/* ── RMSchedule — Phase 1 Styles ─────────────────────────────────────────── */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-deep:        #0d1117;
    --bg-panel:       #161b22;
    --bg-card:        #1c2330;
    --bg-hover:       #242b38;
    --border:         #30363d;
    --accent:         #2dcc9b;
    --accent-dim:     #1a7a5e;
    --accent-light:   #56e0b5;
    --text-primary:   #e6edf3;
    --text-secondary: #8b949e;
    --text-muted:     #4a5568;
    --danger:         #e05252;
    --warning:        #e0a52d;
    --radius:         6px;
    --radius-lg:      10px;
    --shadow:         0 4px 16px rgba(0,0,0,0.4);
}

html, body {
    height: 100%;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 14px;
    background: var(--bg-deep);
    color: var(--text-primary);
    line-height: 1.5;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
#header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 54px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 16px;
}

#header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

#header-logo {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    white-space: nowrap;
}

#header-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.header-divider {
    width: 1px;
    height: 24px;
    background: var(--border);
}

#header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

#user-display {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
}

#user-display span {
    color: var(--accent);
    font-weight: 600;
}

#user-change-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 6px;
    border-radius: var(--radius);
    transition: background 0.15s;
    text-decoration: underline;
}

#user-change-btn:hover {
    background: var(--bg-hover);
}

#export-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    background: var(--accent-dim);
    color: var(--accent-light);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}

#export-btn:hover {
    background: var(--accent);
    color: #0d1117;
}

#export-btn svg {
    flex-shrink: 0;
}

.export-wrap {
    position: relative;
}

#export-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 500;
    min-width: 160px;
    padding: 4px 0;
}
#export-dropdown.hidden { display: none; }

.export-opt {
    display: block;
    width: 100%;
    padding: 8px 16px;
    background: transparent;
    color: var(--text-primary);
    border: none;
    text-align: left;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}
.export-opt:hover {
    background: var(--bg-hover);
    color: var(--accent-light);
}

/* ── Nav Tabs ────────────────────────────────────────────────────────────── */
#nav-tabs {
    display: flex;
    align-items: flex-end;
    padding: 0 20px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 2px;
}

.tab {
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
    user-select: none;
    white-space: nowrap;
}

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

.tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* ── Content ─────────────────────────────────────────────────────────────── */
#content {
    flex: 1;
    overflow: auto;
    padding: 24px;
}

/* ── Tab Panels ─────────────────────────────────────────────────────────── */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* ── Master Schedule Panel ──────────────────────────────────────────────── */
#panel-master-schedule {
    display: none;
    flex-direction: column;
    gap: 20px;
}

#panel-master-schedule.active {
    display: flex;
}

/* ── Stats Bar ──────────────────────────────────────────────────────────── */
#stats-bar {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 14px 20px;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-muted);
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-sub {
    font-size: 11px;
    color: var(--text-secondary);
}

/* ── Gantt Placeholder ──────────────────────────────────────────────────── */
#gantt-placeholder {
    background: var(--bg-panel);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    flex: 1;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

#gantt-placeholder .ph-icon {
    font-size: 48px;
    opacity: 0.3;
}

#gantt-placeholder h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
}

#gantt-placeholder p {
    font-size: 14px;
    color: var(--text-muted);
    max-width: 420px;
}

#gantt-placeholder .ph-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--accent-dim);
    border: 1px solid var(--accent);
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 0.5px;
}

/* ── Generic Tab Panels ─────────────────────────────────────────────────── */
.placeholder-panel {
    background: var(--bg-panel);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    color: var(--text-muted);
}

.placeholder-panel h2 {
    font-size: 18px;
    color: var(--text-secondary);
}

/* ── Modal Overlay ──────────────────────────────────────────────────────── */
#modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(2px);
}

#modal-overlay.hidden {
    display: none;
}

/* ── Name Picker Modal ──────────────────────────────────────────────────── */
#name-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 36px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow);
}

#name-modal h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

#name-modal .modal-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--text-secondary);
    margin-bottom: 7px;
}

.form-group select,
.form-group input[type="text"] {
    width: 100%;
    padding: 10px 12px;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s;
    appearance: none;
    -webkit-appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b949e' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
    cursor: pointer;
}

.form-group select:focus,
.form-group input[type="text"]:focus {
    border-color: var(--accent);
}

.form-group select option {
    background: var(--bg-card);
}

#other-name-group {
    display: none;
}

#other-name-group.visible {
    display: block;
}

#confirm-name-btn {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: #0d1117;
    border: none;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.15s;
    letter-spacing: 0.3px;
}

#confirm-name-btn:hover {
    background: var(--accent-light);
}

#confirm-name-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
}

/* ── Loading ─────────────────────────────────────────────────────────────── */
#loading-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 700px) {
    #header-logo { display: none; }
    #header-title { font-size: 14px; }
    #nav-tabs { overflow-x: auto; }
    .tab { padding: 10px 12px; font-size: 12px; }
    #content { padding: 16px; }
}

/* ── Phase 2: Layout adjustments for Gantt ──────────────────────────────── */

#content {
    padding: 0;
    overflow: hidden;
}

#panel-master-schedule {
    display: none;
    flex-direction: column;
    height: 100%;
}

#panel-master-schedule.active {
    display: flex;
}

#stats-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    padding: 12px 20px;
    background: var(--bg-deep);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

#stats-bar .stat-card {
    padding: 10px 16px;
    min-width: 110px;
}

#stats-bar .stat-value {
    font-size: 20px;
}

#gantt_here {
    flex: 1;
    width: 100%;
    min-height: 400px;
    overflow: hidden;
}

/* ── Phase 2: DHTMLX dark theme overrides ─────────────────────────────── */

/* Container */
.gantt_container {
    background: var(--bg-panel) !important;
    border: none !important;
    font-family: 'Segoe UI', system-ui, sans-serif !important;
    color: var(--text-primary) !important;
}

/* Grid (left panel) */
.gantt_grid_scale,
.gantt_task_scale {
    background: var(--bg-card) !important;
    border-color: var(--border) !important;
}

.gantt_grid_head_cell {
    color: var(--text-secondary) !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 0.6px !important;
    border-color: var(--border) !important;
}

.gantt_row,
.gantt_task_row {
    border-color: var(--border) !important;
    background: var(--bg-panel) !important;
}

.gantt_row.odd,
.gantt_task_row.odd {
    background: var(--bg-deep) !important;
}

.gantt_row:hover,
.gantt_task_row:hover {
    background: var(--bg-hover) !important;
}

.gantt_cell {
    color: var(--text-primary) !important;
    border-color: var(--border) !important;
    font-size: 13px !important;
}

.gantt_tree_content {
    color: var(--text-primary) !important;
}

/* Timeline */
.gantt_scale_cell {
    color: var(--text-secondary) !important;
    border-color: var(--border) !important;
    font-size: 12px !important;
}

.gantt_task_bg {
    background: var(--bg-panel) !important;
}

.gantt_task_bg .gantt_scale_row {
    border-color: var(--border) !important;
}

/* Today marker */
.gantt_marker {
    background: rgba(45, 204, 155, 0.15) !important;
    border-left: 2px solid var(--accent) !important;
}

.gantt_marker_content {
    background: var(--accent) !important;
    color: #0d1117 !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    padding: 2px 6px !important;
}

/* Dependency arrows */
.gantt_line_wrapper div {
    background: #4a5568 !important;
}

.gantt_link_arrow_right,
.gantt_link_arrow_left {
    border-color: #4a5568 !important;
}

/* Selected task */
.gantt_selected .gantt_task_line {
    box-shadow: 0 0 0 2px var(--accent) !important;
}

/* Tooltip */
.gantt_tooltip {
    background: var(--bg-card) !important;
    border: 1px solid var(--border) !important;
    color: var(--text-primary) !important;
    font-size: 13px !important;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5) !important;
}

/* Vertical grid lines */
.gantt_task_vline {
    border-color: var(--border) !important;
}

/* ── Phase 2: Task bar colors by phase ─────────────────────────────────── */

/* Default */
.gantt_task_line {
    border-radius: 3px !important;
}

/* Zero-day tasks — render as a thin visible marker line */
.gantt_task_line.task-zero-day {
    min-width: 4px !important;
    border-radius: 2px !important;
}

/* Procurement — blue */
.gantt_task_line.task-procurement {
    background: #4a90d9 !important;
    border-color: #2b5b9e !important;
}
.gantt_task_line.task-procurement .gantt_task_progress {
    background: #2b5b9e !important;
}

/* Preconstruction — slate */
.gantt_task_line.task-preconstruction {
    background: #5c677d !important;
    border-color: #3d4757 !important;
}
.gantt_task_line.task-preconstruction .gantt_task_progress {
    background: #3d4757 !important;
}

/* Fabrication — orange */
.gantt_task_line.task-fabrication {
    background: #e8820c !important;
    border-color: #a85c08 !important;
}
.gantt_task_line.task-fabrication .gantt_task_progress {
    background: #a85c08 !important;
}

/* Delivery — amber */
.gantt_task_line.task-delivery {
    background: #d4a017 !important;
    border-color: #a07010 !important;
}
.gantt_task_line.task-delivery .gantt_task_progress {
    background: #a07010 !important;
}

/* Field Execution — green */
.gantt_task_line.task-field {
    background: #27ae60 !important;
    border-color: #1e8449 !important;
}
.gantt_task_line.task-field .gantt_task_progress {
    background: #1e8449 !important;
}

/* Startup / Commissioning — purple */
.gantt_task_line.task-commissioning {
    background: #8e44ad !important;
    border-color: #6c3483 !important;
}
.gantt_task_line.task-commissioning .gantt_task_progress {
    background: #6c3483 !important;
}

/* Task text */
.gantt_task_content {
    color: #fff !important;
    font-size: 11px !important;
    font-weight: 500 !important;
}

/* Parent/summary bar */
.gantt_task_line.gantt_project {
    background: #2dcc9b !important;
    border-color: #1a7a5e !important;
    border-radius: 0 !important;
}

/* ── Phase 3: Critical path (manual flag) ───────────────────────────────── */
#gantt_here.cp-on .gantt_task_line.task-critical {
    filter: brightness(1.4) !important;
    box-shadow: 0 0 0 2px #e74c3c, 0 0 6px rgba(231,76,60,0.6) !important;
}
#gantt_here.cp-on .gantt_task_line.task-critical .gantt_task_progress {
    background: rgba(231, 76, 60, 0.45) !important;
}

/* ── Phase 4: 6-Week Lookahead ──────────────────────────────────────────── */
#panel-lookahead {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

#panel-lookahead.active {
    display: flex;
}

#lookahead-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    font-size: 13px;
}

#lookahead-window-label { color: var(--text-muted); font-weight: 500; }
#lookahead-count-label  { color: var(--accent); font-weight: 600; }

#lookahead-scroll {
    flex: 1;
    overflow: auto;
}

#lookahead-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    table-layout: fixed;
}

#lookahead-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-panel);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: .04em;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
    z-index: 10;
}

#lookahead-table tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.1s;
}
#lookahead-table tbody tr:hover { background: rgba(255,255,255,0.04); }

#lookahead-table tbody td {
    padding: 7px 10px;
    color: var(--text-primary);
    vertical-align: top;
}

/* Column widths */
.col-wbs    { width: 60px; }
.col-name   { width: 220px; }
.col-phase  { width: 110px; }
.col-date   { width: 90px;  white-space: nowrap; }
.col-days   { width: 46px;  text-align: center; }
.col-resp   { width: 110px; }
.col-status { width: 90px;  }
.col-impacts { width: auto; white-space: pre-wrap; color: var(--text-muted); }

/* Row urgency */
tr.row-active  { background: rgba(231, 76, 60, 0.10); }
tr.row-urgent  { background: rgba(212, 160, 23, 0.10); }
tr.row-active:hover { background: rgba(231, 76, 60, 0.16); }
tr.row-urgent:hover { background: rgba(212, 160, 23, 0.16); }

.empty-cell, .error-cell {
    text-align: center;
    padding: 32px !important;
    color: var(--text-muted);
    font-style: italic;
}

/* ── Ribbon ─────────────────────────────────────────────────────────────── */
#stats-bar-actions {
    flex: 1;
    display: flex;
    align-items: stretch;
    margin-left: 8px;
    border-left: 1px solid var(--border);
    padding-left: 4px;
    min-width: 0;
}

/* Ribbon group: stacks btns row on top + group label on bottom */
.rb-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 4px 6px 2px;
    min-width: 0;
    flex-shrink: 0;
}

.rb-btns {
    display: flex;
    align-items: center;
    gap: 1px;
    flex: 1;
}

.rb-group-name {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
}

/* Vertical separator between groups */
.rb-sep {
    width: 1px;
    background: var(--border);
    margin: 5px 3px;
    align-self: stretch;
    flex-shrink: 0;
}

/* Spacer to push right-side groups to the right */
.rb-spacer { flex: 1; }

/* Ribbon button: icon stacked above label */
.rb-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 5px 8px;
    min-width: 42px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: background 0.12s, color 0.12s, border-color 0.12s;
    white-space: nowrap;
    flex-shrink: 0;
}
.rb-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border);
}
.rb-btn:disabled,
.rb-btn[disabled] {
    opacity: 0.35;
    cursor: default;
    pointer-events: none;
}
.rb-btn.active { color: var(--accent); }
.rb-btn.active:hover { color: var(--accent-light); }

/* SVG icon inside ribbon button */
.rb-svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    display: block;
}

/* Unicode icon (used for sched-mode emoji) */
.rb-icon-lg {
    font-size: 15px;
    line-height: 1;
    display: block;
}

/* Text label below icon */
.rb-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1;
    white-space: nowrap;
}

/* Ensure link-tasks hidden/shown state works with flex */
#link-tasks-btn { display: flex; }
#link-tasks-btn.hidden { display: none !important; }

/* Select count badge in ribbon */
#select-count {
    font-size: 10px;
    font-weight: 600;
    color: var(--accent);
    padding: 2px 7px;
    background: rgba(45, 204, 155, 0.12);
    border-radius: 10px;
    white-space: nowrap;
    align-self: center;
}
#select-count.hidden { display: none; }

/* Sched mode auto highlight */
#sched-mode-btn.sched-auto { color: var(--accent); }
#sched-mode-btn.sched-auto:hover { color: var(--accent-light); }

/* Zoom control wrapped in ribbon */
.rb-zoom-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 3px 4px;
}
.rb-zoom-wrap .rb-label {
    margin-top: 0;
}

.stat-value-sm {
    font-size: 14px !important;
    line-height: 1.3 !important;
    padding-top: 4px;
}

/* ── Panel / column resize drag handles ─────────────────────────────────── */
.gantt_grid {
    position: relative !important;
}

#rm-panel-resize {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    cursor: col-resize;
    z-index: 200;
    background: transparent;
    transition: background 0.1s;
}

#rm-panel-resize:hover {
    background: rgba(45, 204, 155, 0.4);
}

/* ── Zoom control ────────────────────────────────────────────────────────── */
#zoom-control {
    display: flex;
    align-items: center;
    gap: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

#zoom-control button {
    padding: 4px 9px;
    background: var(--bg-panel);
    color: var(--text-primary);
    border: none;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    line-height: 1;
    transition: background 0.12s, color 0.12s;
}

#zoom-control button:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--accent);
}

#zoom-control button:disabled {
    color: var(--text-muted);
    cursor: default;
}

#zoom-label {
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent);
    background: var(--bg-card);
    min-width: 46px;
    text-align: center;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    user-select: none;
}

/* ── Settings tab ────────────────────────────────────────────────────────── */
#panel-settings {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

#panel-settings.active {
    display: flex;
}

#settings-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 32px;
}

#settings-form {
    max-width: 760px;
    margin: 0 auto;
}

.settings-section {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 24px;
}

.settings-section h3 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.7px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.settings-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.settings-full {
    grid-column: 1 / -1;
}

.settings-section .form-group label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.settings-section .form-group input,
.settings-section .form-group textarea {
    width: 100%;
    padding: 9px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.15s;
}

.settings-section .form-group input:focus,
.settings-section .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.settings-section .form-group textarea {
    resize: vertical;
    min-height: 72px;
}

.settings-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.settings-status-ok  { color: var(--accent);  font-size: 13px; }
.settings-status-err { color: var(--danger);  font-size: 13px; }

/* Non-working day column shading */
.gantt_task_cell.rm-nonworking {
    background-color: rgba(0, 0, 0, 0.10);
}

/* Working Calendar */
.wd-day-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 4px;
}
.wd-day {
    display: flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 14px;
    font-size: 13px;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s, border-color 0.15s;
}
.wd-day input[type="checkbox"] { accent-color: var(--accent); cursor: pointer; }
.wd-day:has(input:checked) {
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    border-color: var(--accent);
    color: var(--accent);
}
.wd-toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
}
.wd-toggle-label input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }

.holiday-preview {
    margin-top: 10px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
}
.holiday-preview.hidden { display: none; }
.holiday-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 12px;
    color: var(--text-muted);
}
.btn-ghost-sm {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 11px;
    cursor: pointer;
}
.btn-ghost-sm:hover { border-color: var(--accent); color: var(--accent); }
.holiday-list {
    list-style: none;
    padding: 0 12px 10px;
    margin: 0;
    columns: 2;
    gap: 4px;
}
.holiday-list.hidden { display: none; }
.holiday-list li {
    display: flex;
    gap: 8px;
    padding: 3px 0;
    font-size: 12px;
    break-inside: avoid;
}
.hol-date { color: var(--accent); min-width: 110px; font-variant-numeric: tabular-nums; }
.hol-name { color: var(--text-muted); }

.gantt_grid_head_cell {
    position: relative !important;
}

.rm-col-resize {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    cursor: col-resize;
    z-index: 100;
    background: transparent;
}

.rm-col-resize:hover {
    background: rgba(45, 204, 155, 0.35);
}

#rm-col-drag-line {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent);
    pointer-events: none;
    z-index: 9999;
    display: none;
}

#undo-btn {
    padding: 5px 10px;
    background: var(--bg-panel);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
#undo-btn:not(:disabled):hover { background: var(--bg-hover); color: var(--accent); border-color: var(--accent); }
#undo-btn:disabled { opacity: 0.35; cursor: default; }

#sched-mode-btn {
    padding: 5px 10px;
    background: var(--bg-panel);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .04em;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
#sched-mode-btn.sched-auto {
    background: rgba(46,204,113,0.12);
    color: #2ecc71;
    border-color: #2ecc71;
}
#sched-mode-btn:hover { background: var(--bg-hover); }

#cp-toggle-btn {
    padding: 5px 10px;
    background: var(--bg-panel);
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .05em;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
    white-space: nowrap;
}
#cp-toggle-btn.active {
    background: rgba(231,76,60,0.12);
    color: #e74c3c;
    border-color: #e74c3c;
}
#cp-toggle-btn:hover { background: var(--bg-hover); }

/* Column toggle dropdown */
.col-toggle-wrap { position: relative; }

#col-toggle-btn {
    padding: 5px 12px;
    background: var(--bg-panel);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    cursor: pointer;
    transition: background 0.15s;
    white-space: nowrap;
}
#col-toggle-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

#col-toggle-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 200;
    min-width: 140px;
    padding: 6px 0;
}
#col-toggle-dropdown.hidden { display: none; }

.col-toggle-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}
.col-toggle-item:hover { background: var(--bg-hover); }
.col-toggle-item input { cursor: pointer; accent-color: var(--accent); }

/* GC / CP flag columns — shared button shape */
.gc-flag-on, .gc-flag-off,
.cp-flag-on, .cp-flag-off {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s, color 0.15s;
}

/* GC — on */
.gc-flag-on {
    background: rgba(45,204,155,0.18);
    color: var(--accent);
}
.gc-flag-on:hover { background: rgba(45,204,155,0.28); }

/* GC — off (greyed button, same shape) */
.gc-flag-off {
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.08);
}
.gc-flag-off:hover {
    background: rgba(45,204,155,0.10);
    color: var(--accent);
    border-color: rgba(45,204,155,0.25);
}

/* CP — on */
.cp-flag-on {
    background: rgba(220,60,60,0.18);
    color: #e05555;
}
.cp-flag-on:hover { background: rgba(220,60,60,0.28); }

/* CP — off (greyed button, same shape) */
.cp-flag-off {
    background: rgba(255,255,255,0.05);
    color: var(--text-muted);
    border: 1px solid rgba(255,255,255,0.08);
}
.cp-flag-off:hover {
    background: rgba(220,60,60,0.10);
    color: #e05555;
    border-color: rgba(220,60,60,0.25);
}

/* Task Detail Modal */
#task-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center; z-index: 3000;
}
#task-modal-overlay.hidden { display: none; }
#task-modal {
    background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius);
    width: 720px; max-width: 95vw; max-height: 90vh;
    display: flex; flex-direction: column; overflow: hidden;
}
#task-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px 12px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
#task-modal-header h2 { margin: 0; font-size: 15px; font-weight: 600; color: var(--text-primary); }
#task-modal-close {
    background: none; border: none; color: var(--text-muted); font-size: 20px;
    cursor: pointer; padding: 0 4px; line-height: 1;
}
#task-modal-close:hover { color: var(--text-primary); }
.tm-form-grid {
    display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px 16px;
    padding: 16px 20px; overflow-y: auto; flex: 1;
}
.tm-span3 { grid-column: span 3; }
.tm-flags {
    display: flex; flex-direction: column; gap: 6px;
}
.tm-check {
    display: flex; align-items: center; gap: 6px;
    font-size: 12px; color: var(--text-primary); cursor: pointer; font-weight: normal;
}
.tm-check input[type="checkbox"] { width: 14px; height: 14px; cursor: pointer; accent-color: var(--accent); }
.req { color: #e05555; margin-left: 2px; }
#task-modal-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 20px; border-top: 1px solid var(--border); flex-shrink: 0; gap: 8px;
}
#task-modal-footer-right { display: flex; gap: 8px; }
.btn-danger {
    background: rgba(220,60,60,0.15); color: #e05555; border: 1px solid rgba(220,60,60,0.3);
    padding: 6px 14px; border-radius: var(--radius); font-size: 12px; cursor: pointer;
}
.btn-danger:hover { background: rgba(220,60,60,0.28); }
#add-task-btn {
    padding: 4px 12px; background: rgba(45,204,155,0.12); color: var(--accent);
    border: 1px solid rgba(45,204,155,0.3); border-radius: var(--radius);
    font-size: 12px; cursor: pointer; white-space: nowrap;
}
#add-task-btn:hover { background: rgba(45,204,155,0.22); }

/* Lookahead bar actions */
#lookahead-bar {
    justify-content: space-between;
}
#lookahead-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}
#lookahead-export-btn, #lookahead-print-btn {
    padding: 5px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
#lookahead-export-btn {
    background: var(--accent-dim);
    color: var(--accent-light);
    border: 1px solid var(--accent);
}
#lookahead-export-btn:hover { background: var(--accent); color: #0d1117; }
#lookahead-print-btn {
    background: var(--bg-panel);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
#lookahead-print-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ── Print styles ────────────────────────────────────────────────────────── */
@media print {
    @page { size: landscape; margin: 1cm; }

    body.print-lookahead #header,
    body.print-lookahead #nav-tabs,
    body.print-lookahead #lookahead-bar,
    body.print-lookahead #modal-overlay,
    body.print-lookahead #constraint-modal-overlay,
    body.print-lookahead #startup-modal-overlay,
    body.print-lookahead #gantt-context-menu { display: none !important; }

    body.print-lookahead #content { overflow: visible !important; padding: 0 !important; }

    body.print-lookahead .tab-panel { display: none !important; }
    body.print-lookahead #panel-lookahead {
        display: block !important;
        height: auto !important;
        overflow: visible !important;
    }
    body.print-lookahead #lookahead-scroll { overflow: visible !important; height: auto !important; }
    body.print-lookahead #lookahead-table {
        font-size: 9pt !important;
        color: black !important;
        background: white !important;
        border-collapse: collapse !important;
    }
    body.print-lookahead #lookahead-table th,
    body.print-lookahead #lookahead-table td {
        color: black !important;
        background: white !important;
        border: 1px solid #ccc !important;
        padding: 4px 6px !important;
    }
    body.print-lookahead #lookahead-table thead th { background: #e8e8e8 !important; font-weight: bold !important; }
    body.print-lookahead tr.row-active td { background: #ffe8e8 !important; }
    body.print-lookahead tr.row-urgent td { background: #fff8e0 !important; }
}

/* ── Phase 5: Constraint Log ─────────────────────────────────────────────── */
#panel-constraints {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

#panel-constraints.active {
    display: flex;
}

#constraints-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 12px;
}

#constraints-bar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

#constraint-add-btn {
    padding: 6px 14px;
    background: var(--accent-dim);
    color: var(--accent-light);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
#constraint-add-btn:hover { background: var(--accent); color: #0d1117; }

.cl-toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.cl-toggle-label input { cursor: pointer; accent-color: var(--accent); }

#constraints-count-label { font-size: 13px; color: var(--accent); font-weight: 600; }

#constraints-scroll {
    flex: 1;
    overflow: auto;
}

#constraints-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    table-layout: fixed;
}

#constraints-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-panel);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: .04em;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
    z-index: 10;
}

#constraints-table tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.1s;
}
#constraints-table tbody tr:hover { background: rgba(255,255,255,0.04); }
#constraints-table tbody td {
    padding: 7px 10px;
    color: var(--text-primary);
    vertical-align: top;
}

tr.cl-row-overdue  { background: rgba(231, 76, 60, 0.08); }
tr.cl-row-resolved { opacity: 0.5; }
tr.cl-row-overdue:hover  { background: rgba(231, 76, 60, 0.14); }
tr.cl-row-resolved:hover { opacity: 0.7; background: rgba(255,255,255,0.04); }

/* Column widths */
.cl-id      { width: 36px;  }
.cl-activity{ width: 160px; }
.cl-blocked { width: 180px; white-space: pre-wrap; }
.cl-from    { width: 120px; }
.cl-date    { width: 90px;  white-space: nowrap; }
.cl-impact  { width: 160px; color: var(--text-muted); white-space: pre-wrap; }
.cl-status  { width: 90px;  }
.cl-notes   { width: auto;  color: var(--text-muted); }
.cl-actions { width: 58px;  white-space: nowrap; }

/* Status badges */
.cl-status-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .02em;
}
.cl-status-open        { background: rgba(231, 76, 60, 0.18); color: #e74c3c; }
.cl-status-inprogress  { background: rgba(212, 160, 23, 0.18); color: #d4a017; }
.cl-status-resolved    { background: rgba(45, 204, 155, 0.15); color: var(--accent); }

/* Edit / delete buttons */
.cl-btn-edit, .cl-btn-delete {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 4px;
    border-radius: 3px;
    transition: background 0.1s;
}
.cl-btn-edit  { color: var(--text-secondary); }
.cl-btn-edit:hover  { background: var(--bg-hover); color: var(--accent); }
.cl-btn-delete{ color: var(--text-muted); }
.cl-btn-delete:hover{ background: var(--bg-hover); color: var(--danger); }

/* ── Constraint Modal ────────────────────────────────────────────────────── */
#constraint-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    backdrop-filter: blur(2px);
}
#constraint-modal-overlay.hidden { display: none; }

#constraint-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    width: 100%;
    max-width: 600px;
    box-shadow: var(--shadow);
}

#constraint-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
#constraint-modal-title { font-size: 18px; font-weight: 700; }
#constraint-modal-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 22px; cursor: pointer; line-height: 1; padding: 0 4px;
}
#constraint-modal-close:hover { color: var(--text-primary); }

.cm-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px 20px;
    margin-bottom: 20px;
}
.cm-span2 { grid-column: 1 / -1; }

#constraint-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.btn-primary {
    padding: 9px 20px;
    background: var(--accent);
    color: #0d1117;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent-light); }

.btn-secondary {
    padding: 9px 20px;
    background: var(--bg-panel);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    cursor: pointer;
    transition: background 0.15s;
}
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }

/* Summary task readonly fields */
.tm-readonly {
    opacity: 0.45;
    cursor: not-allowed;
    background: rgba(255,255,255,0.03) !important;
    pointer-events: none;
}
.tm-summary-note {
    grid-column: 1 / -1;
    background: rgba(45, 204, 155, 0.08);
    border: 1px solid rgba(45, 204, 155, 0.25);
    border-radius: 4px;
    padding: 6px 10px;
    font-size: 11px;
    color: #2dcc9b;
    letter-spacing: 0.02em;
}

/* ── Phase 6: Startup & Commissioning ───────────────────────────────────── */
#panel-startup {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}
#panel-startup.active { display: flex; }

#startup-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 12px;
}
#startup-bar-left { display: flex; align-items: center; gap: 12px; }

#startup-add-btn {
    padding: 6px 14px;
    background: var(--accent-dim);
    color: var(--accent-light);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
#startup-add-btn:hover { background: var(--accent); color: #0d1117; }

#startup-count-label { font-size: 13px; color: var(--accent); font-weight: 600; }

#startup-scroll { flex: 1; overflow: auto; }

#startup-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    table-layout: fixed;
    min-width: 900px;
}

#startup-table thead th {
    position: sticky;
    top: 0;
    background: var(--bg-panel);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: .04em;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
    z-index: 10;
}

#startup-table tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background 0.1s;
}
#startup-table tbody tr:hover { background: rgba(255,255,255,0.04); }
#startup-table tbody td { padding: 7px 10px; color: var(--text-primary); vertical-align: middle; }

tr.sc-row-complete { opacity: 0.55; }
tr.sc-row-complete:hover { opacity: 0.8; }

/* Column widths */
.sc-system { width: 160px; }
.sc-area   { width: 90px;  }
.sc-status { width: 88px;  }
.sc-date   { width: 90px; text-align: center; white-space: nowrap; }
.sc-notes  { width: auto; color: var(--text-muted); }

/* Milestone date cells */
.sc-date-filled { color: var(--accent); font-weight: 500; }
.sc-date-empty  { color: var(--text-muted); }

/* Status badges reuse .cl-status-badge */
.sc-status-notstarted { background: rgba(74, 85, 104, 0.3); color: var(--text-secondary); }
.sc-status-inprogress { background: rgba(212,160,23,0.18); color: #d4a017; }
.sc-status-complete   { background: rgba(45,204,155,0.15); color: var(--accent); }

/* System name + mini progress bar */
.sc-system-name { font-weight: 500; margin-bottom: 4px; }
.sc-progress-bar {
    height: 3px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}
.sc-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s;
}

/* Startup modal reuses constraint modal styles; just override overlay z-index */
#startup-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1001;
    backdrop-filter: blur(2px);
}
#startup-modal-overlay.hidden { display: none; }

#startup-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    width: 100%;
    max-width: 620px;
    box-shadow: var(--shadow);
}

#startup-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}
#startup-modal-title { font-size: 18px; font-weight: 700; }
#startup-modal-close {
    background: none; border: none; color: var(--text-muted);
    font-size: 22px; cursor: pointer; line-height: 1; padding: 0 4px;
}
#startup-modal-close:hover { color: var(--text-primary); }

#startup-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ── Gantt Context Menu ──────────────────────────────────────────────────── */
#gantt-context-menu {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 1002;
    min-width: 160px;
    padding: 4px 0;
}
#gantt-context-menu.hidden { display: none; }

/* ── Parent Change Modal ──────────────────────────────────────────────────── */
#pcm-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.55);
    z-index: 9000; display: flex; align-items: center; justify-content: center;
}
#pcm-overlay.hidden { display: none; }
#pcm-modal {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: 8px; width: 360px; box-shadow: 0 8px 32px rgba(0,0,0,0.45);
    display: flex; flex-direction: column;
}
.pcm-header {
    padding: 14px 18px 10px; font-size: 14px; font-weight: 700;
    color: var(--accent); border-bottom: 1px solid var(--border);
}
.pcm-body { padding: 14px 18px; display: flex; flex-direction: column; gap: 8px; }
.pcm-body p { margin: 0; font-size: 12px; color: var(--text-muted); line-height: 1.5; }
.pcm-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
#pcm-filter {
    padding: 6px 10px; background: var(--bg-input, var(--bg-hover));
    border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-primary); font-size: 12px; outline: none;
}
#pcm-filter:focus { border-color: var(--accent); }
#pcm-select {
    background: var(--bg-input, var(--bg-hover)); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-primary); font-size: 12px;
    padding: 4px; outline: none; height: 140px;
}
#pcm-select:focus { border-color: var(--accent); }
#pcm-select option { padding: 4px 6px; }
.pcm-footer {
    padding: 10px 18px 14px; display: flex; gap: 8px; justify-content: flex-end;
    border-top: 1px solid var(--border);
}
#pcm-apply-btn {
    padding: 7px 16px; background: var(--accent); color: #fff;
    border: none; border-radius: var(--radius); font-size: 12px;
    font-weight: 600; cursor: pointer;
}
#pcm-apply-btn:hover { opacity: 0.88; }
#pcm-keep-btn {
    padding: 7px 14px; background: transparent; color: var(--text-muted);
    border: 1px solid var(--border); border-radius: var(--radius);
    font-size: 12px; cursor: pointer;
}
#pcm-keep-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.gcm-item {
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}
.gcm-item:hover { background: var(--bg-hover); color: var(--accent); }
.gcm-item.gcm-edit { color: var(--accent); font-weight: 600; }
.gcm-item.gcm-edit:hover { background: rgba(45,204,155,0.12); }
.gcm-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Gantt row selection ─────────────────────────────────────────────────── */
.gantt_row.gantt_selected > .gantt_cell,
.gantt_row.gantt_task_row.gantt_selected > .gantt_cell {
    background-color: rgba(45, 204, 155, 0.10) !important;
}
.gantt_task_row.gantt_selected {
    background-color: rgba(45, 204, 155, 0.06) !important;
}

/* ── Inline cell editors ─────────────────────────────────────────────────── */
.gantt_grid_data .gantt_cell_edit input,
.gantt_grid_data .gantt_cell_edit select {
    background: var(--bg-hover) !important;
    border: 1px solid var(--accent) !important;
    color: var(--text-primary) !important;
    border-radius: 3px;
    padding: 2px 5px;
    font-size: 13px;
    font-family: inherit;
    width: 100%;
    box-sizing: border-box;
}
.gantt_grid_data .gantt_cell_edit {
    padding: 0 !important;
    overflow: visible !important;
}

/* ── Indent / Outdent buttons ────────────────────────────────────────────── */
#indent-btn, #outdent-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
#indent-btn:hover, #outdent-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ── Summary task date cells — read-only visual hint ────────────────────── */
.gantt_grid_data .gantt_row.gantt_row_task:has(.gantt_cell[data-column-name="start_date"]) {
    /* handled per-column below via JS-added class on the row */
}
.gantt_grid_data .gantt_row.gantt_has_child .gantt_cell[data-column-name="start_date"],
.gantt_grid_data .gantt_row.gantt_has_child .gantt_cell[data-column-name="end_date"],
.gantt_grid_data .gantt_row.gantt_has_child .gantt_cell[data-column-name="duration"] {
    color: var(--text-muted, #666);
    cursor: not-allowed;
}

/* ── Scheduling conflict indicators ─────────────────────────────────────── */
.gantt_grid_data .task-conflict .gantt_cell {
    border-bottom: 2px solid #e74c3c;
}
.gantt_grid_data .task-conflict .gantt_cell[data-column-name="start_date"],
.gantt_grid_data .task-conflict .gantt_cell[data-column-name="end_date"] {
    color: #e74c3c;
}

#conflict-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 9px;
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid rgba(231, 76, 60, 0.5);
    color: #e74c3c;
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    cursor: default;
}
#conflict-badge.hidden { display: none; }

/* ── Phantom (always-empty new-row) ─────────────────────────────────────── */
/* Hide the bar on the timeline side */
.gantt_task_line.task-phantom { display: none !important; }

/* Grid row styling */
.gantt_grid_data .gantt_row.phantom-row > .gantt_cell {
    opacity: 0.38;
    font-style: italic;
}
/* Show a "double-click to add" hint in the task name cell */
.gantt_grid_data .gantt_row.phantom-row .gantt_tree_content:empty::before,
.gantt_grid_data .gantt_row.phantom-row .gantt_tree_content::before {
    content: 'Double-click to add a task…';
    color: var(--text-muted);
    font-style: italic;
    font-size: 11px;
    pointer-events: none;
}
/* Dashed separator above the phantom row */
.gantt_grid_data .gantt_row.phantom-row {
    border-top: 1px dashed var(--border);
}

/* ── Multi-select — checkbox column ─────────────────────────────────────── */
.rm-chk {
    display: inline-block;
    width: 14px; height: 14px;
    border: 1.5px solid var(--border);
    border-radius: 3px;
    background: transparent;
    cursor: pointer;
    vertical-align: middle;
    position: relative;
    transition: background 0.1s, border-color 0.1s;
    pointer-events: none; /* click handled by onTaskClick, not the span itself */
}
.rm-chk.rm-chk-on {
    background: var(--accent);
    border-color: var(--accent);
}
.rm-chk.rm-chk-on::after {
    content: '';
    position: absolute;
    left: 3px; top: 0px;
    width: 5px; height: 9px;
    border: 2px solid #fff;
    border-top: none;
    border-left: none;
    transform: rotate(42deg);
}

/* ── Multi-select — row highlight ───────────────────────────────────────── */
.gantt_grid_data .gantt_row.rm-selected > .gantt_cell {
    background: rgba(52, 152, 219, 0.14);
}

/* ── Multi-select — selection count badge ───────────────────────────────── */
#select-count {
    display: inline-flex;
    align-items: center;
    background: rgba(52,152,219,0.12);
    color: #3498db;
    border: 1px solid rgba(52,152,219,0.35);
    border-radius: var(--radius);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 8px;
    white-space: nowrap;
}
#select-count.hidden { display: none; }
#link-tasks-btn.hidden { display: none; }

/* ── Read-only banner ────────────────────────────────────────────────────── */
#ro-banner {
    background: #2d4a2d;
    border-bottom: 1px solid #4a7c4a;
    color: #7ecb7e;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 6px 16px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 9998;
}

/* Disabled inputs in view-only modal */
#task-modal input:disabled,
#task-modal textarea:disabled,
#task-modal select:disabled {
    opacity: 0.6;
    cursor: default;
    background: rgba(255,255,255,0.03);
}

#gantt-toast {
    position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
    background: var(--bg-card); border: 1px solid var(--border);
    color: var(--text-primary); padding: 8px 18px;
    border-radius: var(--radius); font-size: 12px;
    box-shadow: var(--shadow); z-index: 9999;
    opacity: 0; transition: opacity 0.2s; pointer-events: none; white-space: nowrap;
}
#gantt-toast.visible { opacity: 1; }

/* ── Landing Page ────────────────────────────────────────────────────────── */
.landing-body { overflow: auto; }

#landing-app {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#landing-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 54px;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 16px;
}

#landing-header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

#landing-header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

#landing-main {
    flex: 1;
    padding: 32px 24px;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

#projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
    gap: 18px;
}

.proj-empty {
    grid-column: 1 / -1;
    color: var(--text-secondary);
    padding: 60px;
    text-align: center;
    font-size: 15px;
}

.proj-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.proj-card:hover {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent-dim), var(--shadow);
    transform: translateY(-1px);
}

.proj-card-header { display: flex; flex-direction: column; gap: 4px; }

.proj-number {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--accent);
    min-height: 16px;
}

.proj-name {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.proj-sched-name {
    font-size: 13px;
    color: var(--accent);
    font-weight: 500;
    margin-top: 1px;
}
.proj-gc { font-size: 12px; color: var(--text-secondary); }

.proj-stats {
    display: flex;
    background: var(--bg-panel);
    border-radius: var(--radius);
    overflow: hidden;
}

.proj-stat {
    flex: 1;
    padding: 10px 8px;
    text-align: center;
    border-right: 1px solid var(--border);
}
.proj-stat:last-child { border-right: none; }

.proj-stat-val {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}
.proj-stat-date { font-size: 12px; }

.proj-stat-lbl {
    font-size: 10px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-top: 3px;
}

.proj-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.proj-modified { font-size: 11px; color: var(--text-muted); }

.proj-delete-btn {
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 16px;
    padding: 2px 6px;
    cursor: pointer;
    line-height: 1;
    transition: color 0.1s, border-color 0.1s;
}
.proj-delete-btn:hover { color: var(--danger); border-color: var(--danger); }

/* ── Landing Modals ──────────────────────────────────────────────────────── */
#lp-modal-overlay,
#lp-xml-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9000;
}
#lp-modal-overlay.hidden,
#lp-xml-overlay.hidden { display: none; }

#lp-modal,
#lp-xml-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 540px;
    max-width: 95vw;
    box-shadow: var(--shadow);
}

.lp-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--border);
}
.lp-modal-header h2 { font-size: 16px; font-weight: 600; }
.lp-modal-header button {
    background: none; border: none;
    color: var(--text-secondary);
    font-size: 20px; cursor: pointer; padding: 0 4px;
}
.lp-modal-header button:hover { color: var(--text-primary); }

.lp-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    padding: 18px 20px;
}
.lp-span2 { grid-column: 1 / -1; }

.lp-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 14px 20px;
    border-top: 1px solid var(--border);
}

.lp-error {
    flex: 1;
    font-size: 12px;
    color: var(--danger);
}

.lp-hint {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 400;
}

.file-drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 22px;
    text-align: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
    font-size: 13px;
}
.file-drop-zone:hover,
.file-drop-zone.drag-over {
    border-color: var(--accent);
    background: rgba(45,204,155,0.05);
    color: var(--accent);
}

/* ── Project Header additions (index.html) ───────────────────────────────── */
#header-back-link {
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 4px 8px;
    border-radius: var(--radius);
    white-space: nowrap;
    transition: color 0.15s, background 0.15s;
}
#header-back-link:hover { color: var(--text-primary); background: var(--bg-hover); }

#proj-switcher-wrap { position: relative; }

#proj-switcher-btn {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 12px;
    padding: 5px 10px;
    cursor: pointer;
    white-space: nowrap;
    transition: border-color 0.15s, color 0.15s;
}
#proj-switcher-btn:hover { border-color: var(--accent); color: var(--text-primary); }

#proj-switcher-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 260px;
    z-index: 8000;
    max-height: 340px;
    overflow-y: auto;
}
#proj-switcher-dropdown.hidden { display: none; }

.psd-item {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}
.psd-item:last-child { border-bottom: none; }
.psd-item:hover { background: var(--bg-hover); }
.psd-item.psd-active { border-left: 2px solid var(--accent); padding-left: 12px; }

.psd-item-number {
    font-size: 10px;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.psd-item-name { color: var(--text-primary); font-weight: 500; }

/* ── Paste Tasks Button ──────────────────────────────────────────────────── */
#paste-tasks-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
}
#paste-tasks-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── Paste Tasks Modal ───────────────────────────────────────────────────── */
#paste-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000;
}
#paste-modal-overlay.hidden { display: none; }
#paste-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 660px; max-width: 95vw; max-height: 85vh;
    display: flex; flex-direction: column; overflow: hidden;
}
#paste-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--border);
}
#paste-modal-header h2 { margin: 0; font-size: 16px; color: var(--text-primary); }
#paste-modal-header button {
    background: none; border: none; color: var(--text-muted);
    font-size: 20px; cursor: pointer; padding: 0 4px;
}
#paste-modal-header button:hover { color: var(--text-primary); }
.paste-hint {
    margin: 10px 20px 6px;
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}
#paste-textarea {
    margin: 0 20px;
    resize: vertical;
    min-height: 90px;
    max-height: 180px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: monospace;
    font-size: 12px;
    padding: 8px;
    width: calc(100% - 40px);
    box-sizing: border-box;
}
#paste-textarea:focus { border-color: var(--accent); outline: none; }
#paste-preview {
    margin: 8px 20px 4px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
.paste-preview-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.paste-preview-table th {
    text-align: left;
    padding: 4px 8px;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
    font-weight: 600;
    position: sticky; top: 0;
    background: var(--bg-card);
}
.paste-preview-table td {
    padding: 3px 8px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    color: var(--text-primary);
}
.paste-preview-table tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.paste-preview-table td:first-child { color: var(--text-muted); width: 28px; text-align: right; }
.paste-empty { color: var(--text-muted); font-size: 12px; margin: 6px 0; }
.paste-more  { color: var(--text-muted); font-size: 11px; margin: 4px 0 0; }
#paste-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    gap: 12px;
    flex-shrink: 0;
}

/* ── PDF Import Button ───────────────────────────────────────────────────── */
#pdf-tasks-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 4px;
    padding: 4px 10px;
    cursor: pointer;
    font-size: 12px;
}
#pdf-tasks-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ── PDF Import Modal ────────────────────────────────────────────────────── */
#pdf-modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
    z-index: 2000;
}
#pdf-modal-overlay.hidden { display: none; }
#pdf-modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    width: 740px; max-width: 95vw; max-height: 85vh;
    display: flex; flex-direction: column; overflow: hidden;
}
#pdf-modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
#pdf-modal-header h2 { margin: 0; font-size: 16px; color: var(--text-primary); }
#pdf-modal-header button {
    background: none; border: none; color: var(--text-muted);
    font-size: 20px; cursor: pointer; padding: 0 4px;
}
#pdf-modal-header button:hover { color: var(--text-primary); }
#pdf-drop-zone {
    margin: 16px 20px 8px;
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 28px 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    flex-shrink: 0;
}
#pdf-drop-zone:hover, #pdf-drop-zone.pdf-drop-active {
    border-color: var(--accent);
    background: rgba(45,204,155,0.05);
}
#pdf-drop-icon { font-size: 28px; color: var(--accent); display: block; margin-bottom: 6px; }
#pdf-drop-text { margin: 0; font-size: 13px; color: var(--text-muted); }
#pdf-browse-trigger {
    color: var(--accent); cursor: pointer; text-decoration: underline;
}
#pdf-file-name {
    margin: 6px 0 0; font-size: 12px; color: var(--text-primary);
    font-style: italic; min-height: 16px;
}
#pdf-progress-bar {
    margin: 8px 20px 0;
    height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
    flex-shrink: 0;
}
#pdf-progress-bar.hidden { display: none; }
#pdf-progress-fill {
    height: 100%;
    width: 40%;
    background: var(--accent);
    border-radius: 2px;
    animation: pdf-slide 1.2s ease-in-out infinite;
}
@keyframes pdf-slide {
    0%   { transform: translateX(-150%); }
    100% { transform: translateX(350%); }
}
#pdf-parse-status {
    margin: 4px 20px;
    font-size: 12px;
    min-height: 18px;
    flex-shrink: 0;
}
.pdf-status-loading { color: var(--text-muted); }
.pdf-status-ok      { color: var(--accent); }
.pdf-status-error   { color: #f87171; }
#pdf-preview {
    margin: 6px 20px 4px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}
#pdf-modal-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    gap: 12px;
    flex-shrink: 0;
}
#pdf-task-count { font-size: 12px; color: var(--text-muted); }

/* ── Respect Links Confirm Modal ─────────────────────────────────────────── */
#rl-modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center; z-index: 3500;
}
#rl-modal-overlay.hidden { display: none; }
#rl-modal {
    background: var(--bg-panel); border: 1px solid var(--border);
    border-radius: var(--radius); width: 420px; max-width: 90vw; box-shadow: var(--shadow);
}
#rl-modal-header {
    padding: 14px 18px; border-bottom: 1px solid var(--border);
    font-size: 14px; font-weight: 600; color: var(--text-primary);
}
#rl-modal-body {
    padding: 16px 18px; font-size: 13px; color: var(--text-secondary); line-height: 1.65;
}
#rl-modal-body p { margin: 0 0 10px; }
#rl-modal-body p:last-child { margin-bottom: 0; }
.rl-warning { color: var(--accent); }
#rl-modal-footer {
    padding: 12px 18px; display: flex; justify-content: flex-end;
    gap: 8px; border-top: 1px solid var(--border);
}

/* ── Column Filter Bar ───────────────────────────────────────────────────── */
#rm-filter-bar {
    display: flex;
    align-items: center;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    height: 28px;
    flex-shrink: 0;
    overflow: hidden;
}
#rm-filter-bar.hidden { display: none; }

.rm-filter-cell {
    display: flex;
    align-items: center;
    padding: 2px 3px;
    border-right: 1px solid var(--border);
    box-sizing: border-box;
    height: 100%;
    flex-shrink: 0;
    overflow: hidden;
}

.rm-filter-input,
.rm-filter-select {
    width: 100%;
    height: 20px;
    box-sizing: border-box;
    padding: 1px 5px;
    font-size: 11px;
    font-family: inherit;
    background: var(--bg-deep);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: 3px;
    outline: none;
    transition: border-color 0.15s;
}
.rm-filter-input::placeholder { color: var(--text-muted); }
.rm-filter-input:focus,
.rm-filter-select:focus  { border-color: var(--accent); }
.rm-filter-input.rm-filter-active,
.rm-filter-select.rm-filter-active {
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, var(--bg-deep));
}

.rm-filter-clear-btn {
    margin-left: 6px;
    padding: 2px 8px;
    font-size: 11px;
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
    border-radius: 3px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background 0.15s;
}
.rm-filter-clear-btn:hover { background: rgba(224,82,82,0.15); }

/* Filter toggle button states */
#filter-toggle-btn {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 4px;
    padding: 3px 10px;
    cursor: pointer;
    font-size: 12px;
    transition: border-color 0.15s, color 0.15s;
}
#filter-toggle-btn:hover       { border-color: var(--accent); color: var(--accent); }
#filter-toggle-btn.active      { border-color: var(--accent-dim); color: var(--text-primary); }
#filter-toggle-btn.filter-has-active {
    border-color: var(--accent);
    color: var(--accent);
    background: color-mix(in srgb, var(--accent) 12%, transparent);
}