/* ── Reset & base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue:      #1a73e8;
  --green:     #27ae60;
  --orange:    #e67e22;
  --purple:    #8e44ad;
  --gray:      #7f8c8d;
  --dark:      #2c3e50;
  --light:     #f4f6f9;
  --border:    #dde1e7;
  --text:      #333;
  --text2:     #666;
  --sidebar-w: 280px;
  --status-h:  34px;
  --header-h:  48px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--light);
  overflow: hidden;
}

/* ── Layout ──────────────────────────────────────────────── */
#layout { display: flex; flex-direction: column; height: 100vh; }

#header {
  flex: 0 0 var(--header-h);
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0 14px;
  gap: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
  z-index: 10;
}
#header h1 { font-size: 14px; font-weight: 600; letter-spacing: .2px; flex: 1; }
#header-stats { font-size: 11px; color: rgba(255,255,255,.6); white-space: nowrap; }

#body { flex: 1; display: flex; overflow: hidden; }

/* ── Sidebar ─────────────────────────────────────────────── */
#sidebar {
  flex: 0 0 var(--sidebar-w);
  display: flex;
  flex-direction: column;
  background: #fff;
  border-right: 1px solid var(--border);
  overflow: hidden;
}

#filters {
  flex: 0 0 auto;
  padding: 10px 10px 8px;
  border-bottom: 1px solid var(--border);
  overflow-y: auto;
  max-height: 60vh;
}

/* ── Form controls ───────────────────────────────────────── */
.form-group { margin-bottom: 6px; }
.form-group label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  color: var(--text2);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.form-group select,
.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="date"] {
  width: 100%;
  padding: 5px 7px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 12px;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color .15s;
}
.form-group select:focus,
.form-group input:focus { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(26,115,232,.12); }

.form-check label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
  color: var(--text);
}
.form-check input[type="checkbox"] {
  width: 14px; height: 14px;
  accent-color: var(--blue);
  cursor: pointer;
}

.filter-row { display: flex; gap: 5px; }
.filter-row .form-group { flex: 1; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn-group { display: flex; gap: 5px; margin-top: 6px; }

.btn {
  flex: 1;
  padding: 6px 8px;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: filter .12s, opacity .12s;
  white-space: nowrap;
  text-align: center;
}
.btn:hover   { filter: brightness(1.08); }
.btn:active  { filter: brightness(.92); }
.btn:disabled { opacity: .45; cursor: default; filter: none; }

.btn-primary { background: var(--blue);   color: #fff; }
.btn-green   { background: var(--green);  color: #fff; }
.btn-orange  { background: var(--orange); color: #fff; }
.btn-ghost   { background: var(--light);  color: var(--text); border: 1px solid var(--border); }

/* Help button in header */
.btn-help {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
  transition: background .15s;
}
.btn-help:hover { background: rgba(255,255,255,.32); }

/* ── Lot list ────────────────────────────────────────────── */
#list-header {
  flex: 0 0 auto;
  padding: 5px 10px;
  background: var(--light);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  color: var(--text2);
  display: flex;
  justify-content: space-between;
}

#lot-list { flex: 1; overflow-y: auto; overflow-x: hidden; }

.lot-item {
  padding: 8px 10px;
  border-bottom: 1px solid #f0f0f0;
  cursor: pointer;
  transition: background .1s;
}
.lot-item:hover  { background: #f0f7ff; }
.lot-item.active { background: #e3f0ff; border-left: 3px solid var(--blue); }
.lot-item.no-geo { opacity: .6; }

.lot-top {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  margin-bottom: 3px;
}
.lot-badge {
  font-size: 9px;
  font-weight: 700;
  padding: 2px 5px;
  border-radius: 3px;
  color: #fff;
  flex-shrink: 0;
  margin-top: 1px;
}
.lot-badge.ЗУ      { background: var(--green); }
.lot-badge.ЗД      { background: var(--orange); }
.lot-badge.КВ      { background: var(--blue); }
.lot-badge.НП      { background: var(--purple); }
.lot-badge.unknown { background: var(--gray); }

.lot-title {
  font-size: 12px;
  font-weight: 500;
  line-height: 1.35;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.lot-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2px;
}
.lot-price { font-size: 12px; font-weight: 700; color: #c0392b; }
.lot-meta-right { display: flex; gap: 6px; align-items: center; }
.lot-area  { font-size: 11px; color: var(--text2); }
.lot-date  { font-size: 11px; color: var(--text2); }

.empty-msg {
  padding: 28px 14px;
  text-align: center;
  color: var(--text2);
  font-size: 13px;
  line-height: 1.6;
}

/* ── Map ─────────────────────────────────────────────────── */
#map-wrap { flex: 1; position: relative; background: #e5e5e5; }
#map { width: 100%; height: 100%; }

/* ── Status bar ──────────────────────────────────────────── */
#statusbar {
  flex: 0 0 var(--status-h);
  background: var(--dark);
  color: rgba(255,255,255,.85);
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 12px;
  gap: 8px;
  overflow: hidden;
}
#status-spinner {
  width: 13px; height: 13px;
  border: 2px solid rgba(255,255,255,.25);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
  display: none;
}
#status-spinner.active { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }
#status-text { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Lot detail modal ────────────────────────────────────── */
#modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1000;
  align-items: center; justify-content: center;
}
#modal-overlay.open { display: flex; }

#modal-box {
  background: #fff;
  border-radius: 8px;
  padding: 22px;
  width: 520px; max-width: 92vw; max-height: 82vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
#modal-box h3 { font-size: 14px; margin-bottom: 12px; line-height: 1.4; color: var(--dark); }
.modal-row {
  display: flex; gap: 8px;
  padding: 5px 0; border-bottom: 1px solid #f0f0f0;
  font-size: 12px; line-height: 1.5;
}
.modal-row:last-child { border-bottom: none; }
.modal-row b  { flex: 0 0 130px; color: var(--text2); font-weight: 600; }
.modal-row span { flex: 1; }
.modal-row a  { color: var(--blue); }
.modal-footer { margin-top: 14px; display: flex; justify-content: flex-end; }

/* ── Help modal ──────────────────────────────────────────── */
#help-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1001;
  align-items: center; justify-content: center;
}
#help-overlay.open { display: flex; }

#help-box {
  background: #fff; border-radius: 8px; padding: 22px;
  width: 560px; max-width: 94vw; max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
#help-box h3 { font-size: 15px; color: var(--dark); margin-bottom: 10px; }

.help-intro {
  font-size: 13px; line-height: 1.6; color: var(--text);
  margin-bottom: 14px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* Tabs */
.help-tabs { display: flex; gap: 4px; margin-bottom: 14px; }
.help-tab {
  padding: 6px 14px; border: 1px solid var(--border);
  background: var(--light); color: var(--text2);
  border-radius: 5px; font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all .15s;
}
.help-tab.active { background: var(--blue); color: #fff; border-color: var(--blue); }
.help-tab:hover:not(.active) { background: #e8eef8; }

.help-panel { display: none; }
.help-panel.active { display: block; }

.help-steps { padding-left: 18px; margin-bottom: 14px; }
.help-steps li { font-size: 13px; line-height: 1.7; margin-bottom: 10px; }
.help-steps a { color: var(--blue); }

.help-note { display: block; font-size: 11px; color: var(--text2); margin-top: 2px; }

.help-download-btn {
  display: inline-block; margin-top: 6px;
  padding: 7px 14px; background: var(--green); color: #fff;
  border-radius: 6px; text-decoration: none;
  font-weight: 700; font-size: 13px;
  transition: filter .12s;
}
.help-download-btn:hover { filter: brightness(1.08); }

.help-code {
  display: inline-block; margin-top: 5px;
  padding: 5px 10px; background: #f4f6f9;
  border: 1px solid var(--border); border-radius: 4px;
  font-family: monospace; font-size: 12px;
  user-select: all;
}

.bookmarklet-drag {
  display: inline-block; margin-top: 6px;
  padding: 7px 14px; background: #1a73e8; color: #fff;
  border-radius: 6px; text-decoration: none;
  font-weight: 700; font-size: 13px;
  cursor: grab; user-select: none;
  transition: filter .12s;
}
.bookmarklet-drag:hover { filter: brightness(1.08); }

.help-code-block {
  background: var(--light); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 12px; margin-bottom: 14px;
}
.help-code-label {
  font-size: 10px; font-weight: 700; color: var(--text2);
  text-transform: uppercase; letter-spacing: .5px; margin-bottom: 6px;
}
#bookmarklet-code {
  width: 100%; font-family: monospace; font-size: 11px;
  border: 1px solid var(--border); border-radius: 4px;
  padding: 6px 8px; resize: none; color: var(--text); background: #fff;
}