/* --- Glass Drop Notification System --- */
#dynamic-island-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-island);
    display: flex;
    justify-content: center;
    pointer-events: none;
}

#dynamic-island {
    width: 25rem;
    max-width: calc(100vw - (var(--spacing-3) * 2));
    min-height: var(--rail-size);
    padding: 0 var(--spacing-4);
    border-radius: var(--radius-3);
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: color-mix(in srgb, var(--bg-3), transparent var(--glass-opacity));
    backdrop-filter: blur(var(--glass-blur, 20px));
    -webkit-backdrop-filter: blur(var(--glass-blur, 20px));
    box-shadow: var(--shadow-4);
    transform: translate3d(0, -150%, 0);
    opacity: 0;
    transition: transform var(--m-slow) var(--m-spring), opacity var(--m-slow);
}

#dynamic-island.active {
    transform: translate3d(0, var(--spacing-3), 0);
    opacity: 1;
}

#dynamic-island-content {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.island-icon {
    width: 2rem;
    height: 2rem;
}

.island-message {
    font-size: var(--font-2);
    font-weight: bold;
    color: var(--text-5);
}

/* --- Quick Action Bar --- */
.quick-action-bar {
    position: fixed;
    bottom: var(--spacing-3);
    right: var(--spacing-3);
    z-index: var(--z-island);
    display: flex;
    gap: var(--spacing-2);
}

/* --- Floating Action Button --- */
.fab {
    width: 4rem;
    height: 4rem;
    border-radius: var(--radius-circle);
    background: var(--system-accent);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-4);
    cursor: pointer;
    transition: transform 0.2s;
}

.fab:active {
    transform: scale(0.9);
}

/* --- Tool Panel Styles --- */
.tool-panel button {
    cursor: pointer;
    transition: all 0.2s;
}

.tool-panel button:active {
    transform: scale(0.97);
}

.tool-panel button:hover {
    filter: brightness(1.1);
}

/* --- Skeleton Shimmer --- */
.skeleton-base {
    background-color: var(--skeleton-bg);
    position: relative;
    overflow: hidden;
}

.skeleton-base::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    background-image: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0,
        rgba(255, 255, 255, 0.2) 20%,
        rgba(255, 255, 255, 0.5) 60%,
        rgba(255, 255, 255, 0)
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* --- Native Charts --- */
/* --- System Badges --- */
.ns-badge {
    position: absolute;
    top: var(--marker-inset);
    right: var(--marker-inset);
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 4px;
    background: var(--p1-3);
    color: #fff;
    border-radius: var(--radius-pill);
    font-size: var(--font-1);
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    text-align: center;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.5);
    transition: all var(--m-fast) var(--m-spring);
    z-index: var(--z-active);
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.ns-badge.has-unread {
    opacity: 1;
    transform: scale(1);
}

/* Specific styling for notification vs selection badges */
[data-ns-badge="notifications"].has-unread {
    background: var(--blue-3);
}

[data-ns-badge="selection"].has-unread {
    background: var(--blue-3);
}

.native-chart {
    width: 100%;
    position: relative;
}

.chart-bar {
    transition: height 0.6s var(--m-spring);
}

/* --- Selection Visibility Engine (Component Layer) --- */
/* Rule: Hidden by default */
.selection-column,
.row-checkbox-wrapper {
    display: none;
}

/* Rule: Show whenever Selection Tool is active (Universal across all devices) */
html[data-panel-type="select"] .selection-column { display: table-cell; }
html[data-panel-type="select"] .row-checkbox-wrapper { display: flex; }
html[data-panel-type="select"] .record-strip .selection-column { display: block; }

/* Unified Floating Marker Positioning */
.row-checkbox-wrapper {
    width: 1.25rem;
    height: 1.25rem;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Float to corner if a direct child of row-item (Grid/Card context) */
.row-item > .row-checkbox-wrapper {
    position: absolute;
    top: var(--marker-inset);
    right: var(--marker-inset);
}

.row-item .absolute .row-checkbox-wrapper {
    /* Keep legacy support for explicit absolute wrappers if they exist elsewhere */
    position: absolute;
    top: var(--marker-inset);
    right: var(--marker-inset);
}

/* Simple Native Checkbox */
input[type="checkbox"].row-checkbox {
    appearance: checkbox;
    -webkit-appearance: checkbox;
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    margin: 0;
    line-height: 0;
    border: revert;
    background: revert;
}

/* --- High-Visibility Selection State --- */
.row-item:has(.row-item-checkbox:checked) {
    background-color: color-mix(in srgb, var(--blue-3), transparent 50%);
    border-color: var(--blue-3);
}

.row-item:has(.row-item-checkbox:checked) :is(.t-1, .t-2, .t-3) {
    color: var(--text-5);
}

.row-item:has(.row-item-checkbox:checked) :is(.surface-3, .thumbnail-container) {
    background-color: color-mix(in srgb, var(--bg-3), transparent 50%);
}

/* --- Multi-Selection System --- */
#bulk-action-bar {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translate(-50%, 100%);
    background: var(--bg-2);
    border: 1px solid var(--bg-4);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-4) var(--radius-4) 0 0;
    z-index: var(--z-island);
    display: flex;
    gap: var(--spacing-4);
    align-items: center;
    transition: transform 0.4s var(--m-spring);
    box-shadow: var(--shadow-5);
}

html[data-selection-mode="on"] #bulk-action-bar {
    transform: translate(-50%, 0);
}

/* --- Indicators --- */
.pulse-dot {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.7; }
    70% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

.telemetry-ring {
    display: none;
}

/* --- Record Strip (List View) --- */
.record-strip {
    transition: transform var(--m-fast), background-color var(--m-fast);
}

.record-strip:hover {
    background-color: var(--surface-3);
    transform: translateX(4px);
}

.record-strip:active {
    transform: scale(0.99) translateX(2px);
}