/* =========================================================================
   Workflow Builder — Chat + Canvas split layout
   Sprint 6.0 / Sprint 7.0 — Toolbar, legend, shadows, polish
   ========================================================================= */

/* --- Layout --- */
.wb-container {
    display: flex; height: calc(100vh - 200px); min-height: 400px;
    gap: 0; background: var(--bg-primary, #0f0f1a);
    border-radius: 8px; overflow: hidden;
}
.wb-chat-panel {
    width: 40%; min-width: 320px;
    display: flex; flex-direction: column; min-height: 0;
    border-right: 1px solid var(--border-color, #2a2a4a);
    background: var(--bg-primary, #0f0f1a);
}
.wb-canvas-panel {
    flex: 1; display: flex; flex-direction: column;
    background: var(--bg-primary, #0f0f1a);
    overflow-y: auto; padding: 16px; position: relative;
}

/* --- Chat Messages --- */
.wb-messages {
    flex: 1; min-height: 0; overflow-y: auto; padding: 16px;
    display: flex; flex-direction: column; gap: 12px;
}
.wb-message {
    max-width: 90%; padding: 10px 14px;
    border-radius: 12px; animation: wb-fade-in 0.3s ease-out;
}
.wb-message-user {
    align-self: flex-end;
    background: var(--accent-primary, #e94560); color: white;
}
.wb-message-assistant {
    align-self: flex-start;
    background: var(--bg-tertiary, #16213e);
    border: 1px solid var(--border-color, #2a2a4a);
    color: var(--text-primary, #f0f0f5);
}
.wb-message-header {
    font-size: 0.75rem; opacity: 0.6; margin-bottom: 4px; font-weight: 600;
}
.wb-message-body { font-size: 0.9rem; line-height: 1.5; }
.wb-message-body h3, .wb-message-body h4 {
    margin: 8px 0 4px; color: var(--accent-info, #6bceff);
}
.wb-message-body code {
    background: rgba(0,0,0,0.4); padding: 2px 6px; border-radius: 4px;
    font-size: 0.85em; color: #e06c75; font-family: 'Consolas', 'Monaco', monospace;
}
.wb-message-body pre {
    background: rgba(0,0,0,0.3); border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 6px; padding: 10px; overflow-x: auto; margin: 8px 0;
}
.wb-message-body pre code {
    background: transparent; padding: 0; color: var(--text-primary, #f0f0f5);
}
.wb-message-body ul { margin: 4px 0; padding-left: 20px; }
.wb-streaming .wb-message-body::after {
    content: '|'; animation: wb-blink 1s infinite;
}

/* --- Input --- */
.wb-input-area {
    padding: 12px 16px; border-top: 1px solid var(--border-color, #2a2a4a);
    display: flex; gap: 8px;
}
.wb-input {
    flex: 1; background: var(--bg-input, #1e1e3a);
    border: 1px solid var(--border-color, #2a2a4a); border-radius: 8px;
    padding: 10px 14px; color: var(--text-primary, #f0f0f5);
    font-size: 0.9rem; outline: none; resize: none;
}
.wb-input::placeholder { color: var(--text-secondary, #a0a0b0); opacity: 0.7; }
.wb-input:focus {
    border-color: var(--accent-primary, #e94560);
    box-shadow: 0 0 0 2px rgba(233, 69, 96, 0.15);
}
.wb-send-btn {
    background: var(--accent-primary, #e94560); color: white; border: none;
    border-radius: 8px; padding: 10px 16px; cursor: pointer;
    font-weight: 600; transition: background 0.2s, transform 0.1s;
}
.wb-send-btn:hover { background: var(--accent-secondary, #ff6b6b); }
.wb-send-btn:active { transform: scale(0.95); }
.wb-send-btn:focus-visible {
    outline: 2px solid var(--accent-primary, #e94560); outline-offset: 2px;
}

/* --- Progress & Typing --- */
.wb-progress {
    padding: 8px 12px; color: var(--text-secondary, #a0a0b0);
    font-style: italic; font-size: 0.85rem;
    animation: wb-pulse 2s ease-in-out infinite;
}
.wb-typing { display: flex; gap: 4px; padding: 8px 14px; }
.wb-typing span {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--text-secondary, #888);
    animation: wb-bounce 1.4s infinite both;
}
.wb-typing span:nth-child(2) { animation-delay: 0.2s; }
.wb-typing span:nth-child(3) { animation-delay: 0.4s; }

/* --- Empty State --- */
.wb-empty-state {
    text-align: center; padding: 40px 20px; color: var(--text-secondary, #aaa);
}
.wb-empty-icon { font-size: 48px; margin-bottom: 16px; }
.wb-empty-state h3 { color: var(--text-primary, #f0f0f5); margin: 0 0 8px; }

/* --- Templates --- */
.wb-templates-list {
    display: flex; flex-direction: column; gap: 8px; margin: 16px 0;
}
.wb-template-card {
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 8px; padding: 10px 14px; cursor: pointer;
    text-align: left; transition: border-color 0.2s, box-shadow 0.2s;
}
.wb-template-card:hover {
    border-color: var(--accent-primary, #e94560);
    box-shadow: 0 2px 8px rgba(233, 69, 96, 0.1);
}
.wb-template-card:focus-visible {
    outline: 2px solid var(--accent-primary, #e94560); outline-offset: 2px;
}
.wb-template-meta { font-size: 0.75rem; opacity: 0.6; margin-left: 8px; }
.wb-template-card p { margin: 4px 0 0; font-size: 0.8rem; opacity: 0.7; }

/* --- Suggestions --- */
.wb-suggestions {
    display: flex; flex-wrap: wrap; gap: 8px;
    justify-content: center; margin-top: 16px;
}
.wb-suggestion {
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 20px; padding: 6px 14px;
    color: var(--text-primary, #f0f0f5); font-size: 0.8rem;
    cursor: pointer; transition: all 0.2s;
}
.wb-suggestion:hover {
    background: var(--accent-primary, #e94560);
    border-color: var(--accent-primary, #e94560);
}

/* --- Approval Buttons --- */
.wb-approval-buttons {
    display: flex; gap: 12px; padding: 12px 0; justify-content: center;
}
.wb-btn {
    padding: 10px 24px; border: none; border-radius: 8px;
    font-weight: 700; font-size: 0.9rem; cursor: pointer;
    transition: transform 0.1s;
}
.wb-btn:active { transform: scale(0.95); }
.wb-btn:focus-visible { outline: 2px solid white; outline-offset: 2px; }
.wb-btn-validate { background: #27ae60; color: white; }
.wb-btn-cancel { background: #e74c3c; color: white; }

/* --- Canvas Toolbar (Sprint 7.0) --- */
.wb-canvas-toolbar {
    display: flex; gap: 4px; padding: 6px 8px;
    background: rgba(13, 17, 23, 0.9); border-radius: 6px;
    border: 1px solid var(--border-color, #2a2a4a);
    margin-bottom: 8px; width: fit-content;
}
.wb-toolbar-btn {
    width: 32px; height: 32px;
    border: 1px solid var(--border-color, #2a2a4a); border-radius: 4px;
    background: var(--bg-secondary, #1a1a2e); color: var(--text-primary, #e0e0e5);
    cursor: pointer; font-size: 1em;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, border-color 0.2s;
}
.wb-toolbar-btn:hover {
    background: var(--bg-tertiary, #2a2a3e);
    border-color: var(--accent-primary, #e94560);
}
.wb-toolbar-btn:focus-visible {
    outline: 2px solid var(--accent-primary, #e94560); outline-offset: 1px;
}

/* --- Canvas Legend (Sprint 7.0) --- */
.wb-canvas-legend {
    position: absolute; top: 12px; right: 12px;
    background: rgba(13, 17, 23, 0.85);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 8px; padding: 10px 14px;
    font-size: 0.75rem; color: var(--text-secondary, #a0a0b0);
    z-index: 10; backdrop-filter: blur(4px);
}
.wb-legend-item { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.wb-legend-circle {
    width: 12px; height: 12px; border-radius: 50%;
    display: inline-block; flex-shrink: 0;
}
.wb-legend-rect {
    width: 16px; height: 10px; border-radius: 2px;
    background: #1e1e3a; border: 1.5px solid #4a4a6a;
    display: inline-block; flex-shrink: 0;
}
.wb-legend-diamond {
    width: 12px; height: 12px; background: #2a2a3e;
    border: 1.5px solid #ffd93d; transform: rotate(45deg);
    display: inline-block; flex-shrink: 0;
}

/* --- Canvas Container --- */
.wb-canvas-empty {
    text-align: center; padding: 60px 20px; color: var(--text-secondary, #aaa);
}
.wb-canvas-empty-icon { margin-bottom: 16px; }
.wb-canvas-header {
    display: flex; justify-content: space-between;
    align-items: center; margin-bottom: 16px;
}
.wb-canvas-header h3 { margin: 0; color: var(--text-primary, #f0f0f5); }
.wb-canvas-status {
    padding: 4px 10px; border-radius: 12px;
    font-size: 0.75rem; font-weight: 600;
}
.wb-canvas-status.draft { background: #7f8c8d; color: white; }
.wb-canvas-status.active { background: #27ae60; color: white; }

/* --- Simulation --- */
.wb-sim-header { margin-bottom: 20px; }
.wb-sim-header h3 { margin: 0 0 12px; color: var(--text-primary, #f0f0f5); }
.wb-sim-summary { display: flex; gap: 20px; }
.wb-sim-stat { display: flex; flex-direction: column; align-items: center; }
.wb-sim-stat strong { font-size: 1.4rem; color: var(--accent-info, #6bceff); }
.wb-sim-stat small { font-size: 0.75rem; opacity: 0.6; }
.wb-sim-stat.wb-risk-critical strong { color: #e74c3c; }
.wb-sim-stat.wb-risk-warning strong { color: #f39c12; }
.wb-sim-stat.wb-risk-ok strong { color: #27ae60; }
.wb-sim-section { margin-top: 20px; }
.wb-sim-section h4 {
    color: var(--text-primary, #f0f0f5); margin: 0 0 8px; font-size: 0.9rem;
}
.wb-sim-phase-bar { margin-bottom: 8px; }
.wb-sim-phase-label { font-size: 0.8rem; margin-bottom: 2px; color: var(--text-secondary, #aaa); }
.wb-sim-phase-fill {
    background: var(--accent-primary, #e94560); border-radius: 4px;
    padding: 4px 8px; font-size: 0.75rem; color: white;
    min-width: 40px; transition: width 0.5s ease;
}
.wb-sim-raci-row {
    display: flex; gap: 12px; padding: 6px 0;
    border-bottom: 1px solid var(--border-color, #2a2a4a); font-size: 0.85rem;
}
.wb-sim-raci-row:nth-child(even) { background: rgba(255, 255, 255, 0.02); }
.wb-sim-raci-role { font-weight: 600; min-width: 120px; }
.wb-sim-raci-count { color: var(--accent-info, #6bceff); min-width: 100px; }
.wb-sim-raci-tasks { opacity: 0.6; }
.wb-sim-risk {
    display: flex; gap: 8px; padding: 8px; margin-bottom: 6px;
    border-radius: 6px; background: rgba(0,0,0,0.2);
}
.wb-risk-icon { font-size: 1.1rem; }
.wb-risk-content { font-size: 0.85rem; }
.wb-risk-suggestion { font-size: 0.8rem; opacity: 0.7; margin-top: 2px; }
.wb-sim-warnings ul { padding-left: 20px; font-size: 0.85rem; color: #f39c12; }

/* --- Validation Cards (QUESTION phase) --- */
.wb-vcards { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.wb-vcard {
    background: var(--bg-secondary, #1a1a2e); border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 8px; padding: 10px 12px; transition: border-color 0.2s, background 0.2s;
}
.wb-vcard[data-status="valide"] { border-color: #27ae60; background: rgba(39,174,96,0.08); }
.wb-vcard[data-status="modifie"] { border-color: #f39c12; background: rgba(243,156,18,0.08); }
.wb-vcard[data-status="rejete"] { border-color: #e74c3c; background: rgba(231,76,60,0.08); }
.wb-vcard-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.wb-vcard-num {
    width: 22px; height: 22px; border-radius: 50%; background: var(--accent-primary, #e94560);
    color: #fff; font-size: 0.7rem; font-weight: 700; display: flex; align-items: center;
    justify-content: center; flex-shrink: 0;
}
.wb-vcard-title { font-weight: 600; font-size: 0.85rem; color: var(--text-primary, #f0f0f5); flex: 1; }
.wb-vcard-badge {
    font-size: 0.65rem; padding: 2px 8px; border-radius: 10px; font-weight: 600;
    background: rgba(255,255,255,0.1); color: var(--text-secondary, #a0a0b0);
}
.wb-vcard[data-status="valide"] .wb-vcard-badge { background: #27ae60; color: #fff; }
.wb-vcard[data-status="modifie"] .wb-vcard-badge { background: #f39c12; color: #fff; }
.wb-vcard[data-status="rejete"] .wb-vcard-badge { background: #e74c3c; color: #fff; }
.wb-vcard-body { font-size: 0.8rem; line-height: 1.4; color: var(--text-secondary, #a0a0b0); }
.wb-vcard-body strong { color: var(--text-primary, #f0f0f5); }
.wb-vcard-question {
    font-size: 0.78rem; color: var(--accent-info, #6bceff); margin-top: 4px; font-style: italic;
}
.wb-vcard-actions { display: flex; gap: 6px; margin-top: 8px; }
.wb-vcard-btn {
    padding: 4px 12px; border: 1px solid var(--border-color, #2a2a4a); border-radius: 6px;
    background: var(--bg-tertiary, #16213e); color: var(--text-primary, #f0f0f5);
    font-size: 0.75rem; font-weight: 600; cursor: pointer; transition: all 0.15s;
}
.wb-vcard-btn:hover { border-color: var(--accent-primary, #e94560); }
.wb-vcard-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.wb-vc-ok:hover, .wb-vcard[data-status="valide"] .wb-vc-ok { background: #27ae60; color: #fff; border-color: #27ae60; }
.wb-vc-edit:hover, .wb-vcard[data-status="modifie"] .wb-vc-edit { background: #f39c12; color: #fff; border-color: #f39c12; }
.wb-vc-no:hover, .wb-vcard[data-status="rejete"] .wb-vc-no { background: #e74c3c; color: #fff; border-color: #e74c3c; }
.wb-vcard-comment textarea {
    width: 100%; background: var(--bg-input, #1e1e3a); border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 6px; padding: 6px 8px; color: var(--text-primary, #f0f0f5); font-size: 0.8rem;
    resize: vertical; margin-top: 6px; outline: none;
}
.wb-vcard-comment textarea:focus { border-color: var(--accent-primary, #e94560); }
.wb-vcards-footer {
    display: flex; align-items: center; gap: 10px; padding: 10px 0; margin-top: 8px;
    border-top: 1px solid var(--border-color, #2a2a4a);
}
.wb-vcards-progress { font-size: 0.78rem; color: var(--text-secondary, #a0a0b0); flex: 1; }
.wb-vc-all { background: #27ae60; color: #fff; border-color: #27ae60; }
.wb-vc-submit { background: var(--accent-primary, #e94560); color: #fff; border-color: var(--accent-primary, #e94560); }
.wb-vc-submit:not(:disabled):hover { background: var(--accent-secondary, #ff6b6b); }

/* --- JointJS BPMN Canvas --- */
#wb-canvas-container {
    width: 100%; height: 100%; min-height: 400px;
    overflow: hidden; position: relative;
}
#wb-canvas-container svg { width: 100%; height: 100%; }
#wb-canvas-container .joint-paper {
    background: #0d1117; border-radius: 8px;
}

/* --- Animations --- */
@keyframes wb-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes wb-slide-in {
    from { opacity: 0; transform: translateX(-12px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes wb-blink { 50% { opacity: 0; } }
@keyframes wb-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}
@keyframes wb-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* --- Kanban Reporting View (Sprint 7.6) --- */
.wapp-reporting-board {
    display: flex; gap: 12px; overflow-x: auto;
    padding: 12px 0; align-items: flex-start;
}
.wapp-report-col {
    flex: 1; min-width: 160px; max-width: 240px;
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 8px; overflow: hidden;
}
.wapp-report-col-header {
    padding: 10px 12px; border-bottom: 1px solid var(--border-color, #2a2a4a);
}
.wapp-report-col-title {
    font-weight: 600; font-size: 0.85rem;
    color: var(--text-primary, #f0f0f5);
}
.wapp-report-col-body { padding: 12px; }
.wapp-report-progress { margin-bottom: 10px; }
.wapp-report-bar {
    height: 6px; background: rgba(255,255,255,0.08);
    border-radius: 3px; overflow: hidden;
}
.wapp-report-bar-fill {
    height: 100%; border-radius: 3px;
    transition: width 0.4s ease;
}
.wapp-report-bar-text {
    font-size: 0.7rem; color: var(--text-secondary, #a0a0b0);
    margin-top: 2px; display: block;
}
.wapp-report-meta {
    display: flex; flex-direction: column; gap: 4px;
    margin-bottom: 10px; font-size: 0.78rem;
    color: var(--text-secondary, #a0a0b0);
}
.wapp-report-raci { font-style: italic; }
.wapp-report-view-btn {
    width: 100%; padding: 6px 0; font-size: 0.8rem;
    background: var(--bg-tertiary, #16213e);
    border: 1px solid var(--border-color, #2a2a4a);
    color: var(--text-primary, #f0f0f5);
    border-radius: 6px; cursor: pointer;
    transition: background 0.2s, border-color 0.2s;
}
.wapp-report-view-btn:hover {
    background: var(--accent-primary, #e94560);
    border-color: var(--accent-primary, #e94560); color: #fff;
}

/* --- Phase Detail Panel (Sprint 7.6) --- */
.wapp-phase-panel {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1000; display: none;
}
.wapp-phase-panel.wapp-phase-panel-open { display: flex; }
.wapp-phase-panel-backdrop {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); backdrop-filter: blur(2px);
}
.wapp-phase-panel-content {
    position: absolute; top: 0; right: 0; width: 420px; max-width: 90vw;
    height: 100%; background: var(--bg-primary, #0f0f1a);
    border-left: 1px solid var(--border-color, #2a2a4a);
    display: flex; flex-direction: column; overflow-y: auto;
    animation: wapp-slide-in-right 0.25s ease-out;
}
@keyframes wapp-slide-in-right {
    from { transform: translateX(100%); }
    to { transform: translateX(0); }
}
.wapp-phase-panel-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #2a2a4a);
}
.wapp-phase-panel-title {
    margin: 0; font-size: 1.1rem;
    color: var(--text-primary, #f0f0f5);
}
.wapp-phase-panel-close {
    background: none; border: none; font-size: 1.4rem;
    color: var(--text-secondary, #a0a0b0); cursor: pointer;
    line-height: 1; padding: 4px 8px;
}
.wapp-phase-panel-close:hover { color: var(--accent-primary, #e94560); }
.wapp-phase-panel-body { padding: 16px 20px; flex: 1; }

.wapp-phase-section {
    background: var(--bg-secondary, #1a1a2e);
    border: 1px solid var(--border-color, #2a2a4a);
    border-radius: 8px; padding: 12px; margin-bottom: 10px;
    transition: border-color 0.2s;
}
.wapp-phase-section-done { border-color: #27ae60; }
.wapp-phase-section-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 6px;
}
.wapp-phase-section-name {
    font-weight: 600; font-size: 0.88rem;
    color: var(--text-primary, #f0f0f5);
}
.wapp-phase-section-status {
    font-size: 0.72rem; padding: 2px 8px;
    border-radius: 10px; font-weight: 600;
    background: rgba(255,255,255,0.1);
    color: var(--text-secondary, #a0a0b0);
}
.wapp-phase-section-done .wapp-phase-section-status {
    background: #27ae60; color: #fff;
}
.wapp-phase-section-desc {
    font-size: 0.8rem; color: var(--text-secondary, #a0a0b0);
    margin: 0 0 6px; line-height: 1.4;
}
.wapp-phase-raci { display: flex; gap: 6px; margin-bottom: 6px; }
.wapp-raci-tag {
    font-size: 0.72rem; padding: 2px 8px;
    border-radius: 4px; font-weight: 600;
}
.wapp-raci-r { background: rgba(99,102,241,0.2); color: #818cf8; }
.wapp-raci-a { background: rgba(245,158,11,0.2); color: #fbbf24; }
.wapp-phase-widgets-count {
    font-size: 0.75rem; color: var(--text-secondary, #a0a0b0);
    font-style: italic;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .wb-container { flex-direction: column; }
    .wb-chat-panel {
        width: 100%; height: 50%;
        border-right: none; border-bottom: 1px solid var(--border-color, #2a2a4a);
    }
    .wb-canvas-legend { font-size: 0.65rem; padding: 6px 10px; }
    .wb-canvas-toolbar { gap: 2px; padding: 4px 6px; }
    .wb-toolbar-btn { width: 28px; height: 28px; font-size: 0.85em; }
    .wapp-reporting-board { flex-direction: column; }
    .wapp-report-col { max-width: 100%; }
    .wapp-phase-panel-content { width: 100%; max-width: 100%; }
}