/* AI Analytics Teammate - pilot frontend.
   Chat-first shell: a collapsible sidebar (Chat / Favorieten / Dashboards),
   a main view, and a chat drawer that can be opened from any other view. */

:root {
  color-scheme: light;
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e3e6ef;
  --border-strong: #d5d9e3;
  --text: #1a1a2e;
  --muted: #6b7280;
  --faint: #9ca3af;
  --accent: #4f6df5;
  --accent-soft: #eef1fb;
  --accent-text: #3b56d8;
  --danger: #c0392b;
  --star: #e5a100;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-pop: 0 6px 20px rgba(0, 0, 0, 0.13);
  --sidebar-w: 248px;
  --drawer-w: 520px;
  --radius: 10px;
}

* { box-sizing: border-box; }

/* The browser's own rule for [hidden] is display:none at the weakest possible
   specificity, so any of our display:grid/flex rules silently outranks it and
   the element stays visible while el.hidden reads true. One global guard. */
[hidden] { display: none !important; }

html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}
button { font: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; }
a { color: var(--accent-text); }

/* ---------- app shell ---------- */
.app { display: flex; height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: margin-left 0.18s ease;
}
.app.sidebar-collapsed .sidebar { margin-left: calc(-1 * var(--sidebar-w)); }

.sidebar-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 0.9rem;
  border-bottom: 1px solid var(--border);
  min-height: 56px;
}
.brand { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 700; font-size: 0.95rem; }
.brand-sub { font-size: 0.7rem; color: var(--faint); letter-spacing: 0.04em; text-transform: uppercase; }

.icon-btn {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1;
  padding: 0.35rem 0.45rem;
  border-radius: 8px;
}
.icon-btn:hover { background: var(--accent-soft); color: var(--accent-text); }

.nav { padding: 0.6rem; display: flex; flex-direction: column; gap: 0.15rem; flex: 1; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  text-align: left;
  border: none;
  background: none;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  font-weight: 500;
}
.nav-item:hover { background: var(--accent-soft); }
.nav-item[aria-current="page"] { background: var(--accent-soft); color: var(--accent-text); font-weight: 600; }
.nav-item .nav-icon { width: 1.2rem; text-align: center; font-size: 1rem; }
.nav-sub { display: flex; flex-direction: column; gap: 0.1rem; margin: 0.1rem 0 0.4rem 1.6rem; }
.nav-sub .nav-item { padding: 0.4rem 0.6rem; font-size: 0.86rem; font-weight: 400; color: var(--muted); }
.nav-sub .nav-item[aria-current="page"] { color: var(--accent-text); font-weight: 600; }
.nav-sub .nav-add { color: var(--accent-text); font-size: 0.82rem; }
.nav-sub .nav-add:hover { text-decoration: underline; background: none; }
.nav-inline-form { display: flex; gap: 0.3rem; padding: 0.2rem 0.4rem; }
.nav-inline-form input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-size: 0.85rem;
  padding: 0.3rem 0.45rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
}
.sidebar-foot { padding: 0.75rem 0.9rem; border-top: 1px solid var(--border); font-size: 0.72rem; color: var(--faint); line-height: 1.4; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; height: 100vh; }
.topbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.25rem;
  min-height: 56px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.topbar h1 { font-size: 1.05rem; }
.topbar .spacer { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 0.4rem; }

.view { flex: 1; min-height: 0; overflow-y: auto; }
.view-inner { padding: 1.5rem 1.75rem 3rem; max-width: 1400px; margin: 0 auto; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: 0.86rem;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); color: var(--accent-text); }
.btn:disabled { opacity: 0.55; cursor: default; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: #3f5ce6; color: #fff; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--muted); }
.btn-ghost:hover { background: var(--accent-soft); }
.btn-danger:hover { border-color: var(--danger); color: var(--danger); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.78rem; border-radius: 6px; }
.btn-star.saved { color: var(--star); border-color: #f1d98a; background: #fff9e6; }

/* popover menus (dashboard picker, gear panel, favourite naming) */
.pop-anchor { position: relative; display: inline-block; }
.popover {
  position: absolute;
  z-index: 60;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 230px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: var(--shadow-pop);
  padding: 0.4rem;
}
.popover.right { left: auto; right: 0; }
.popover-title { font-size: 0.72rem; color: var(--faint); text-transform: uppercase; letter-spacing: 0.04em; padding: 0.3rem 0.5rem; }
.popover .menu-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
  border: none;
  background: none;
  text-align: left;
  padding: 0.45rem 0.6rem;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text);
}
.popover .menu-item:hover { background: var(--accent-soft); }
.popover .menu-item:disabled { color: var(--faint); cursor: default; background: none; }
.popover .menu-item .tick { color: var(--accent-text); font-size: 0.8rem; }
.popover .menu-item.danger { color: var(--danger); }
.popover .menu-sep { border-top: 1px solid var(--border); margin: 0.3rem 0; }
.popover form { display: flex; gap: 0.35rem; padding: 0.3rem 0.4rem; }
.popover form input { flex: 1; min-width: 0; font: inherit; font-size: 0.85rem; padding: 0.35rem 0.5rem; border: 1px solid var(--border-strong); border-radius: 6px; }
.popover label { display: block; font-size: 0.72rem; color: var(--muted); font-weight: 600; margin: 0.35rem 0.4rem 0.15rem; }
.popover select, .popover input[type="color"] {
  width: calc(100% - 0.8rem);
  margin: 0 0.4rem;
  font: inherit;
  font-size: 0.85rem;
  padding: 0.3rem 0.4rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--panel);
}
.popover input[type="color"] { height: 1.9rem; padding: 0; cursor: pointer; }
.popover .settings-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 0.2rem; }

/* ---------- chat ---------- */
.view-chat { display: flex; flex-direction: column; }
.chat-shell { display: flex; flex-direction: column; height: 100%; min-height: 0; }
.chat-scroll { flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column; }
.chat-scroll.empty { justify-content: center; }
.chat-hero { text-align: center; padding: 2rem 1.5rem; max-width: 720px; margin: 0 auto; }
.chat-hero h2 { font-size: 1.7rem; font-weight: 600; margin-bottom: 0.4rem; }
.chat-hero p { color: var(--muted); margin: 0 0 1.4rem; }
.chat-suggestions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.chip {
  border: 1px solid var(--border-strong);
  background: var(--panel);
  border-radius: 999px;
  padding: 0.4rem 0.85rem;
  cursor: pointer;
  color: var(--text);
  font-size: 0.85rem;
}
.chip:hover { border-color: var(--accent); color: var(--accent-text); background: var(--accent-soft); }

.chat-log { display: flex; flex-direction: column; gap: 1.5rem; padding: 1.5rem 1.5rem 1rem; max-width: 920px; width: 100%; margin: 0 auto; }
.chat-turn { display: flex; flex-direction: column; gap: 0.8rem; }
.chat-user { align-self: flex-end; max-width: 80%; background: var(--accent-soft); color: var(--text); padding: 0.6rem 0.9rem; border-radius: 14px 14px 4px 14px; white-space: pre-wrap; }
.chat-assistant { display: flex; flex-direction: column; gap: 0.75rem; }
.chat-answer-text { line-height: 1.55; white-space: pre-wrap; }
.chat-answer-text.thinking { color: var(--muted); font-style: italic; }
.chat-error { color: var(--danger); }
.chat-numbers { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.chat-charts { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; }

.chat-composer { padding: 0.75rem 1.5rem 0.4rem; max-width: 920px; width: 100%; margin: 0 auto; }
.composer-box {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 0.5rem 0.5rem 0.5rem 0.9rem;
  box-shadow: var(--shadow);
}
.composer-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 109, 245, 0.15); }
.composer-box textarea {
  flex: 1;
  resize: none;
  border: none;
  outline: none;
  font: inherit;
  font-size: 0.95rem;
  line-height: 1.4;
  max-height: 160px;
  padding: 0.3rem 0;
  background: transparent;
}
.send-btn {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.send-btn:disabled { opacity: 0.5; cursor: default; }
.chat-foot { display: flex; flex-direction: column; gap: 0.3rem; padding: 0.25rem 1.5rem 0.8rem; max-width: 920px; width: 100%; margin: 0 auto; font-size: 0.74rem; color: var(--faint); }
.chat-foot-row { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.chat-foot button { border: none; background: none; color: var(--accent-text); cursor: pointer; font-size: 0.74rem; padding: 0; }
.chat-foot button:hover { text-decoration: underline; }
/* EU AI Act Art. 50 transparency: the user must be told they are talking to
   an AI, and that its answers can be wrong - kept small but always visible,
   never hidden behind a click, on every screen the chat can appear on. */
.chat-disclaimer { font-size: 0.68rem; color: var(--faint); line-height: 1.4; }

/* provenance under an answer */
.provenance-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.domain-badge {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #2a6b5f;
  background: #e6f5f2;
  border: 1px solid #bfe3db;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
}
.sql-toggle { border: none; background: none; padding: 0; font-size: 0.78rem; color: var(--accent-text); cursor: pointer; }
.sql-toggle:hover { text-decoration: underline; }
.provenance-note { font-size: 0.75rem; color: var(--faint); font-style: italic; }
.sql-panel { margin-top: 0.5rem; display: grid; gap: 0.6rem; }
.sql-block { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: #fbfcfe; }
.sql-block-head { display: flex; justify-content: space-between; align-items: center; padding: 0.3rem 0.6rem; font-size: 0.7rem; color: var(--muted); background: #f2f4fa; border-bottom: 1px solid var(--border); }
.sql-copy { border: 1px solid var(--border-strong); background: #fff; border-radius: 5px; font-size: 0.7rem; padding: 0.1rem 0.45rem; cursor: pointer; color: var(--accent-text); }
.sql-code { margin: 0; padding: 0.6rem 0.7rem; font-family: Consolas, Monaco, "Courier New", monospace; font-size: 0.74rem; line-height: 1.5; white-space: pre-wrap; word-break: break-word; }

/* ---------- cards: charts, numbers, tables ---------- */
.card { background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); padding: 1rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.5rem; min-height: 1.8rem; }
.card-title { font-size: 0.86rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-actions { display: flex; align-items: center; gap: 0.3rem; flex-shrink: 0; }
.chart-wrap { position: relative; height: 240px; }
.number-card { min-width: 190px; display: flex; flex-direction: column; justify-content: center; }
.number-label { font-size: 0.78rem; color: var(--muted); margin-bottom: 0.25rem; }
.number-value { font-size: 1.7rem; font-weight: 600; line-height: 1.1; }
.number-card .card-head { margin-bottom: 0.15rem; min-height: 0; }
.table-wrap { overflow: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
table.data th, table.data td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--border); }
table.data th { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; font-weight: 600; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tbody tr:last-child td { border-bottom: none; }
.table-note { font-size: 0.72rem; color: var(--faint); padding: 0.4rem 0.1rem 0; }
.card-error { color: var(--danger); font-size: 0.82rem; }

/* ---------- favourites page ---------- */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.page-head h2 { font-size: 1.25rem; }
.page-head .sub { color: var(--muted); font-size: 0.86rem; margin-top: 0.2rem; }
.fav-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1.25rem; }
.fav-card { display: flex; flex-direction: column; gap: 0.5rem; }
.fav-question { font-size: 0.8rem; color: var(--muted); font-style: italic; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fav-body { min-height: 90px; }
.fav-body .chart-wrap { height: 200px; }
.fav-body .number-value { font-size: 2rem; }
.fav-foot { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; border-top: 1px solid var(--border); padding-top: 0.6rem; margin-top: 0.2rem; }
.fav-on { font-size: 0.74rem; color: var(--faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kind-badge { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--faint); border: 1px solid var(--border); border-radius: 999px; padding: 0.1rem 0.45rem; }
.empty-state { text-align: center; color: var(--muted); padding: 3rem 1rem; }
.empty-state h3 { font-size: 1.05rem; margin-bottom: 0.4rem; color: var(--text); }
.inline-edit { font: inherit; font-weight: 600; font-size: 0.86rem; border: 1px solid var(--accent); border-radius: 6px; padding: 0.15rem 0.4rem; width: 100%; }

/* ---------- dashboards ---------- */
.dash-head { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; }
.dash-head h2 { font-size: 1.25rem; }
.dash-head .spacer { flex: 1; }
.dash-title-input { font: inherit; font-size: 1.25rem; font-weight: 600; border: 1px solid var(--accent); border-radius: 6px; padding: 0.1rem 0.4rem; }
.dash-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1.25rem; align-items: start; margin-top: 1rem; }
.dash-item { position: relative; display: flex; flex-direction: column; transition: outline 0.1s; min-width: 0; }
.dash-item.drag-over { outline: 2px dashed var(--accent); outline-offset: 2px; }
.dash-item .card-head { margin-bottom: 0.4rem; }
.drag-handle { cursor: grab; font-size: 1.05rem; color: #bbb; user-select: none; line-height: 1; padding: 0 0.2rem; }
.drag-handle:active { cursor: grabbing; }
.dash-item .chart-wrap { flex: 1; min-height: 0; height: auto; }
.dash-item .table-wrap { flex: 1; min-height: 0; }
.dash-item.number-card { justify-content: flex-start; }
.dash-item .number-value { margin-top: auto; margin-bottom: auto; }
.resize-handle { position: absolute; right: 3px; bottom: 2px; width: 16px; height: 16px; line-height: 16px; text-align: center; font-size: 0.9rem; color: #c5c5c5; cursor: nwse-resize; user-select: none; }
.resize-handle:hover { color: var(--accent); }
.gear-btn { color: #aaa; font-size: 0.95rem; padding: 0.1rem 0.3rem; }
.gear-btn:hover { color: var(--accent-text); }
.dash-empty { grid-column: span 12; }

/* ---------- filter bar ---------- */
.filter-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; padding: 0.6rem 0.85rem; background: #eef0f6; border-radius: 8px; }
.filter-rows { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-row { display: flex; align-items: center; gap: 0.25rem; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 6px; padding: 0.1rem 0.25rem 0.1rem 0.45rem; }
.filter-row select { border: none; padding: 0.2rem 0.1rem; background: transparent; font: inherit; font-size: 0.84rem; }
.filter-row-remove { border: none; background: none; color: var(--faint); cursor: pointer; font-size: 0.8rem; line-height: 1; padding: 0.1rem 0.2rem; }
.filter-row-remove:hover { color: var(--danger); }
.filter-add-select { font: inherit; font-size: 0.84rem; color: var(--accent-text); border: 1px dashed var(--border-strong); border-radius: 6px; padding: 0.3rem 0.45rem; background: var(--panel); }
.filter-bar input[type="date"] { font: inherit; font-size: 0.84rem; padding: 0.28rem 0.45rem; border: 1px solid var(--border-strong); border-radius: 6px; background: var(--panel); }
.filter-group.inline { display: flex; align-items: center; gap: 0.4rem; font-size: 0.84rem; color: var(--muted); }
.filter-clear-btn { border: 1px solid var(--border-strong); background: var(--panel); border-radius: 6px; padding: 0.3rem 0.65rem; font-size: 0.8rem; cursor: pointer; color: var(--muted); }
.filter-clear-btn:hover { border-color: var(--accent); color: var(--accent-text); }
.filter-active-note { font-size: 0.78rem; color: var(--accent-text); }
.ms-wrap { position: relative; }
.ms-toggle { font: inherit; font-size: 0.84rem; padding: 0.2rem 0.35rem; border: none; background: transparent; cursor: pointer; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; color: var(--text); }
.ms-toggle:hover { color: var(--accent-text); }
.ms-panel { position: absolute; top: 100%; left: 0; z-index: 30; margin-top: 0.25rem; background: var(--panel); border: 1px solid var(--border-strong); border-radius: 6px; box-shadow: var(--shadow-pop); padding: 0.4rem 0; max-height: 240px; overflow-y: auto; min-width: 180px; }
.ms-option { display: flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.7rem; font-size: 0.84rem; cursor: pointer; white-space: nowrap; }
.ms-option:hover { background: var(--accent-soft); }

/* ---------- chat drawer + floating button ---------- */
.fab {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 70;
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 50%;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 1.35rem;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(79, 109, 245, 0.4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.fab:hover { background: #3f5ce6; }
.drawer {
  position: fixed;
  top: 0;
  right: 0;
  height: 100vh;
  width: min(var(--drawer-w), 100vw);
  z-index: 80;
  background: var(--bg);
  border-left: 1px solid var(--border);
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
  display: flex;
  flex-direction: column;
}
.drawer-head { display: flex; align-items: center; gap: 0.5rem; padding: 0.7rem 1rem; border-bottom: 1px solid var(--border); background: var(--panel); min-height: 56px; }
.drawer-head h2 { font-size: 0.95rem; flex: 1; }
.drawer-body { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.drawer .chat-log, .drawer .chat-composer, .drawer .chat-foot { padding-left: 1rem; padding-right: 1rem; }
.drawer .chat-charts { grid-template-columns: 1fr; }
.drawer .chat-hero h2 { font-size: 1.2rem; }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%);
  z-index: 90;
  background: var(--text);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 10px;
  box-shadow: var(--shadow-pop);
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.86rem;
}
.toast button { border: none; background: none; color: #a8b8ff; cursor: pointer; font-weight: 600; padding: 0; }
.toast button:hover { text-decoration: underline; }

@media (max-width: 900px) {
  .sidebar { position: fixed; z-index: 75; height: 100vh; }
  .chat-charts { grid-template-columns: 1fr; }
}

/* Signed-in account + sign-out, under the sidebar footer (added with the
   Entra ID login; the pilot page had no concept of an account). */
.sidebar-foot.account { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.sidebar-foot.account #account-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }