/* Production Scheduler - Global Styles (Non-Scoped) */
/* These styles MUST be global because they apply to SVG elements, cross-component elements, or need to override defaults */

/* ======================
   SVG ELEMENTS (Cannot be scoped)
   ====================== */

/* Grid lines - SVG elements don't support CSS isolation */
.ps-grid-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.ps-grid-vertical {
    stroke: var(--ws-border-muted);
    stroke-width: 1;
    opacity: 0.6;
}

.ps-grid-horizontal {
    stroke: var(--ws-border-muted);
    stroke-width: 1;
    opacity: 0.5;
}

/* Dependency arrows - SVG elements */
.ps-dependencies-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    overflow: visible;
}

.ps-dependency-link {
    pointer-events: none;
    opacity: 0.7;
}

.ps-dependency-path {
    stroke: var(--ws-primary);
    stroke-width: 2;
    fill: none;
    pointer-events: none;
    transition: stroke-width 0.15s ease, opacity 0.15s ease;
}

/* Hover effect on dependency lines */
.ps-dependency-link:hover {
    opacity: 1;
}

.ps-dependency-link:hover .ps-dependency-path {
    stroke-width: 3 !important;
    filter: drop-shadow(0 2px 4px rgba(var(--ws-primary-rgb), 0.3));
}

/* ======================
   DRAG STATE STYLES (JS-toggled, must be global)
   ====================== */

/* Merge state - both source (dragged) and target segments glow green */
.ps-segment.ps-merge-source {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.6), 0 2px 5px rgba(0, 0, 0, 0.2) !important;
    border: 2px solid #059669 !important;
    z-index: 5 !important;
}

.ps-segment.ps-merge-target {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 0 12px rgba(16, 185, 129, 0.6), 0 2px 5px rgba(0, 0, 0, 0.2) !important;
    border: 2px dashed #047857 !important;
    animation: ps-merge-pulse 0.8s ease-in-out infinite alternate;
}

@keyframes ps-merge-pulse {
    from { opacity: 0.8; }
    to { opacity: 1; }
}

/* ======================
   NAVIGATION ARROWS (Absolute positioned, cross-component)
   ====================== */

.ps-nav-arrows-container {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 100;
}

.ps-nav-arrow {
    position: absolute;
    width: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    z-index: 101;
    pointer-events: auto;
    transition: all 0.2s ease;
}

.ps-nav-arrow:hover {
    transform: scale(1.1);
}

.ps-nav-arrow-left {
    left: 0;
    background: linear-gradient(90deg, rgba(var(--ws-success-rgb), 0.95) 0%, rgba(var(--ws-success-rgb), 0.95) 100%);
    border-radius: 0 15px 15px 0;
    box-shadow: 2px 0 8px rgba(var(--ws-success-rgb), 0.4);
}

.ps-nav-arrow-left:hover {
    box-shadow: 2px 0 12px rgba(var(--ws-success-rgb), 0.6);
}

.ps-nav-arrow-right {
    right: 0;
    background: linear-gradient(90deg, rgba(var(--ws-warning-rgb), 0.95) 0%, rgba(var(--ws-warning-rgb), 0.95) 100%);
    border-radius: 15px 0 0 15px;
    box-shadow: -2px 0 8px rgba(--ws-warning-rgb), 0.4);
}

.ps-nav-arrow-right:hover {
    box-shadow: -2px 0 12px rgba(var(--ws-warning-rgb), 0.6);
}

/* ======================
   SCHEDULER COMPONENTS
   ====================== */

.ps-root {
    background: var(--ws-bg-body);
    border-color: var(--ws-border-base);
    color: var(--ws-text-base);
}

.ps-toolbar {
    background-color: var(--ws-bg-alt);
    border-bottom-color: var(--ws-border-muted);
    color: var(--ws-text-base);
}

.ps-toolbar select,
.ps-toolbar input {
    background-color: var(--ws-bg-base);
    border-color: var(--ws-border-base);
    color: var(--ws-text-base);
}

.ps-toolbar label {
    color: var(--ws-text-base);
}

.ps-left {
    background-color: var(--ws-bg-base);
    border-right-color: var(--ws-border-muted);
}

.ps-tree {
    background: var(--ws-bg-base);
    color: var(--ws-text-base);
}

.ps-tree-header-spacer {
    background: var(--ws-bg-alt);
    border-bottom-color: var(--ws-border-muted);
}

.ps-tree-dept {
    background: var(--ws-bg-alt);
    border-bottom-color: var(--ws-border-muted);
    color: var(--ws-text-base);
}

.ps-tree-dept:hover {
    background: var(--ws-table-bg-color-hover);
}

.ps-tree-wc {
    background: var(--ws-bg-base);
    border-bottom-color: var(--ws-border-muted);
}

.ps-tree-wc:hover {
    background: var(--ws-table-bg-color-hover);
}

.ps-tree-wc-name {
    color: var(--ws-text-base);
}

.ps-timeheader {
    background: var(--ws-bg-alt);
    border-bottom-color: var(--ws-border-muted);
    color: var(--ws-text-base);
}

.ps-timeheader-row {
    border-bottom-color: var(--ws-border-muted);
}

.ps-timeheader-cell {
    color: var(--ws-text-base);
    border-right-color: var(--ws-border-muted);
}

.ps-timeline-header-sticky {
    background: var(--ws-bg-alt);
    border-bottom-color: var(--ws-border-muted);
    color: var(--ws-text-base);
}

.ps-timeline-inner {
    background: var(--ws-bg-base);
}

.ps-timeline {
    background: var(--ws-bg-base);
}

.ps-error {
    color: var(--ws-danger);
}

/* ======================
   BUTTON STYLING
   ====================== */

.ps-toolbar .btn {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.ps-toolbar .btn-primary {
    background-color: var(--ws-primary);
    border-color: var(--ws-primary);
    color: var(--ws-primary-text);
}

.ps-toolbar .btn-primary:hover {
    background-color: var(--ws-primary-hover);
    border-color: var(--ws-primary-hover);
}

.ps-toolbar .btn {
    background-color: var(--ws-bg-muted);
    border-color: var(--ws-border-base);
    color: var(--ws-text-base);
}

.ps-toolbar .btn:hover {
    background-color: var(--ws-table-bg-color-hover);
    border-color: var(--ws-border-focus);
}

/* ======================
   PAN (GRAB-TO-SCROLL)
   ====================== */

.ps-timeline-surface {
    cursor: grab;
}

.ps-timeline-scroll.ps-panning,
.ps-timeline-scroll.ps-panning .ps-timeline-surface {
    cursor: grabbing;
    user-select: none;
}

/* Segments keep their own cursor so grab doesn't bleed through */
.ps-segment {
    cursor: grab;
}

.ps-segment:active {
    cursor: grabbing;
}

/* ======================
   SPLIT TOOL MODE
   ====================== */

.ps-timeline-surface.ps-split-active,
.ps-timeline-surface.ps-split-active .ps-segment {
    cursor: crosshair !important;
}

/* ======================
   SCROLLBAR STYLING
   ====================== */

.ps-timeline-scroll::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

.ps-timeline-scroll::-webkit-scrollbar-track {
    background: var(--ws-bg-muted);
}

.ps-timeline-scroll::-webkit-scrollbar-thumb {
    background: var(--ws-border-base);
    border-radius: 6px;
}

.ps-timeline-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--ws-text-muted);
}