/* Anchoring-set canvas — drag-and-drop classifier. */

.aaa-canvas-body { margin: 0; min-height: 100vh; }

.aaa-canvas-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px 40px;
    position: relative;
    z-index: 1;
}

.aaa-canvas-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.aaa-canvas-title {
    background: var(--aaa-panel-soft);
    border-radius: var(--aaa-radius);
    padding: 22px 28px;
    margin-bottom: 16px;
    box-shadow: var(--aaa-shadow);
}
.aaa-canvas-title h1 { margin: 0 0 6px; font-size: 1.6rem; color: var(--aaa-ink); }
.aaa-canvas-subtitle { margin: 0; color: var(--aaa-ink-soft); }

.aaa-canvas-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 12px;
}
.aaa-ctab {
    background: rgba(255,255,255,0.85);
    border: 1px solid transparent;
    border-radius: 10px 10px 0 0;
    padding: 10px 18px;
    cursor: pointer;
    color: var(--aaa-ink-soft);
    font-size: 0.95rem;
    font-weight: 500;
    transition: background 0.15s;
}
.aaa-ctab:hover { background: #ffffff; }
.aaa-ctab.active {
    background: #ffffff;
    color: var(--aaa-accent);
    border-color: var(--aaa-line);
    border-bottom-color: #ffffff;
}
.aaa-ctab-meter {
    margin-left: 8px;
    font-size: 0.8rem;
    color: var(--aaa-ink-muted);
}
.aaa-ctab.complete .aaa-ctab-meter { color: var(--aaa-success); font-weight: 600; }

.aaa-canvas-stage {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 16px;
    align-items: start;
}

.aaa-canvas-board {
    background: #ffffff;
    border-radius: 0 var(--aaa-radius) var(--aaa-radius) var(--aaa-radius);
    padding: 20px;
    box-shadow: var(--aaa-shadow);
    min-height: 540px;
}

.aaa-board-panel { display: none; }
.aaa-board-panel.active { display: block; }

.aaa-board-context {
    background: var(--aaa-accent-soft);
    border-left: 4px solid var(--aaa-accent);
    padding: 12px 16px;
    border-radius: var(--aaa-radius-sm);
    margin-bottom: 18px;
    font-size: 0.88rem;
    color: var(--aaa-ink);
}
.aaa-board-context strong { color: var(--aaa-accent-strong); }

.aaa-zone-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 14px;
}

.aaa-zone {
    background: var(--aaa-line-soft);
    border: 2px dashed transparent;
    border-radius: var(--aaa-radius-sm);
    padding: 12px;
    min-height: 130px;
    transition: background 0.12s, border-color 0.12s;
}
.aaa-zone[data-zone="anchored"]    { background: #ecfdf5; }
.aaa-zone[data-zone="extensible"]  { background: #eef2ff; }
.aaa-zone[data-zone="contested"]   { background: #fff7ed; }
.aaa-zone[data-zone="unplaced"]    { background: #f9fafb; min-height: 90px; }

.aaa-zone.drag-over {
    border-color: var(--aaa-accent);
    background: #fef3c7;
}

.aaa-zone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 700;
}
.aaa-zone[data-zone="anchored"] .aaa-zone-header   { color: #047857; }
.aaa-zone[data-zone="extensible"] .aaa-zone-header { color: var(--aaa-accent-strong); }
.aaa-zone[data-zone="contested"] .aaa-zone-header  { color: #b45309; }
.aaa-zone[data-zone="unplaced"] .aaa-zone-header   { color: var(--aaa-ink-muted); }

.aaa-zone-count {
    background: #ffffff;
    color: var(--aaa-ink);
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
}

.aaa-zone-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    min-height: 60px;
}

.aaa-chip {
    background: #ffffff;
    border: 1px solid var(--aaa-line);
    border-radius: 999px;
    padding: 7px 12px;
    cursor: grab;
    font-size: 0.85rem;
    color: var(--aaa-ink);
    user-select: none;
    transition: box-shadow 0.12s, transform 0.08s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.aaa-chip:hover { box-shadow: var(--aaa-shadow-sm); }
.aaa-chip:active { cursor: grabbing; transform: scale(0.97); }
.aaa-chip.selected {
    border-color: var(--aaa-accent);
    box-shadow: 0 0 0 3px var(--aaa-accent-soft);
}
.aaa-chip.dragging { opacity: 0.4; }
.aaa-chip.complete::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--aaa-success);
    font-size: 0.7rem;
}
.aaa-chip.incomplete::after {
    content: '\f06a';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    color: var(--aaa-warn);
    font-size: 0.7rem;
}
.aaa-chip.ref-anchored {
    border-color: #047857;
    border-style: dashed;
}

.aaa-canvas-detail {
    background: var(--aaa-panel);
    border-radius: var(--aaa-radius);
    padding: 20px;
    box-shadow: var(--aaa-shadow);
    position: sticky;
    top: 16px;
    min-height: 540px;
}
.aaa-detail-empty {
    color: var(--aaa-ink-muted);
    text-align: center;
    padding: 60px 20px;
}
.aaa-detail-empty i { font-size: 2rem; opacity: 0.4; display: block; margin-bottom: 12px; }

.aaa-detail-card h3 { margin: 0 0 4px; font-size: 1.05rem; color: var(--aaa-ink); }
.aaa-detail-card .aaa-detail-desc { color: var(--aaa-ink-soft); margin: 0 0 12px; font-size: 0.88rem; line-height: 1.5; }
.aaa-detail-card .aaa-detail-zone {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}
.aaa-detail-zone[data-zone="anchored"]   { background: #d1fae5; color: #065f46; }
.aaa-detail-zone[data-zone="extensible"] { background: var(--aaa-accent-soft); color: var(--aaa-accent-strong); }
.aaa-detail-zone[data-zone="contested"]  { background: #fed7aa; color: #9a3412; }

.aaa-detail-note {
    background: var(--aaa-warn-soft);
    border-left: 3px solid var(--aaa-warn);
    padding: 8px 12px;
    border-radius: 4px;
    font-size: 0.82rem;
    color: #92400e;
    margin: 0 0 12px;
}
.aaa-detail-field { margin-top: 14px; }
.aaa-detail-field label {
    display: block;
    font-weight: 600;
    color: var(--aaa-ink);
    margin-bottom: 6px;
    font-size: 0.85rem;
}
.aaa-pill-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.aaa-pill {
    background: var(--aaa-line-soft);
    border: 1px solid var(--aaa-line);
    border-radius: 999px;
    padding: 5px 11px;
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--aaa-ink-soft);
    transition: background 0.1s;
}
.aaa-pill:hover { background: #ffffff; }
.aaa-pill.selected {
    background: var(--aaa-accent-soft);
    border-color: var(--aaa-accent);
    color: var(--aaa-accent-strong);
    font-weight: 600;
}
.aaa-text-input {
    width: 100%;
    box-sizing: border-box;
    padding: 8px 10px;
    border: 1px solid var(--aaa-line);
    border-radius: 6px;
    font-size: 0.88rem;
}
.aaa-detail-actions {
    margin-top: 16px;
    display: flex;
    gap: 8px;
    justify-content: space-between;
}

.aaa-canvas-footer {
    margin-top: 20px;
    background: var(--aaa-panel-soft);
    border-radius: var(--aaa-radius);
    padding: 14px 22px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 18px;
}
.aaa-canvas-progress {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--aaa-ink);
    font-size: 0.9rem;
    font-weight: 500;
}
.aaa-canvas-progress-bar {
    flex: 1;
    background: var(--aaa-line);
    height: 8px;
    border-radius: 999px;
    overflow: hidden;
}
.aaa-canvas-progress-bar > div {
    height: 100%;
    background: linear-gradient(90deg, var(--aaa-accent), #8b5cf6);
    width: 0;
    transition: width 0.25s ease;
}

@media (max-width: 920px) {
    .aaa-canvas-stage { grid-template-columns: 1fr; }
    .aaa-canvas-detail { position: static; min-height: auto; }
}

/* v1.2.0 sub-task pooling additions */
.aaa-method-note {
    margin: 8px 0 0;
    padding: 8px 12px;
    background: rgba(99, 102, 241, 0.12);
    border-left: 3px solid #6366f1;
    border-radius: 4px;
    font-size: 0.85rem;
    color: #1e1b4b;
}

.aaa-detail-section { margin-top: 14px; }
.aaa-detail-section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
    gap: 8px;
    flex-wrap: wrap;
}
.aaa-detail-section-head h4 {
    margin: 0;
    font-size: 0.92rem;
    color: #1f2937;
}
.aaa-detail-rollup {
    font-size: 0.8rem;
    color: #4b5563;
    font-variant-numeric: tabular-nums;
}
.aaa-detail-rollup strong { color: #1f2937; }
.aaa-ref-hint {
    font-size: 0.72rem;
    color: #6366f1;
    font-weight: 500;
}

.aaa-detail-subtasks {
    display: flex;
    flex-direction: column;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    overflow: hidden;
    background: #fff;
}
.aaa-detail-subtask {
    display: grid;
    grid-template-columns: 22px 1fr 50px 110px 32px 50px;
    gap: 5px;
    align-items: center;
    padding: 4px 7px;
    border-bottom: 1px solid #f3f4f6;
    font-size: 0.78rem;
    line-height: 1.3;
}
.aaa-detail-subtask:last-child { border-bottom: none; }
.aaa-detail-subtask:nth-child(odd):not(.aaa-detail-subtask-header) { background: #fafafe; }
.aaa-detail-subtask:hover:not(.aaa-detail-subtask-header) { background: #f5f3ff; }
.aaa-detail-subtask-header {
    background: #ede9fe !important;
    font-size: 0.66rem;
    font-weight: 700;
    color: #4338ca;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.aaa-detail-subtask-header span { text-align: center; }
.aaa-detail-subtask-header span:nth-child(2) { text-align: left; }
.aaa-detail-subtask-num {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ede9fe;
    color: #4338ca;
    font-size: 0.7rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.aaa-detail-subtask-label {
    font-weight: 600;
    color: #1f2937;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: help;
    display: inline-flex;
    align-items: center;
    min-width: 0;
}
.aaa-detail-subtask-label .aaa-help-btn {
    flex: none;
    width: 16px;
    height: 16px;
    margin-left: 4px;
    font-size: 0.72rem;
}
.aaa-detail-cell-w input[type="number"] {
    width: 100%;
    max-width: 46px;
    padding: 2px 4px;
    border: 1px solid #d1d5db;
    border-radius: 3px;
    font-variant-numeric: tabular-nums;
    font-size: 0.78rem;
}
.aaa-detail-cell-h {
    display: grid;
    grid-template-columns: 1fr 40px;
    gap: 4px;
    align-items: center;
}
.aaa-detail-cell-h input[type="range"] {
    width: 100%;
    height: 12px;
    accent-color: #6366f1;
}
.aaa-detail-cell-h input[type="number"] {
    width: 100%;
    padding: 2px 4px;
    border: 1px solid #d1d5db;
    border-radius: 3px;
    font-variant-numeric: tabular-nums;
    font-size: 0.78rem;
}
.aaa-detail-cell-ai {
    text-align: center;
    font-weight: 600;
    color: #1f2937;
    font-variant-numeric: tabular-nums;
}
.aaa-detail-cell-ref {
    font-size: 0.68rem;
    color: #6366f1;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.aaa-canvas-weightcheck {
    margin-left: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
}
.aaa-canvas-weightcheck.valid { background: #d1fae5; color: #065f46; }
.aaa-canvas-weightcheck.invalid { background: #fef3c7; color: #92400e; }

.aaa-lang-select {
    margin-left: auto;
    padding: 4px 8px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.95);
    color: #374151;
    font-size: 0.9rem;
}

@media (max-width: 720px) {
    .aaa-detail-subtask { grid-template-columns: 20px 1fr 44px 90px 28px; font-size: 0.74rem; }
    .aaa-detail-subtask .aaa-detail-cell-ref { display: none; }
    .aaa-detail-subtask-header span:last-child { display: none; }
}