:root {
  --bg: var(--tg-theme-bg-color, #0f1115);
  --surface: var(--tg-theme-secondary-bg-color, #1a1d24);
  --text: var(--tg-theme-text-color, #e7e9ee);
  --text-muted: var(--tg-theme-hint-color, #7f8694);
  --accent: var(--tg-theme-button-color, #4a90e2);
  --accent-text: var(--tg-theme-button-text-color, #fff);
  --link: var(--tg-theme-link-color, #6ab7ff);
  --border: rgba(255, 255, 255, 0.06);
  --danger: #ff6b6b;
  --success: #51cf66;
  --warn: #ffd43b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "SF Pro Text", system-ui, sans-serif;
  font-size: 15px; line-height: 1.45;
  min-height: 100vh; padding-bottom: 32px;
  overscroll-behavior-y: contain;
}

#topbar {
  position: sticky; top: 0; z-index: 5;
  background: var(--bg);
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: baseline;
}
#topbar h1 { font-size: 20px; font-weight: 600; letter-spacing: -0.01em; }
.muted { color: var(--text-muted); font-size: 13px; }

#filters {
  display: flex; gap: 8px;
  padding: 12px 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
#filters::-webkit-scrollbar { display: none; }

.chip {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 18px;
  padding: 6px 13px; font-size: 13px; font-weight: 500;
  white-space: nowrap; cursor: pointer;
  transition: 120ms;
}
.chip:hover { border-color: var(--text-muted); }
.chip.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }

#search {
  display: block; margin: 4px 16px 12px;
  width: calc(100% - 32px);
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 14px; font-size: 14px;
  -webkit-appearance: none; appearance: none;
}
#search:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }

#contacts {
  padding: 0 16px;
  display: flex; flex-direction: column; gap: 8px;
}

.contact {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 14px;
  display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center;
  cursor: pointer;
  transition: 120ms;
}
.contact:active { transform: scale(0.99); }

.contact .avatar {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4a90e2, #b06ab3);
  display: grid; place-items: center;
  color: white; font-weight: 600; font-size: 14px;
  user-select: none;
}

.contact .body { min-width: 0; }
.contact .name { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.contact .meta { color: var(--text-muted); font-size: 12px; margin-top: 2px; display: flex; gap: 8px; flex-wrap: wrap; }

.contact .badge {
  background: rgba(255,255,255,0.06); padding: 2px 8px; border-radius: 8px;
  font-size: 11px; font-weight: 500;
}
.contact .badge.lead { background: rgba(123, 209, 130, 0.16); color: #7bd182; }
.contact .badge.discovery { background: rgba(106, 183, 255, 0.16); color: #6ab7ff; }
.contact .badge.active { background: rgba(81, 207, 102, 0.18); color: #51cf66; }
.contact .badge.paused { background: rgba(255, 212, 59, 0.16); color: #ffd43b; }
.contact .badge.completed { background: rgba(176, 106, 179, 0.16); color: #b06ab3; }
.contact .badge.peer { background: rgba(106, 183, 255, 0.10); color: #6ab7ff; }
.contact .badge.family { background: rgba(255, 122, 165, 0.16); color: #ff7aa5; }
.contact .badge.business { background: rgba(180, 180, 180, 0.16); color: #b4b4b4; }
.contact .badge.archived { background: rgba(127, 134, 148, 0.16); color: #7f8694; }
.contact .badge.unknown { background: rgba(127, 134, 148, 0.10); color: #7f8694; }

.tag {
  font-size: 11px; padding: 2px 7px;
  border-radius: 8px;
  background: rgba(74, 144, 226, 0.10);
  color: var(--link);
}

#loadmore { text-align: center; padding: 20px; }
#loadmore button {
  background: var(--surface); color: var(--text); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 22px; font-size: 14px; cursor: pointer;
}

.hidden { display: none !important; }

/* Detail sheet */
#sheet {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}
.sheet-content {
  position: absolute; bottom: 0; left: 0; right: 0;
  max-height: 92vh; overflow-y: auto;
  background: var(--bg);
  border-radius: 16px 16px 0 0;
  padding: 16px;
  border-top: 1px solid var(--border);
}
.ghost {
  background: transparent; color: var(--link); border: none;
  font-size: 14px; padding: 6px 0; cursor: pointer; font-weight: 500;
}

.detail-name { font-size: 22px; font-weight: 600; margin: 8px 0 4px; }
.detail-meta { color: var(--text-muted); font-size: 13px; margin-bottom: 14px; }
.detail-section { margin: 16px 0; }
.detail-section h3 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--text-muted); margin-bottom: 8px; font-weight: 600;
}
.detail-section p { font-size: 14px; line-height: 1.5; }

.status-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(108px, 1fr)); gap: 6px;
}
.status-btn {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px; cursor: pointer; font-size: 13px;
  color: var(--text);
}
.status-btn.current {
  background: var(--accent); color: var(--accent-text); border-color: var(--accent);
}

.followup-row { display: flex; gap: 8px; flex-wrap: wrap; }
.followup-row button {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 10px 14px; cursor: pointer; font-size: 13px;
  color: var(--text);
}
.followup-row button:hover { border-color: var(--accent); }

.empty {
  text-align: center; padding: 60px 20px; color: var(--text-muted);
}

.error {
  background: rgba(255, 107, 107, 0.10); color: var(--danger);
  border: 1px solid rgba(255, 107, 107, 0.2);
  border-radius: 10px; padding: 12px; margin: 12px 16px; font-size: 13px;
}

.summary-text {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px; font-size: 13px; line-height: 1.5;
  white-space: pre-wrap;
}