.planning-gantt-scroll-container {
    overflow-x: auto;
    overflow-y: hidden;
}

.planning-gantt-scroll-container::-webkit-scrollbar {
    height: 8px;
}

.planning-gantt-scroll-container::-webkit-scrollbar-track {
    background: #f3f4f6;
    border-radius: 4px;
}

.planning-gantt-scroll-container::-webkit-scrollbar-thumb {
    background: #d1d5db;
    border-radius: 4px;
}

.planning-gantt-scroll-container::-webkit-scrollbar-thumb:hover {
    background: #9ca3af;
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
    .planning-gantt-controls {
        flex-wrap: wrap;
    }

    .planning-gantt-btn {
        padding: 8px 10px;
        font-size: 11px;
    }

    .planning-gantt-container {
        min-height: 250px;
    }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
    .planning-gantt-container {
        border: none;
        overflow: visible;
    }

    .planning-gantt-controls {
        display: none;
    }

    .planning-gantt-today {
        stroke: #000000;
    }

    .planning-gantt-task-bar,
    .planning-gantt-phase-bar {
        print-color-adjust: exact;
        -webkit-print-color-adjust: exact;
    }
}

/* ========================================
   ANIMATIONS (optionnel)
   ======================================== */

@keyframes planning-gantt-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.planning-gantt-container.animate .planning-gantt-task-bar,
.planning-gantt-container.animate .planning-gantt-phase-bar {
    animation: planning-gantt-fade-in 0.3s ease forwards;
}

/* Délai par ligne */
.planning-gantt-container.animate .planning-gantt-bars > *:nth-child(1) { animation-delay: 0.02s; }
.planning-gantt-container.animate .planning-gantt-bars > *:nth-child(2) { animation-delay: 0.04s; }
.planning-gantt-container.animate .planning-gantt-bars > *:nth-child(3) { animation-delay: 0.06s; }
.planning-gantt-container.animate .planning-gantt-bars > *:nth-child(4) { animation-delay: 0.08s; }
.planning-gantt-container.animate .planning-gantt-bars > *:nth-child(5) { animation-delay: 0.10s; }