/* ═══════════════════════════════════════════════════════════
   TICKET DETAIL — ITSM two-column layout
   ═══════════════════════════════════════════════════════════ */

/* ── Priority Engine breakdown card ─────────────────────── */

.td-priority-breakdown {
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 10px;
  padding: 14px 16px;
  margin-top: 12px;
  background: var(--surface-2, #1a1f2e);
}

.td-priority-breakdown summary { display: flex; align-items: center; gap: 4px; user-select: none; }
.td-priority-breakdown summary::-webkit-details-marker { display: none; }

.pe-section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-text-muted, #6b7280);
  margin: 12px 0 6px;
}

.pe-inputs-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.pe-chip {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(255,255,255,0.06);
  color: var(--text-secondary, #9ca3af);
}
.pe-chip strong { color: var(--text-primary, #f3f4f6); }

.pe-steps-table td:first-child { color: var(--text-secondary, #9ca3af); }
.pe-steps-table td:last-child  { text-align: right; font-variant-numeric: tabular-nums; }

.pe-override-banner {
  margin: 8px 0 4px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  background: rgba(239,68,68,0.12);
  color: #f87171;
  border-left: 3px solid #ef4444;
}

.pe-vip-floor {
  margin: 8px 0 4px;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  background: rgba(245,158,11,0.12);
  color: #fbbf24;
  border-left: 3px solid #f59e0b;
}

/* ── Page wrapper ────────────────────────────────────────── */

.td-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-8);
}

/* ── Back + header row ───────────────────────────────────── */

.td-topbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.td-back {
  flex-shrink: 0;
}

.td-title-block {
  flex: 1;
  min-width: 0;
}

.td-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.td-id {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-primary);
  margin-bottom: 2px;
}

.td-actions {
  display: flex;
  gap: var(--space-2);
  flex-shrink: 0;
}

/* ── SLA countdown banner ────────────────────────────────── */

.td-sla-banner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: 10px 16px;
  border-radius: var(--radius);
  margin-bottom: var(--space-5);
  flex-shrink: 0;
}

.td-sla-banner--ok      { background: rgba(16,185,129,0.08);  border: 1px solid rgba(16,185,129,0.2); }
.td-sla-banner--warn    { background: rgba(245,158,11,0.08);  border: 1px solid rgba(245,158,11,0.25); }
.td-sla-banner--danger  { background: rgba(239,68,68,0.08);   border: 1px solid rgba(239,68,68,0.25); animation: td-pulse-border 2s ease-in-out infinite; }
.td-sla-banner--met     { background: rgba(16,185,129,0.06);  border: 1px solid rgba(16,185,129,0.15); }

@keyframes td-pulse-border {
  0%,100% { border-color: rgba(239,68,68,0.25); }
  50%     { border-color: rgba(239,68,68,0.55); }
}

.td-sla-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.td-sla-val {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.td-sla-val--ok     { color: var(--color-success); }
.td-sla-val--warn   { color: var(--color-warning); }
.td-sla-val--danger { color: var(--color-danger); }
.td-sla-val--met    { color: var(--color-success); }

.td-sla-deadline {
  font-size: 12px;
  color: var(--text-secondary);
}

.td-sla-priority {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-secondary);
}

/* ── Two-column layout ───────────────────────────────────── */

.td-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-5);
  align-items: start;
}

/* ── Card base ───────────────────────────────────────────── */

.td-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-bottom: var(--space-4);
}

.td-card:last-child { margin-bottom: 0; }

.td-card__title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.td-card__title-dot {
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--accent-primary);
  flex-shrink: 0;
}

/* ── Description ─────────────────────────────────────────── */

.td-desc {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.75;
  white-space: pre-wrap;
}

/* ── Comment thread ──────────────────────────────────────── */

.td-comments { display: flex; flex-direction: column; gap: 0; }

.td-comment {
  display: flex;
  gap: 12px;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.td-comment:last-child { border-bottom: none; }

.td-comment__av { flex-shrink: 0; }

.td-comment__body { flex: 1; min-width: 0; }

.td-comment__meta {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-1);
}

.td-comment__author {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

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

.td-comment__type {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 1px 6px;
  border-radius: 3px;
  text-transform: uppercase;
}

.td-comment__type--internal {
  background: rgba(139,92,246,0.12);
  color: #8B5CF6;
  border: 1px solid rgba(139,92,246,0.2);
}

.td-comment__type--external {
  background: rgba(34,211,238,0.08);
  color: var(--accent-primary);
  border: 1px solid rgba(34,211,238,0.15);
}

.td-comment__text {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.65;
  white-space: pre-wrap;
}

/* ── Add comment form ────────────────────────────────────── */

.td-compose {
  margin-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-4);
}

.td-compose__top {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.td-compose__field { flex: 1; }

.td-compose__textarea {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text-primary);
  resize: vertical;
  min-height: 80px;
  transition: border-color 0.15s;
  line-height: 1.6;
}

.td-compose__textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

.td-compose__textarea::placeholder { color: var(--text-muted); }

.td-compose__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-3);
}

.td-compose__type {
  display: flex;
  gap: var(--space-2);
}

.td-type-btn {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.12s;
}

.td-type-btn.active { background: rgba(34,211,238,0.1); color: var(--accent-primary); border-color: rgba(34,211,238,0.25); }
.td-type-btn--internal.active { background: rgba(139,92,246,0.1); color: #8B5CF6; border-color: rgba(139,92,246,0.25); }

.td-compose__send {
  display: flex;
  gap: var(--space-2);
}

/* ── Sidebar cards ───────────────────────────────────────── */

/* Info table */
.td-info-table { width: 100%; }

.td-info-table tr { }

.td-info-table td {
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 13px;
  vertical-align: middle;
}

.td-info-table tr:last-child td { border-bottom: none; }

.td-info-key {
  color: var(--text-secondary);
  width: 42%;
  padding-right: var(--space-3);
}

.td-info-val { color: var(--text-primary); font-weight: 500; }

/* Assignee card */
.td-assignee {
  display: flex;
  align-items: center;
  gap: 12px;
}

.td-assignee__info { flex: 1; min-width: 0; }

.td-assignee__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.td-assignee__role {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

.td-assignee__load {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.td-assignee__load-bar {
  margin-top: 3px;
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 2px;
  overflow: hidden;
}

.td-assignee__load-fill {
  height: 100%;
  border-radius: 2px;
  background: var(--accent-primary);
  transition: width 0.4s ease;
}

.td-unassigned {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Attachments ─────────────────────────────────────────── */

.td-drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  margin-bottom: var(--space-3);
}

.td-drop-zone:hover,
.td-drop-zone.drag-over {
  border-color: var(--accent-primary);
  background: rgba(34,211,238,0.04);
}

.td-drop-zone__icon {
  font-size: 22px;
  margin-bottom: 6px;
  opacity: 0.4;
}

.td-drop-zone__text {
  font-size: 12px;
  color: var(--text-secondary);
}

.td-drop-zone__sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.td-file-input { display: none; }

.td-attach-list { display: flex; flex-direction: column; gap: 4px; }

.td-attach-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  transition: border-color 0.12s;
}

.td-attach-row:hover { border-color: var(--accent-primary); }

.td-attach-icon {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 2px 6px;
  border-radius: 3px;
  flex-shrink: 0;
}

.td-attach-icon--pdf  { background: rgba(239,68,68,0.12);   color: #EF4444; }
.td-attach-icon--img  { background: rgba(34,211,238,0.10);  color: var(--accent-primary); }
.td-attach-icon--csv  { background: rgba(16,185,129,0.12);  color: var(--color-success); }
.td-attach-icon--txt  { background: rgba(255,255,255,0.08); color: var(--text-secondary); }
.td-attach-icon--file { background: rgba(245,158,11,0.10);  color: var(--color-warning); }

.td-attach-name {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.td-attach-size {
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
  font-family: var(--font-mono);
}

.td-attach-dl {
  flex-shrink: 0;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 4px;
  border-radius: 4px;
  transition: color 0.12s;
}

.td-attach-dl:hover { color: var(--accent-primary); }

/* ── History timeline ────────────────────────────────────── */

.td-timeline { display: flex; flex-direction: column; }

.td-tl-item {
  display: flex;
  gap: 10px;
  position: relative;
  padding-bottom: var(--space-4);
}

.td-tl-item:last-child { padding-bottom: 0; }

.td-tl-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 26px;
}

.td-tl-dot {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  z-index: 1;
}

.td-tl-dot--create  { background: rgba(34,211,238,0.15);  color: var(--accent-primary); border: 1px solid rgba(34,211,238,0.25); }
.td-tl-dot--assign  { background: rgba(139,92,246,0.15);  color: #8B5CF6;               border: 1px solid rgba(139,92,246,0.25); }
.td-tl-dot--status  { background: rgba(245,158,11,0.15);  color: var(--color-warning);  border: 1px solid rgba(245,158,11,0.25); }
.td-tl-dot--comment { background: rgba(16,185,129,0.12);  color: var(--color-success);  border: 1px solid rgba(16,185,129,0.2); }
.td-tl-dot--resolve { background: rgba(16,185,129,0.15);  color: var(--color-success);  border: 1px solid rgba(16,185,129,0.25); }
.td-tl-dot--system  { background: rgba(255,255,255,0.05); color: var(--text-secondary); border: 1px solid var(--border); }

.td-tl-line {
  width: 1px;
  flex: 1;
  background: var(--border-subtle);
  margin-top: 2px;
}

.td-tl-item:last-child .td-tl-line { display: none; }

.td-tl-body { flex: 1; padding-top: 4px; }

.td-tl-desc {
  font-size: 13px;
  color: var(--text-primary);
  line-height: 1.4;
}

.td-tl-time {
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  margin-top: 2px;
}

/* ── Assign engineer modal ───────────────────────────────── */

.td-assign-list { display: flex; flex-direction: column; gap: 6px; }

.td-assign-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s;
}

.td-assign-option:hover { background: rgba(255,255,255,0.03); border-color: var(--accent-primary); }

.td-assign-option input[type="radio"] { display: none; }

.td-assign-option.selected {
  background: rgba(34,211,238,0.06);
  border-color: var(--accent-primary);
  box-shadow: inset 0 0 0 1px rgba(34,211,238,0.2);
}

.td-assign-info { flex: 1; min-width: 0; }
.td-assign-name { font-size: 14px; font-weight: 600; color: var(--text-primary); }
.td-assign-sub  { font-size: 12px; color: var(--text-secondary); }

.td-assign-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}

.td-assign-badge--low  { background: rgba(16,185,129,0.12);  color: var(--color-success); }
.td-assign-badge--mid  { background: rgba(245,158,11,0.12);  color: var(--color-warning); }
.td-assign-badge--high { background: rgba(239,68,68,0.12);   color: var(--color-danger);  }

/* ── Requester Information block (Phase 8.1) ─────────────── */

.req-block {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 4px 0 2px;
}

.req-name {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.req-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
  line-height: 1.4;
}

.req-company {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 3px;
}

.req-link {
  color: var(--accent-primary);
  text-decoration: none;
}

.req-link:hover {
  text-decoration: underline;
}

.req-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}


/* ════════════════════════════════════════════════════════════
   TICKET DETAIL — MOBILE (<=640px)
   ════════════════════════════════════════════════════════════ */

@media (max-width: 640px) {

  /* Page padding */
  .td-page { padding: 12px; }

  /* Header bar */
  .td-topbar { flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
  .td-title  { font-size: 16px; white-space: normal; }
  .td-id     { font-size: 11px; }
  .td-actions { flex-wrap: wrap; gap: 6px; }
  .td-actions .btn { font-size: 12px; padding: 5px 8px; }

  /* SLA banner */
  .td-sla-banner { flex-wrap: wrap; padding: 8px 12px; gap: 6px; }
  .td-sla-priority { margin-left: 0; }

  /* Two-column → single */
  .td-layout { grid-template-columns: 1fr; gap: 12px; }

  /* Cards */
  .td-card { padding: 12px 14px; margin-bottom: 10px; }

  /* Comments / activity */
  .td-comment-form textarea { font-size: 13px; }
  .td-comment-actions { flex-wrap: wrap; gap: 6px; }

  /* Priority engine */
  .td-priority-breakdown { padding: 10px 12px; }
}