/* ---------- design tokens (NPS system) ---------- */
:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --border: #e5e9f2;
  --text: #1f2937;
  --muted: #6b7280;
  --text-muted: var(--muted);
  --primary: #2f6bff;
  --primary-dark: #1d4ed8;
  --blue: #3b82f6;
  --yellow: #f59e0b;
  --green: #10b981;
  --purple: #8b5cf6;
  --red: #ef4444;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16,24,40,.05), 0 4px 12px rgba(16,24,40,.04);

  /* danger aliases (kept for backward-compat with Task 4 rules) */
  --danger: var(--red);
  --danger-soft: #fee2e2;

  /* 6-phase status accents */
  --st-new: #6366f1;
  --st-analysis: #8b5cf6;
  --st-development: #2f6bff;
  --st-testing: #f59e0b;
  --st-paused: #6b7280;
  --st-closed: #10b981;
  --warn-orange: #f59e0b;
  --warn-red: #ef4444;

  /* legacy status tokens used by table status-pill inline styles */
  --status-new: #6366f1;
  --status-new-bg: #ede9fe;
  --status-analysis: #8b5cf6;
  --status-analysis-bg: #ede9fe;
  --status-development: #2f6bff;
  --status-development-bg: #dbeafe;
  --status-testing: #f59e0b;
  --status-testing-bg: #fef3c7;
  --status-paused: #6b7280;
  --status-paused-bg: #f3f4f6;
  --status-closed: #10b981;
  --status-closed-bg: #d1fae5;
}

/* ---------- base reset ---------- */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  padding: 20px;
}

h1, h2, h3, h4, p { margin: 0; }
button { font: inherit; cursor: pointer; }
input, button, select, textarea { font-family: inherit; }
a { color: var(--primary); text-decoration: none; }

/* ---------- login ---------- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
}
.login-brand { text-align: center; margin-bottom: 24px; }
.login-mark { font-size: 36px; margin-bottom: 8px; }
.login-brand h1 { font-size: 20px; font-weight: 600; }
.login-sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.login-form { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.field input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.field input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(47,107,255,.12); }
.login-error {
  margin-top: 4px;
  padding: 8px 10px;
  font-size: 13px;
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 8px;
}

/* ---------- buttons ---------- */
.btn {
  border: none;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s, color .15s;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: #f3f4f6; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 18px;
  color: var(--muted);
}
.icon-btn:hover { background: #f3f4f6; }
.menu-btn { display: none; } /* shown only at narrow widths — Task 6 */

/* ---------- app layout ---------- */
.app-page { display: flex; flex-direction: column; min-height: 100vh; }

/* ---------- app-header (NPS card style) ---------- */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  padding: 14px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}
.app-header-left, .app-header-right { display: flex; align-items: center; gap: 12px; min-width: 0; }
.app-header-left { flex: 1 1 auto; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, #2f6bff, #6366f1);
  color: #fff; font-weight: 700; display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.brand-title { font-weight: 600; font-size: 15px; margin: 0; }
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.sync-status { font-size: 12px; color: var(--muted); }

.user-chip {
  background: #eef2ff;
  color: #3730a3;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

/* ---------- view-switch (NPS pill-tabs) ---------- */
.view-switch {
  display: flex;
  gap: 6px;
  background: var(--surface);
  padding: 6px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.view-switch-btn {
  border: none;
  background: transparent;
  padding: 9px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
  transition: background .15s, color .15s;
  min-height: 40px;
}
.view-switch-btn:hover { background: #f3f4f6; color: var(--text); }
.view-switch-btn.is-active { background: var(--primary); color: #fff; }

/* ---------- app body grid ---------- */
.app-body {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 16px;
  margin-top: 0;
}

/* ---------- sidebar (NPS card) ---------- */
.sidebar {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}
.sidebar-section h3,
.sidebar h3 {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.sidebar-section input[type="search"],
.sidebar input[type="search"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  outline: none;
  background: #fafbff;
}
.sidebar-section input[type="search"]:focus,
.sidebar input[type="search"]:focus { border-color: var(--primary); }

.toggle-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  padding: 6px 2px;
  user-select: none;
}
.toggle-row input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--primary);
  cursor: pointer;
}

.status-filters { display: flex; flex-direction: column; gap: 6px; }
.status-filter {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 9px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  border: 1px solid transparent;
}
.status-filter:hover { background: #f3f4f6; }
.status-filter.is-active { background: #eef2ff; border-color: #c7d7ff; color: var(--primary); }
.status-filter .dot {
  display: inline-block;
  width: 8px; height: 8px; border-radius: 50%;
  margin-right: 8px;
  vertical-align: middle;
}
.status-filter .count {
  font-size: 11px;
  color: var(--muted);
  background: var(--bg);
  border-radius: 10px;
  padding: 1px 7px;
}
.status-filter.is-active .count { background: #fff; color: var(--primary); }

.sidebar-stats { font-size: 13px; color: var(--muted); }
.stat-row { display: flex; justify-content: space-between; padding: 3px 0; }
.stat-row strong { color: var(--text); }

.sidebar-spacer { flex: 1; }
.sidebar-footnote { font-size: 11px; color: var(--muted); line-height: 1.4; }

/* ---------- workspace container ---------- */
.workspace {
  background: transparent;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}
.workspace--kanban { overflow: hidden; }
.workspace--table { overflow-y: auto; overflow-x: hidden; padding: 0; }
.workspace--chat { overflow: auto; padding: 0; }

/* ---------- board (kanban) ---------- */
.board {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(260px, 1fr);
  gap: 14px;
  padding: 4px 0 16px;
  overflow-x: auto;
  min-height: 0;
  align-items: start;
}

/* Column styles — NPS card pattern */
.column {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
  max-height: calc(100vh - 200px);
  overflow-y: auto;
}
.column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}
.column-title {
  display: flex;
  align-items: center;
  gap: 8px;
}
.column-title .dot {
  width: 10px; height: 10px; border-radius: 50%;
  display: inline-block;
}
.column-count {
  background: #f3f4f6;
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.column-body {
  display: flex;
  flex-direction: column;
  gap: 9px;
  flex: 1;
}
.column-empty {
  padding: 16px 10px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

/* Cards — NPS surface style */
.card {
  background: #fafbff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  transition: background .15s, transform .05s;
  min-height: 56px;
}
.card:hover { background: #eef2ff; }
.card:active { transform: translateY(1px); }
.card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 4px;
}
.card-num { font-weight: 600; color: var(--text); }
.card-title {
  font-size: 13px;
  line-height: 1.4;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-bottom {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 6px;
}
.card-footer {
  margin-top: 8px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.chip {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f3f4f6;
  border: 1px solid var(--border);
  color: var(--muted);
}
.chip.has-resolution { background: #d1fae5; color: #065f46; border-color: transparent; }
.chip.has-comment { background: var(--status-development-bg); color: #1e40af; border-color: transparent; }
.chip.is-error {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: transparent;
  font-weight: 600;
}

/* Card left-border accent by status */
.card.status-new { border-left: 3px solid var(--status-new); }
.card.status-analysis { border-left: 3px solid var(--status-analysis); }
.card.status-development { border-left: 3px solid var(--status-development); }
.card.status-testing { border-left: 3px solid var(--status-testing); }
.card.status-paused { border-left: 3px solid var(--status-paused); }
.card.status-closed { border-left: 3px solid var(--status-closed); }
.card.has-errors { border-left: 3px solid var(--red); }

/* ---------- table view ---------- */
.workspace--table .table-wrap {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.task-table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  table-layout: fixed;
}
.task-table thead th {
  background: #fafbff;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  text-align: left;
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1;
}
.task-table tbody tr {
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}
.task-table tbody tr:hover td { background: #f8faff; }
.task-table tbody tr:last-child { border-bottom: 0; }
.task-table td {
  padding: 10px 10px;
  vertical-align: top;
  color: var(--text);
}
.task-table .col-num { width: 56px; color: var(--muted); font-weight: 600; }
.task-table .col-prio { width: 64px; text-align: center; }
.task-table .col-date { width: 88px; color: var(--muted); white-space: nowrap; font-size: 12px; }
.task-table .col-days { width: 56px; color: var(--muted); white-space: nowrap; font-size: 12px; text-align: center; }
.task-table .col-hours { width: 72px; color: var(--muted); white-space: nowrap; font-size: 12px; }
.task-table .col-status { width: 140px; }
.task-table .col-desc { width: 220px; }
.task-table .col-desc .cell-title {
  font-weight: 600;
  color: var(--text);
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.task-table .col-desc .cell-sub {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.task-table .col-solution,
.task-table .col-comment {
  width: 180px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.task-table .col-assignee {
  width: 120px;
  color: var(--text);
  font-size: 12px;
}
.task-table .col-assignee .cell-clamp1 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}
.task-table .col-internal-comment {
  width: 180px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}
.task-table .cell-clamp2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.task-table .col-link { width: 56px; text-align: center; }
.task-table .col-link a { color: var(--primary); text-decoration: none; font-size: 16px; }
.task-table .col-flag { width: 48px; text-align: center; font-size: 14px; }
.task-table th.is-sortable { cursor: pointer; user-select: none; }
.task-table th.is-sortable:hover { color: var(--text); }
.task-table .sort-arrow { margin-left: 4px; color: var(--primary); font-size: 10px; }
.task-table .overdue { color: var(--red); font-weight: 600; }
.task-table .row-error {
  display: inline-block;
  color: var(--red);
  background: var(--danger-soft);
  border-radius: 4px;
  padding: 0 6px;
  font-weight: 700;
  margin-right: 6px;
  font-size: 11px;
}
.task-table .table-empty {
  text-align: center;
  color: var(--muted);
  padding: 28px;
  font-size: 13px;
}

/* Status pills (NPS pattern) */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.status-pill .dot { width: 7px; height: 7px; border-radius: 50%; }
.status-pill.status-new { background: rgba(99,102,241,.12); color: var(--st-new); }
.status-pill.status-analysis { background: rgba(139,92,246,.12); color: var(--st-analysis); }
.status-pill.status-development { background: rgba(47,107,255,.12); color: var(--st-development); }
.status-pill.status-testing { background: rgba(245,158,11,.15); color: #92400e; }
.status-pill.status-paused { background: #f3f4f6; color: var(--st-paused); }
.status-pill.status-closed { background: rgba(16,185,129,.12); color: var(--st-closed); }
.error-pill {
  background: var(--danger-soft);
  color: var(--danger);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
}

/* ---------- modal ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(2px);
}
.modal-panel {
  position: relative;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(15, 23, 42, .25);
  max-width: 960px;
  width: calc(100% - 32px);
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px 28px;
}
.modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  background: transparent;
  border: none;
  font-size: 18px;
  color: var(--muted);
  cursor: pointer;
  width: 40px;
  height: 40px;
  min-height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-close:hover { background: #f3f4f6; }

.modal-header { margin-bottom: 18px; padding-right: 40px; }
.modal-num { font-size: 11px; color: var(--muted); letter-spacing: 0.04em; }
.modal-title { font-size: 18px; font-weight: 600; margin: 0 0 10px; line-height: 1.4; white-space: pre-wrap; }
.modal-status { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; }

.modal-block-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
}
.modal-block-body {
  font-size: 13px;
  white-space: pre-wrap;
  line-height: 1.55;
  color: var(--text);
}

.modal-main {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.modal-desc { min-width: 0; }
.modal-side {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.modal-side section { min-width: 0; }

.modal-block {
  background: #fafbff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}
.modal-block h4 {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.modal-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

.modal-details {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.modal-details-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin-top: 4px;
}
.modal-details .info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 140px;
}
.modal-details .info-item label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 600;
}
.modal-details .info-item span {
  font-size: 13px;
  color: var(--text);
  white-space: pre-wrap;
}
.modal-details .info-item .overdue { color: var(--red); font-weight: 600; }
.modal-info-empty { font-size: 12px; color: var(--muted); }

/* ---------- modal: communication history ---------- */
.modal-history {
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.modal-history h3 { margin: 0 0 10px; font-size: 14px; font-weight: 600; }
.hist-stream {
  display: flex; flex-direction: column; gap: 8px;
  max-height: 320px; overflow-y: auto;
  padding: 4px 2px;
}
.hist-msg {
  background: #fafbff;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
}
.hist-msg.is-negative { border-left: 3px solid var(--red); background: #fff5f5; }
.hist-head { display: flex; gap: 10px; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 3px; }
.hist-author { font-weight: 600; color: var(--text); }
.hist-text { white-space: pre-wrap; word-break: break-word; font-size: 13px; line-height: 1.4; }

/* ---------- chat view (NPS card pattern) ---------- */
.workspace--chat {
  padding: 0;
}
.chat-toolbar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}
.chat-filter { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.chat-count { margin-left: auto; color: var(--muted); font-size: 13px; }
.chat-stream { display: flex; flex-direction: column; gap: 10px; }
.chat-day {
  align-self: center;
  padding: 4px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  margin: 8px 0 4px;
}
.chat-msg {
  background: #fafbff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
}
.chat-msg.is-negative {
  border-left: 3px solid var(--red);
  background: #fff5f5;
}
.chat-msg-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.chat-author { font-weight: 600; color: var(--text); }
.chat-time { color: var(--muted); }
.chat-neg-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  background: var(--danger-soft);
  color: #b91c1c;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
}
.llm-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  white-space: nowrap;
}
.llm-badge--sent.is-negative { background: var(--danger-soft); color: #b91c1c; }
.llm-badge--sent.is-positive { background: #dcfce7; color: #166534; }
.llm-badge--sent.is-neutral  { background: #e2e8f0; color: #475569; }
.llm-badge--cat { background: #eef2ff; color: #3730a3; }
.chat-msg-text { font-size: 13px; line-height: 1.5; color: var(--text); white-space: pre-wrap; word-break: break-word; }
.chat-msg-tasks { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; }
.chat-task-chip {
  background: #eef2ff;
  color: #3730a3;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  min-height: 28px;
}
.chat-task-chip:hover { background: var(--status-development-bg); }
.chat-empty {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .app-header { padding: 10px 14px; gap: 8px; margin-bottom: 10px; }
  .brand-sub { display: none; }
  .refresh-label { display: none; }
  .sync-status { display: none; }
  .btn-logout { display: none; }
  .view-switch-btn { padding: 6px 10px; }
  .icon-btn { display: inline-flex; align-items: center; justify-content: center; }
  .app-body { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: 0; left: 0;
    height: 100vh;
    width: 82vw;
    max-width: 300px;
    transform: translateX(-100%);
    transition: transform 0.2s;
    z-index: 40;
    box-shadow: 8px 0 24px rgba(20, 25, 40, 0.18);
    padding-top: 20px;
    border-radius: 0;
  }
  .sidebar.is-open { transform: translateX(0); }
  .board {
    padding: 12px 0;
    gap: 12px;
    grid-auto-columns: 85vw;
  }
  .column { max-height: none; }
  .workspace--table { padding: 0; }
  .modal-main { grid-template-columns: 1fr; gap: 18px; }
  .task-table .col-desc .cell-sub { -webkit-line-clamp: 3; }
}
@media (max-width: 520px) {
  .app-header-right .user-chip { display: none; }
  .brand-title { font-size: 14px; }
  .modal-panel { padding: 20px 18px 16px; }
}

/* ---------- focus-visible (accessibility) ---------- */
.btn:focus-visible,
.view-switch-btn:focus-visible,
.icon-btn:focus-visible,
.chat-task-chip:focus-visible,
.status-filter:focus-visible,
.modal-close:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ---------- neg-mark (Task 4, sentiment highlighting) ---------- */
.neg-mark {
  background: var(--danger-soft);
  color: #b91c1c;
  padding: 0 3px;
  border-radius: 3px;
  font-weight: 600;
}

/* Drawer / mobile sidebar */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .5);
  z-index: 30;
  display: none;
}
.sidebar-backdrop.is-open { display: block; }

@media (max-width: 1099px) {
  .menu-btn { display: inline-flex; }
  .app-body { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: 280px;
    z-index: 40;
    transform: translateX(-100%);
    transition: transform .2s ease;
    border-radius: 0;
    box-shadow: 4px 0 24px rgba(15,23,42,.15);
  }
  .sidebar.is-open { transform: translateX(0); }
}

/* Tab switch — horizontal scroll on narrow screens */
@media (max-width: 1099px) {
  body { padding: 16px; }
  .view-switch {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    max-width: 100%;
  }
  .view-switch-btn {
    flex-shrink: 0;
    scroll-snap-align: start;
  }
}

/* Kanban — horizontal scroll with snap on narrow */
@media (max-width: 1099px) {
  .board {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: 12px;
    padding-bottom: 8px;
  }
  .column {
    flex: 0 0 80vw;
    scroll-snap-align: start;
    max-height: calc(100vh - 220px);
    overflow-y: auto;
  }
}
@media (max-width: 700px) {
  .column { flex: 0 0 86vw; }
}

/* Header collapse on mobile */
@media (max-width: 700px) {
  body { padding: 12px; }
  .app-header { padding: 10px 12px; flex-wrap: wrap; gap: 8px; }
  .brand-sub { display: none; }
  .brand-title { font-size: 14px; }
  .refresh-label, .btn-logout span { display: none; }
  .btn-logout, #refresh-btn { padding: 0; width: 40px; height: 40px; justify-content: center; }
  .view-switch-btn { padding: 8px 12px; font-size: 13px; }
}

/* Table → cards on mobile/tablet (task-table is ~1580px wide, unusable <960px) */
@media (max-width: 960px) {
  .workspace--table .task-table { display: none; }
  .workspace--table .table-cards { display: flex; flex-direction: column; gap: 10px; }
  .workspace--table .table-sort {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--muted);
  }
  .workspace--table .table-sort select {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
    background: var(--surface);
    min-height: 40px;
  }
}
@media (min-width: 961px) {
  .workspace--table .table-cards { display: none; }
  .workspace--table .table-sort { display: none; }
}
.table-cards { display: flex; flex-direction: column; gap: 10px; }
.table-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  min-height: 56px;
}
.table-card:hover { background: #f8faff; }
.table-card-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.table-card-id { font-weight: 700; font-size: 14px; }
.table-card-row {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 3px 0;
}
.table-card-row .k { color: var(--muted); }
.table-card-row .v { color: var(--text); }

/* Modal full-screen on mobile */
@media (max-width: 700px) {
  .modal-panel {
    width: 100vw;
    max-width: 100vw;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    padding: 16px 14px 24px;
  }
  .modal-close {
    position: sticky;
    top: 0;
    float: right;
    background: var(--surface);
  }
  .modal-grid { grid-template-columns: 1fr; }
}

/* Dashboard */
.workspace--dashboard { display: flex; flex-direction: column; gap: 16px; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.kpi-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; display: flex; gap: 14px; align-items: flex-start; }
.kpi-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; color: #fff; flex-shrink: 0; }
.kpi-icon.blue { background: var(--blue); }
.kpi-icon.yellow { background: var(--yellow); }
.kpi-icon.green { background: var(--green); }
.kpi-icon.purple { background: var(--purple); }
.kpi-icon.red { background: var(--red); }
.kpi-label { color: var(--muted); font-size: 12px; }
.kpi-value { font-size: 26px; font-weight: 600; margin-top: 2px; line-height: 1; }
.kpi-hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

.charts-row { display: grid; grid-template-columns: 2fr 1fr; gap: 14px; }
.chart-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.chart-card.full { grid-column: 1 / -1; }
.chart-card h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; color: var(--text); }
.chart-card canvas { max-height: 280px; width: 100% !important; }

.noisy-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; }
.noisy-card h3 { margin: 0 0 12px; font-size: 14px; font-weight: 600; }
.noisy-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.noisy-table th, .noisy-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.noisy-table th { color: var(--muted); font-weight: 500; background: #fafbff; }
.noisy-table tr:hover td { background: #f8faff; cursor: pointer; }
.noisy-empty { color: var(--muted); font-size: 13px; padding: 16px; text-align: center; }

@media (max-width: 1099px) { .charts-row { grid-template-columns: 1fr; } }
@media (max-width: 700px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-card canvas { max-height: 220px; }
  .noisy-table { display: none; }
  .noisy-cards { display: flex; flex-direction: column; gap: 8px; }
}
@media (min-width: 701px) { .noisy-cards { display: none; } }

/* --- card v2 --- */
.card-id {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 13px;
}
.priority-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--danger, #d93025);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
}
.card--priority {
  border-right: 3px solid var(--danger, #d93025);
}
.card-meta-line {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}
.card-meta-line.is-overdue {
  color: var(--danger, #d93025);
  font-weight: 600;
}
.internal-notes {
  margin-top: 20px;
  padding: 16px;
  background: var(--surface, #f8f9fb);
  border-radius: var(--radius, 12px);
  border: 1px solid var(--border, #e5e7ef);
}
.internal-notes .modal-block-label {
  margin: 0 0 10px;
}
.internal-notes .internal-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.internal-notes .internal-row {
  font-size: 14px;
  color: var(--text, #1a1f36);
}
.internal-notes .internal-key {
  color: var(--text-muted);
  margin-right: 6px;
}
.internal-notes .internal-comment {
  white-space: pre-wrap;
  font-size: 14px;
  color: var(--text, #1a1f36);
  line-height: 1.5;
}
.internal-notes .internal-chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.internal-notes .internal-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg, #eef0f6);
  color: var(--text-muted);
  font-size: 12px;
}

/* ---------- drill-through panel ---------- */
.drill { position: fixed; inset: 0; z-index: 60; display: flex; justify-content: flex-end; }
.drill[hidden] { display: none; }
.drill-backdrop {
  position: absolute; inset: 0;
  background: rgba(15,23,42,0.42);
  animation: drill-fade 160ms ease;
}
.drill-panel {
  position: relative;
  width: 420px;
  max-width: 100%;
  height: 100%;
  background: var(--surface);
  box-shadow: -20px 0 60px rgba(15,23,42,0.25);
  display: flex;
  flex-direction: column;
  animation: drill-slide 200ms cubic-bezier(.2,.8,.2,1);
}
@keyframes drill-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes drill-slide { from { transform: translateX(100%); } to { transform: translateX(0); } }
.drill-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 14px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--surface); z-index: 1;
}
.drill-head h2 { margin: 0; font-size: 18px; color: var(--text); }
.drill-close {
  border: 0; background: transparent;
  font-size: 20px; cursor: pointer;
  color: var(--muted); padding: 4px 10px; border-radius: 6px;
  line-height: 1;
}
.drill-close:hover { background: #f1f5f9; color: var(--text); }
.drill-sub {
  padding: 10px 24px 0;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.drill-list {
  padding: 14px 24px 24px;
  overflow-y: auto;
  flex: 1;
}
.drill-item {
  display: block; width: 100%; text-align: left;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
  font: inherit; color: inherit;
}
.drill-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(37,99,235,0.08);
  transform: translateY(-1px);
}
.drill-item-head {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-bottom: 6px;
}
.drill-item-id { font-weight: 700; color: var(--muted); font-size: 12px; }
.drill-item-title {
  font-weight: 600; color: var(--text); font-size: 14px; line-height: 1.35;
}
.drill-item-meta { margin-top: 6px; color: var(--muted); font-size: 12px; }
.drill-item--msg .drill-item-author { font-weight: 600; color: var(--text); font-size: 13px; }
.drill-item--msg .drill-item-date { color: var(--muted); font-size: 11px; margin-left: auto; }
.drill-item--msg .drill-item-text {
  margin-top: 6px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.drill-item--msg .drill-item-footer { margin-top: 8px; color: var(--muted); font-size: 11px; }
.drill-empty {
  color: var(--muted);
  padding: 40px 0;
  text-align: center;
  font-size: 13px;
}
button.kpi-card {
  font: inherit; color: inherit; text-align: left;
  border: 0; width: 100%;
}
.kpi-card--clickable {
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
.kpi-card--clickable:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(15,23,42,0.12);
}
.kpi-card--clickable:active { transform: translateY(0); }
@media (max-width: 700px) {
  .drill-panel { width: 100%; }
}

/* ---------- dashboard top-categories ---------- */
.category-row {
  margin: 18px 0 0;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.category-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 10px;
}
.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: #f8faff;
  border: 1px solid var(--border);
  border-radius: 999px;
  cursor: pointer;
  font: inherit; color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.category-chip:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 14px rgba(37,99,235,0.10);
  transform: translateY(-1px);
}
.category-chip-emoji { font-size: 16px; }
.category-chip-label { font-weight: 600; color: var(--text); font-size: 13px; }
.category-chip-count {
  font-weight: 700;
  color: var(--primary);
  background: #eaf1ff;
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  min-width: 22px;
  text-align: center;
}
.category-empty {
  color: var(--muted);
  font-size: 13px;
}
.category-empty code {
  background: #eef2f7;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
}

/* ---------- sentiment row ---------- */
.sentiment-row {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  margin: 16px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.sentiment-row:empty { display: none; }
.sentiment-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.sentiment-bar {
  display: flex;
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: #f1f5f9;
}
.sentiment-seg.is-negative { background: #ef4444; }
.sentiment-seg.is-neutral  { background: #94a3b8; }
.sentiment-seg.is-positive { background: #22c55e; }
.sentiment-chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.sentiment-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.sentiment-chip.is-negative { background: #fee2e2; color: #b91c1c; }
.sentiment-chip.is-neutral  { background: #e2e8f0; color: #475569; }
.sentiment-chip.is-positive { background: #dcfce7; color: #166534; }
.sentiment-chip-count { font-weight: 800; }
.sentiment-chip-pct { opacity: 0.75; font-weight: 500; }

/* ---------- chat category chips ---------- */
.chat-cat-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.chat-filter-row {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}
.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.cat-chip:hover { background: #f8fafc; }
.cat-chip.is-active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.cat-chip-count {
  padding: 1px 7px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.08);
  font-size: 11px;
  font-weight: 700;
}
.cat-chip.is-active .cat-chip-count { background: rgba(255, 255, 255, 0.25); }

/* ---------- top ext links ---------- */
.ext-links { display: flex; gap: 6px; }
.ext-link { font-size: 12px; padding: 6px 10px; text-decoration: none; }
.ext-link:hover { background: #f1f5f9; }

/* ---------- Lurv view ---------- */
.workspace--lurv { padding: 20px 24px; display: flex; flex-direction: column; gap: 20px; overflow-y: auto; }
.lurv-kpis { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lurv-kpis .kpi-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 4px; }
.lurv-kpis .kpi-icon { font-size: 22px; }
.lurv-kpis .kpi-val { font-size: 22px; font-weight: 700; color: var(--text); }
.lurv-kpis .kpi-label { font-size: 13px; color: var(--text-muted); font-weight: 600; }
.lurv-kpis .kpi-hint { font-size: 11px; color: var(--text-muted); }
.lurv-table-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.lurv-table-card .table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.lurv-table-card h3 { margin: 0 0 12px; font-size: 15px; font-weight: 700; }
.lurv-table th, .lurv-table td { padding: 8px 10px; vertical-align: top; }
.lurv-table tbody tr:hover { background: #f8fafc; }
.lurv-table .col-nowrap { white-space: nowrap; }
.task-chip { display: inline-block; margin: 0 4px 4px 0; padding: 3px 8px; border-radius: 999px; border: 1px solid var(--border); background: #eef2ff; color: #4338ca; font-size: 12px; font-weight: 600; cursor: pointer; }
.task-chip:hover { background: #e0e7ff; }
.lurv-empty { padding: 40px; text-align: center; color: var(--text-muted); }
#chart-lurv-weekly { max-height: 280px; }
@media (max-width: 1099px) {
  .lurv-kpis { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .lurv-kpis { grid-template-columns: 1fr; }
  .ext-links { display: none; }
}

/* ---------- history button in brand title ---------- */
.brand-title { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.history-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  background: #eef2ff;
  padding: 3px 8px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid #c7d2fe;
  transition: background .15s, transform .1s;
}
.history-btn:hover { background: #e0e7ff; transform: translateY(-1px); }

/* keep the left-side ext-links clean */
.app-header-left .ext-links { margin-left: 16px; }
@media (max-width: 900px) {
  .history-btn { font-size: 10px; padding: 2px 6px; }
  .app-header-left .ext-links { display: none; }
}