/* ===========================
   CSS Patch v7 — Split View Phase Blocks
   Append to style.css (or link after existing patches)
   =========================== */

/* ===========================
   Phase Block Split Layout
   =========================== */
.phase-split {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 0;
    min-height: 200px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
}

@media (max-width: 900px) {
    .phase-split {
        grid-template-columns: 1fr;
    }
    .phase-detail-panel {
        border-left: none !important;
        border-top: 1px solid var(--color-border);
    }
}

/* ===========================
   Left: Task List
   =========================== */
.phase-task-list {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    max-height: 480px;
}

.phase-task-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition: background var(--transition-fast);
    position: relative;
    user-select: none;
}

.phase-task-row:last-child {
    border-bottom: none;
}

.phase-task-row:hover {
    background: rgba(196, 113, 74, 0.05);
}

.phase-task-row.selected {
    background: rgba(196, 113, 74, 0.09);
    border-left: 3px solid var(--color-primary);
    padding-left: 9px;
}

.phase-task-row.task-row-completed {
    background: rgba(92, 138, 90, 0.04);
}

.phase-task-row.task-row-completed.selected {
    background: rgba(92, 138, 90, 0.1);
    border-left-color: var(--color-success);
}

.phase-task-row.task-row-skipped {
    opacity: 0.6;
}

.phase-task-row.task-row-skipped.selected {
    border-left-color: var(--color-warning);
    opacity: 0.85;
}

.phase-task-row.task-row-locked {
    opacity: 0.4;
    pointer-events: none;
    background: rgba(0,0,0,0.01);
}

/* Row complete button */
.row-complete-btn {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 1.5px solid var(--color-border);
    background: transparent;
    color: transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.row-complete-btn:hover {
    border-color: var(--color-success);
}

.task-row-completed .row-complete-btn {
    background: var(--color-success);
    border-color: var(--color-success);
    color: white;
}

/* Row name */
.row-task-name {
    flex: 1;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
    min-width: 0;
}

.task-row-completed .row-task-name {
    text-decoration: line-through;
    color: var(--color-text-muted);
}

.task-row-skipped .row-task-name {
    text-decoration: line-through;
    color: var(--color-text-muted);
}

/* Row meta (date + day badge) */
.row-meta {
    display: flex;
    align-items: center;
    gap: 5px;
    flex-shrink: 0;
}

.row-date {
    font-size: 0.68rem;
    color: var(--color-text-muted);
    white-space: nowrap;
}

/* ===========================
   Right: Detail Panel
   =========================== */
.phase-detail-panel {
    display: flex;
    flex-direction: column;
    background: var(--color-surface);
    overflow: hidden;
}

.phase-detail-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    gap: 8px;
    opacity: 0.5;
    padding: 40px;
    text-align: center;
}

.phase-detail-content {
    display: none;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.phase-detail-content.visible {
    display: flex;
}

/* Detail header */
.detail-task-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    flex-shrink: 0;
}

.detail-task-title {
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-ui);
    color: var(--color-text);
    margin: 0 0 4px 0;
    line-height: 1.3;
}

.detail-task-meta-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* Detail actions bar */
.detail-actions-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
    flex-shrink: 0;
}

.detail-actions-bar .btn-skip,
.detail-actions-bar .btn-undo-skip,
.detail-actions-bar .btn-reschedule {
    font-size: 0.65rem;
}

/* Detail body — scrollable */
.detail-body {
    flex: 1;
    overflow-y: auto;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Rich text details block */
.detail-rich-text {
    font-size: 0.85rem;
    color: var(--color-text);
    background: rgba(0,0,0,0.02);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
}

/* Reschedule log inside detail */
.detail-reschedule-log {
    display: none;
}

.detail-reschedule-log.has-entries {
    display: block;
}

/* Notes section */
.detail-notes-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.detail-notes-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding-bottom: 4px;
    border-bottom: 1px dashed var(--color-border);
}

.detail-notes-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 120px;
    overflow-y: auto;
}

.detail-note-input-area {
    display: flex;
    gap: 6px;
    margin-top: 4px;
}

.detail-note-textarea {
    flex: 1;
    height: 30px;
    resize: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.3rem 0.5rem;
    font-size: 0.78rem;
    font-family: var(--font-ui);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast);
}

.detail-note-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Description under title */
.detail-task-desc {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}
/* ===========================
   Collapsible Phase Blocks
   Append to style-patch-v7-splitview.css
   =========================== */

/* Chevron icon inside phase header */
.phase-chevron {
    display: inline-flex;
    align-items: center;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.phase-chevron-collapsed {
    transform: rotate(-90deg);
}

/* The collapsible body */
.phase-collapsible-body {
    overflow: hidden;
    max-height: 2000px; /* large enough for any phase */
    transition: max-height 280ms ease, opacity 200ms ease;
    opacity: 1;
}

.phase-body-collapsed {
    max-height: 0;
    opacity: 0;
}

/* Make the header look interactive on hover */
.phase-collapse-toggle:hover .phase-chevron {
    color: var(--color-primary);
}

.phase-collapse-toggle:hover h4 {
    color: var(--color-primary);
}

/* Progress pill in phase header */
.phase-progress-pill {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.15rem 0.55rem;
    border-radius: 20px;
    background: var(--color-bg);
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    white-space: nowrap;
}

.phase-progress-done {
    background: #EAF5EA;
    color: var(--color-success);
    border-color: #C0DEC0;
}