:root {
  --bg: #FAFAF8;
  --sidebar: #F4F2EE;
  --chat: #F8F8F6;
  --accent: #8B2A3D;
  --accent-hover: #6E1F2F;
  --accent-soft: #F3E5E8;
  --text: #1A1A1A;
  --text-muted: #6B6B6B;
  --border: #E5E2DD;
  --border-strong: #D4CFC6;
  --success: #0E8A4F;
  --warn: #C97A2C;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: grid; grid-template-columns: 220px 1fr 460px; min-height: 100vh; }
.app.chat-collapsed { grid-template-columns: 220px 1fr 40px; }
.app.chat-collapsed .conv-list, .app.chat-collapsed .chat-pane { display: none; }
.app.chat-collapsed .chat { display: flex; }
.app.chat-collapsed .collapse::before { content: "‹"; }

.sidebar { background: var(--sidebar); border-right: 1px solid var(--border);
  padding: 18px 0; display: flex; flex-direction: column; }
.brand { padding: 0 18px 18px; font-weight: 700; font-size: 15px; letter-spacing: .2px; }
.brand small { display: block; font-weight: 400; font-size: 11px; color: var(--text-muted);
  margin-top: 2px; letter-spacing: .3px; text-transform: uppercase; }
.nav { flex: 1; display: flex; flex-direction: column; gap: 1px; padding: 8px; }
.nav a { display: block; padding: 9px 12px; border-radius: 6px; color: var(--text); font-size: 13px; }
.nav a:hover { background: #EAE6DF; text-decoration: none; }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.me { padding: 14px 18px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }
.me strong { display: block; color: var(--text); font-size: 13px; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; font: inherit; }
.link:hover { text-decoration: underline; }

.main { padding: 24px 28px; overflow: auto; }
.main h1 { margin: 0 0 4px; font-size: 22px; font-weight: 600; }
.main .subtitle { color: var(--text-muted); margin-bottom: 22px; }
.main h2 { font-size: 16px; margin: 18px 0 8px; }

.chat { background: var(--chat); border-left: 1px solid var(--border);
  display: grid; grid-template-columns: 140px 1fr; min-height: 0; }
.chat-pane { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.conv-list { display: flex; flex-direction: column; border-right: 1px solid var(--border);
  background: #F2EFEA; min-height: 0; overflow: hidden; }
.conv-list-head { padding: 12px 12px 8px; display: flex; flex-direction: column;
  gap: 8px; border-bottom: 1px solid var(--border); }
.conv-list-head strong { font-size: 11px; text-transform: uppercase;
  letter-spacing: .5px; color: var(--text-muted); }
.btn-tiny { padding: 4px 8px; font-size: 11px; }
.conv-list-body { flex: 1; overflow: auto; padding: 6px; display: flex;
  flex-direction: column; gap: 2px; }
.conv-item { padding: 8px 10px; border-radius: 6px; cursor: pointer;
  font-size: 12px; line-height: 1.35; display: block; color: var(--text);
  text-decoration: none; }
.conv-item:hover { background: #EAE6DF; text-decoration: none; }
.conv-item.active { background: var(--accent-soft); color: var(--accent); }
.conv-item .conv-title { font-weight: 600; display: block;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv-item .conv-meta { font-size: 10px; color: var(--text-muted); margin-top: 2px; }
.conv-item.active .conv-meta { color: var(--accent); }
.conv-item .conv-partner-tag { display: inline-block; font-size: 10px;
  padding: 1px 6px; border-radius: 8px; background: var(--accent-soft);
  color: var(--accent); margin-top: 3px; max-width: 100%;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; }
.conv-item.active .conv-partner-tag { background: #fff; }
.conv-empty { color: var(--text-muted); font-size: 11px; padding: 12px; text-align: center; }
.chat-head { padding: 14px 16px; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.chat-head strong, .chat-head #conv-title { font-size: 13px; flex: 1;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-toggle { display: none; background: none; border: 0; cursor: pointer;
  font-size: 18px; color: var(--text); padding: 0 4px; }
.collapse { font-size: 11px; color: var(--text-muted); cursor: pointer; user-select: none; }
.chat-body { flex: 1; overflow: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { font-size: 13px; line-height: 1.5; }
.msg.user { background: var(--accent); color: #fff; align-self: flex-end;
  padding: 8px 12px; border-radius: 12px 12px 2px 12px; max-width: 85%; }
.msg.ai { background: #fff; border: 1px solid var(--border); align-self: flex-start;
  padding: 10px 12px; border-radius: 12px 12px 12px 2px; max-width: 90%; }
.msg.ai a { color: var(--accent); text-decoration: underline; }
.msg.ai .ai-text { white-space: pre-wrap; }
.tool-jump { display: inline-block; margin-top: 6px; padding: 2px 8px;
  background: var(--accent); color: #fff; border-radius: 4px;
  font-family: Inter, sans-serif; font-size: 11px; text-decoration: none; }
.tool-jump:hover { background: var(--accent-hover); text-decoration: none; }
.msg.tool { align-self: flex-start; font-size: 11px; color: var(--text-muted);
  background: #F0EDE7; border: 1px solid var(--border); padding: 6px 10px;
  border-radius: 6px; font-family: Consolas, Monaco, monospace; max-width: 95%; word-break: break-all; }
.chat-input { border-top: 1px solid var(--border); padding: 12px; background: #fff; }
.chat-input textarea { width: 100%; border: 1px solid var(--border); border-radius: 6px;
  padding: 8px; font: inherit; resize: none; height: 60px; }
.chat-input .row { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; }
.chat-input .hint { font-size: 11px; color: var(--text-muted); }

/* Cards */
.card { background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 16px 18px; margin-bottom: 14px; }
.card-h2 { margin: 0 0 10px; font-size: 13px; text-transform: uppercase;
  letter-spacing: .4px; color: var(--text-muted); font-weight: 600; }
.card.briefing { border-left: 3px solid var(--accent); }
.card.flex { display: flex; padding: 0; }
.card.flex > div { padding: 16px 18px; }
.card.flex > div + div { border-left: 1px solid var(--border); }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; font-size: 11px;
  border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.badge.muted { background: #EFECE6; color: var(--text-muted); }
.badge.warn { background: #FBEFD6; color: var(--warn); }
.badge.ok { background: #DEEEDE; color: var(--success); }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 600; color: var(--text-muted);
  padding: 10px 8px; border-bottom: 1px solid var(--border);
  font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
td { padding: 11px 8px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
tr.row-link { cursor: pointer; }
tr.row-link:hover { background: #FAF7F2; }

/* Forms */
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-row label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.form-row input, .form-row select, .form-row textarea {
  padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px;
  font: inherit; background: #fff; }
.form-row textarea { min-height: 80px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px;
  border-radius: 6px; border: 1px solid var(--accent); background: var(--accent);
  color: #fff; font: inherit; font-size: 13px; font-weight: 500; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--accent-hover); border-color: var(--accent-hover); text-decoration: none; }
.btn.ghost { background: #fff; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.subtle { border-color: var(--border); background: #fff; color: var(--text); }
.btn.subtle:hover { background: #F4F2EE; }
.btn.danger { border-color: #B22222; background: #B22222; }
.btn.danger:hover { background: #8B1A1A; border-color: #8B1A1A; }

/* Toolbar */
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; align-items: center; flex-wrap: wrap; }
.search { flex: 1; display: flex; align-items: center; border: 1px solid var(--border);
  border-radius: 6px; background: #fff; padding: 0 10px; min-width: 240px; }
.search input { border: 0; outline: 0; width: 100%; padding: 9px 6px; font: inherit; background: transparent; }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh;
  background: linear-gradient(180deg, #FAFAF8 0%, #F0ECE5 100%); }
.login-card { width: 380px; background: #fff; border: 1px solid var(--border);
  border-radius: 10px; padding: 30px; box-shadow: 0 4px 20px rgba(0, 0, 0, .04); }
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card .sub { color: var(--text-muted); margin-bottom: 24px; font-size: 13px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 6px; }
.login-card .footnote { margin-top: 18px; font-size: 11px; color: var(--text-muted); text-align: center; }
.flash { padding: 8px 12px; background: #FBE5E5; color: #8B1A1A;
  border: 1px solid #E8B8B8; border-radius: 6px; margin-bottom: 14px; font-size: 13px; }

/* Today */
.today-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.appointment-row, .task-row { display: grid; grid-template-columns: 70px 1fr auto;
  gap: 10px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
.appointment-row:last-child, .task-row:last-child { border-bottom: none; }
.ap-time { font-weight: 600; font-size: 14px; }
.ap-name { font-size: 13px; }
.ap-name small { display: block; color: var(--text-muted); margin-top: 2px; }

/* Partner-Detail */
.ph-header { display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: 6px; gap: 10px; flex-wrap: wrap; }
.ph-meta { color: var(--text-muted); font-size: 13px; margin-bottom: 18px; }
.ph-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border);
  margin-bottom: 18px; overflow-x: auto; }
.ph-tab { padding: 10px 16px; font-size: 13px; cursor: pointer;
  border-bottom: 2px solid transparent; color: var(--text-muted);
  white-space: nowrap; background: none; border-left: 0; border-right: 0; border-top: 0; font-family: inherit; }
.ph-tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.ph-tab:hover { color: var(--text); }
.tab-content { display: none; }
.tab-content.active { display: block; }

.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; font-size: 13px; margin: 0; }
.kv dt { color: var(--text-muted); }
.kv dd { margin: 0; }

/* Timeline */
.timeline { display: flex; flex-direction: column; gap: 0; }
.tl-item { display: grid; grid-template-columns: 100px 16px 1fr; gap: 10px;
  padding: 10px 0; border-bottom: 1px dashed var(--border); }
.tl-item:last-child { border-bottom: none; }
.tl-date { color: var(--text-muted); font-size: 12px; }
.tl-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  margin-top: 7px; justify-self: center; }
.tl-dot.muted { background: var(--border-strong); }
.tl-content { font-size: 13px; }
.tl-kind { font-size: 11px; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: .3px; margin-bottom: 2px; }

/* Gap-Result */
.gap-result { background: var(--accent-soft); border: 1px solid #E8C7CD;
  border-radius: 6px; padding: 12px 14px; font-size: 13px; color: #5A1825;
  margin-top: 8px; line-height: 1.6; }
.gap-result strong { color: var(--accent); }
.gap-result + .gap-result { margin-top: 8px; }

/* Sign-Modal */
.modal-bg { position: fixed; inset: 0; background: rgba(0, 0, 0, .5);
  display: flex; align-items: center; justify-content: center; z-index: 100; }
.modal { background: #fff; border-radius: 10px; padding: 24px; width: 680px;
  max-width: 95vw; box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
.modal h2 { margin: 0 0 6px; font-size: 18px; }
.modal .modal-sub { color: var(--text-muted); margin-bottom: 16px; font-size: 13px; }
.sig-canvas { background: #FAFAF8; border: 1px solid var(--border-strong);
  border-radius: 6px; width: 100%; height: 220px; cursor: crosshair; touch-action: none; }
.sig-actions { display: flex; gap: 10px; margin-top: 14px; justify-content: flex-end; }

/* Document-Preview */
.doc-preview { background: #fff; border: 1px solid var(--border); border-radius: 8px;
  padding: 30px; margin-top: 14px; }
.doc-preview h1 { color: var(--accent); border-bottom: 2px solid var(--accent); padding-bottom: 10px; }
.doc-preview .doc-sig-img { max-height: 100px; border: 1px dashed var(--border); padding: 8px; background: #FAFAF8; }

/* Tools */
.tools-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tools-list .tool-pill { padding: 4px 10px; background: #F0EDE7;
  border: 1px solid var(--border); border-radius: 12px;
  font-size: 11px; color: var(--text-muted); font-family: Consolas, monospace; }

/* Mobile-Bar: nur auf kleinem Schirm */
.mobile-bar { display: none; }

/* Hamburger-Icon */
.hamburger { background: none; border: 0; cursor: pointer; padding: 8px;
  display: inline-flex; flex-direction: column; gap: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* Floating Chat-Button (mobile) */
.chat-fab { background: var(--accent); color: #fff; border: 0;
  width: 38px; height: 38px; border-radius: 50%; cursor: pointer;
  font-size: 12px; font-weight: 700; letter-spacing: .5px; }

/* Drawer-Hintergrund */
.drawer-bg { display: none; position: fixed; inset: 0;
  background: rgba(0, 0, 0, .4); z-index: 50; }
.drawer-bg.open { display: block; }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }

  .mobile-bar { display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; background: var(--sidebar);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 60; }
  .mobile-title { font-weight: 700; font-size: 15px; }

  /* Sidebar als Slide-In-Drawer */
  .sidebar { position: fixed; top: 0; left: 0; bottom: 0; width: 240px;
    z-index: 70; transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 2px 0 12px rgba(0, 0, 0, .15);
    display: flex !important; }
  .sidebar.open { transform: translateX(0); }

  /* Chat als Slide-Up-Overlay (Mobile) */
  .chat { position: fixed; top: 56px; left: 0; right: 0; bottom: 0;
    z-index: 70; transform: translateY(100%);
    transition: transform .2s ease;
    display: grid !important; grid-template-columns: 1fr;
    border-left: none; box-shadow: 0 -4px 12px rgba(0, 0, 0, .15); }
  .chat.open { transform: translateY(0); }
  .chat-pane { display: flex; }
  .conv-toggle { display: inline-flex; }
  /* Mobile: conv-list als Slide-In-Drawer im Chat-Overlay */
  .conv-list { display: flex; position: absolute; top: 56px; left: 0;
    bottom: 0; width: 240px; z-index: 80; transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 2px 0 12px rgba(0, 0, 0, .15); border-right: 1px solid var(--border); }
  .chat.show-convs .conv-list { transform: translateX(0); }
  .chat.show-convs::before { content: ""; position: absolute;
    top: 56px; left: 0; right: 0; bottom: 0; background: rgba(0, 0, 0, .35); z-index: 75; }
  /* tap auf Backdrop schliesst, via JS gehandhabt */
  .app.chat-collapsed .chat-body, .app.chat-collapsed .chat-input,
  .app.chat-collapsed .chat-head strong { display: flex; }  /* desktop-only collapse aufheben */

  .main { padding: 18px; }
  .today-grid, .form-grid, .grid-2 { grid-template-columns: 1fr; }
  .ph-header { flex-direction: column; }
}

@media (min-width: 901px) {
  .mobile-bar, .drawer-bg { display: none !important; }
}