/* 甘特图工具面板 */
.gantt-tool-panel {
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
    min-height: 0;
}

.gantt-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-muted, #f9fafb);
    flex-shrink: 0;
}

.gantt-toolbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.gantt-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.gantt-title i { color: #2563eb; }

.gantt-badge {
    font-size: 0.68rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 10px;
    background: rgba(37, 99, 235, 0.1);
    color: #2563eb;
}

.gantt-toolbar-right {
    display: flex;
    align-items: center;
    gap: 6px;
}

.gantt-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    font-size: 0.78rem;
    font-weight: 500;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s;
}

.gantt-btn:hover {
    border-color: #2563eb;
    color: #2563eb;
}

.gantt-btn-primary {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    border-color: transparent;
    color: #fff !important;
}

.gantt-btn-primary:hover {
    opacity: 0.92;
    color: #fff !important;
}

.gantt-canvas-wrap {
    flex: 1;
    overflow: auto;
    padding: 20px 16px 12px;
    background-color: #eef1f5;
    background-image: radial-gradient(circle, #c5cdd8 1px, transparent 1px);
    background-size: 18px 18px;
    min-height: 320px;
}

.gantt-board {
    max-width: 1100px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
    padding: 20px 16px 16px;
    overflow: hidden;
}

.gantt-plan-title {
    margin: 0 0 16px 4px;
    font-size: 1.15rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.35;
    outline: none;
    border-radius: 4px;
    padding: 2px 4px;
}

.gantt-plan-title:focus {
    background: rgba(37, 99, 235, 0.06);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.25);
}

.gantt-table {
    border: 1px solid #dbe3ef;
    border-radius: 8px;
    overflow: hidden;
    font-size: 0.78rem;
}

.gantt-header-row {
    display: grid;
    grid-template-columns: 168px 1fr;
    background: linear-gradient(180deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    font-weight: 600;
}

.gantt-corner-cell {
    padding: 10px 12px;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
}

.gantt-dates {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    min-width: 0;
}

.gantt-date-col {
    padding: 10px 4px;
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.15);
    font-size: 0.7rem;
    white-space: nowrap;
    outline: none;
}

.gantt-date-col:last-child {
    border-right: none;
}

.gantt-date-col:focus {
    background: rgba(255, 255, 255, 0.15);
}

.gantt-body {
    display: flex;
    flex-direction: column;
}

.gantt-row {
    display: grid;
    grid-template-columns: 168px 1fr;
    min-height: 52px;
    border-top: 1px solid #e8edf4;
    background: #fff;
}

.gantt-row-alt {
    background: #f5f9ff;
}

.gantt-task-cell {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-right: 1px solid #e8edf4;
    font-weight: 500;
    color: #334155;
}

.gantt-task-name {
    outline: none;
    width: 100%;
    line-height: 1.4;
    border-radius: 3px;
    padding: 2px 0;
}

.gantt-task-name:focus {
    background: rgba(37, 99, 235, 0.06);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.gantt-timeline-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    align-items: center;
    padding: 6px 4px;
    position: relative;
    min-width: 0;
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent calc(100% / 12 - 1px),
        #e8edf4 calc(100% / 12 - 1px),
        #e8edf4 calc(100% / 12)
    );
}

.gantt-bar {
    height: 30px;
    margin: 0 3px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.72rem;
    font-weight: 600;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 0 10px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
    outline: none;
    cursor: text;
    min-width: 0;
}

.gantt-bar:focus {
    box-shadow: 0 0 0 2px #fff, 0 0 0 4px rgba(37, 99, 235, 0.45);
}

.gantt-bar-c0 { background: linear-gradient(135deg, #2dd4bf, #14b8a6); }
.gantt-bar-c1 { background: linear-gradient(135deg, #c084fc, #a855f7); }
.gantt-bar-c2 { background: linear-gradient(135deg, #fdba74, #fb923c); }
.gantt-bar-c3 { background: linear-gradient(135deg, #7dd3fc, #38bdf8); }
.gantt-bar-c4 { background: linear-gradient(135deg, #fde047, #eab308); color: #713f12; }
.gantt-bar-c5 { background: linear-gradient(135deg, #60a5fa, #3b82f6); }
.gantt-bar-c6 { background: linear-gradient(135deg, #86efac, #4ade80); color: #14532d; }
@media (max-width: 900px) {
    .gantt-canvas-wrap {
        padding: 12px 8px;
    }

    .gantt-board {
        min-width: 720px;
    }

    .gantt-header-row,
    .gantt-row {
        grid-template-columns: 140px 1fr;
    }

    .gantt-corner-cell,
    .gantt-task-cell {
        padding-left: 8px;
        padding-right: 8px;
    }

    .gantt-date-col {
        font-size: 0.62rem;
        padding: 8px 2px;
    }

    .gantt-bar {
        font-size: 0.65rem;
        height: 26px;
    }
}