*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3248;
  --accent: #4f8ef7;
  --accent2: #7c6af7;
  --success: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --text: #e8eaf0;
  --text2: #8890a8;
  --radius: 10px;
  --nav-h: 52px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  -webkit-tap-highlight-color: transparent;
}

/* ── Nav ── */
#app-nav {
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 10px;
  position: sticky;
  top: 0;
  z-index: 100;
}
#app-nav .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  flex: 1;
}
#app-nav .brand svg { color: var(--accent); flex-shrink: 0; }
#app-nav .nav-links { display: flex; gap: 8px; align-items: center; }
#gps-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text2);
  flex-shrink: 0;
}
#gps-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text2); flex-shrink: 0; }
#gps-dot.good { background: var(--success); }
#gps-dot.ok   { background: var(--warn); }
#gps-dot.bad  { background: var(--danger); }

/* ── Flash ── */
.flash {
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.flash.notice { background: rgba(52,211,153,.12); color: var(--success); border-color: rgba(52,211,153,.3); }
.flash.alert  { background: rgba(248,113,113,.12); color: var(--danger);  border-color: rgba(248,113,113,.3); }

/* ── Page container ── */
.page { padding: 20px 16px; max-width: 540px; margin: 0 auto; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  white-space: nowrap;
  text-decoration: none;
}
.btn:active { transform: scale(.97); }
.btn:disabled { opacity: .4; cursor: default; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-success { background: var(--success); color: #000; }
.btn-danger  { background: var(--danger);  color: #fff; }
.btn-ghost   { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn-sm      { padding: 7px 12px; font-size: 13px; }
.btn-full    { width: 100%; }
.btn-icon    { padding: 8px; width: 36px; height: 36px; }

/* ── Cards ── */
.card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}
.card-title { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.card-meta  { font-size: 12px; color: var(--text2); }

/* ── Form ── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text2); }
.form-control {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 10px 14px;
  font-size: 15px;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
.form-control:focus { border-color: var(--accent); }
.form-control::placeholder { color: var(--text2); }
.field-error { font-size: 12px; color: var(--danger); }

/* ── Auth pages ── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
}
.auth-header { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.auth-card h1 { font-size: 22px; font-weight: 700; margin-bottom: 4px; }
.auth-card .subtitle { font-size: 14px; color: var(--text2); margin-bottom: 0; }
.auth-footer { text-align: center; font-size: 13px; color: var(--text2); margin-top: 16px; }
.auth-footer a { color: var(--accent); text-decoration: none; }
.remember-me { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text2); margin-bottom: 16px; cursor: pointer; }

/* ── Map index ── */
.section-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 12px;
  margin-top: 24px;
}
.section-title:first-child { margin-top: 0; }

.map-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  padding: 14px 14px 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.map-card.calibrated { border-left-color: var(--accent); }
.map-card.pending    { border-left-color: var(--warn); }
.map-card-info { flex: 1; min-width: 0; }
.map-card-name { font-weight: 600; font-size: 15px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.map-card-meta { font-size: 12px; color: var(--text2); margin-top: 3px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.map-card-actions { display: flex; gap: 6px; flex-shrink: 0; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}
.chip-success { background: rgba(52,211,153,.15); color: var(--success); }
.chip-warn    { background: rgba(251,191,36,.15);  color: var(--warn); }
.chip-danger  { background: rgba(248,113,113,.15); color: var(--danger); }
.chip-info    { background: rgba(79,142,247,.15);  color: var(--accent); }

/* ── Full-screen map view ── */
.map-screen {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}
.map-topbar {
  height: var(--nav-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 8px;
  flex-shrink: 0;
  z-index: 10;
}
.map-topbar .map-name { font-size: 16px; font-weight: 700; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Calibrate sub-tabs */
.subtabs {
  display: flex;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  height: 44px;
  flex-shrink: 0;
}
.subtab-btn {
  flex: 1;
  border: none;
  background: none;
  color: var(--text2);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color .15s, border-color .15s;
}
.subtab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.subpanel { display: none; flex: 1; overflow: hidden; flex-direction: column; min-height: 0; }
.subpanel.active { display: flex; }

/* Pan/zoom map container */
.map-container {
  position: relative;
  overflow: hidden;
  background: #111;
  cursor: grab;
  flex: 1;
  touch-action: none;
  min-height: 0;
}
.map-container.panning { cursor: grabbing; }
.map-inner {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  will-change: transform;
}
.map-inner img {
  display: block;
  max-width: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* Pins on map */
.map-pin {
  position: absolute;
  transform: translate(-50%, -100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: auto;
  z-index: 5;
  cursor: pointer;
}
.map-pin .pin-head {
  width: 22px; height: 22px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 2px solid #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.5);
}
.map-pin .pin-head::after {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,.9);
}
.map-pin.mine .pin-head  { background: var(--accent); }
.map-pin.other .pin-head { background: var(--accent2); }
.map-pin.selected .pin-head { box-shadow: 0 0 0 3px #fff, 0 0 0 5px var(--warn); }
.map-pin .pin-label {
  margin-top: 3px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(0,0,0,.8);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Calibration pins */
.cal-pin {
  position: absolute;
  transform: translate(-50%, -100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  z-index: 5;
}
.cal-pin .pin-head {
  width: 20px; height: 20px;
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  border: 2px solid #fff;
  display: flex; align-items: center; justify-content: center;
}
.cal-pin .pin-head::after {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #fff;
}
.cal-pin.gps .pin-head    { background: var(--accent); }
.cal-pin.refmap .pin-head { background: var(--accent2); }
.cal-pin .pin-label {
  margin-top: 2px;
  font-size: 10px;
  background: rgba(0,0,0,.7);
  color: #fff;
  padding: 1px 4px;
  border-radius: 3px;
  white-space: nowrap;
}

/* Pending crosshair */
.pending-pin {
  position: absolute;
  width: 24px; height: 24px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 6;
}
.pending-pin::before, .pending-pin::after {
  content: '';
  position: absolute;
  background: var(--warn);
}
.pending-pin::before { width: 2px; height: 100%; left: 50%; margin-left: -1px; top: 0; }
.pending-pin::after  { height: 2px; width: 100%; top: 50%; margin-top: -1px; left: 0; }

/* GPS marker */
#gps-marker {
  position: absolute;
  z-index: 6;
  pointer-events: none;
  transform: translate(-50%, -50%);
}
.gps-accuracy-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(79,142,247,.4);
  background: rgba(79,142,247,.07);
  transform: translate(-50%, -50%);
  top: 50%; left: 50%;
}
.gps-dot-inner {
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #fff;
  box-shadow: 0 0 8px rgba(79,142,247,.7);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
}

/* Toolbar (walk & mark, navigate add pin) */
.map-toolbar {
  padding: 10px 12px;
  background: var(--surface2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.map-toolbar-status {
  font-size: 13px;
  color: var(--text2);
  flex: 1;
}
.map-toolbar-status.pending { color: var(--warn); }
.map-toolbar-status.tap     { color: var(--accent); }
.map-toolbar-status.good    { color: var(--success); }

/* Float controls */
.map-float-controls {
  position: absolute;
  bottom: 72px;
  right: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 10;
}

/* Ref map */
#refmap-leaflet-wrap {
  flex: 1;
  min-height: 0;
  position: relative;
  border-top: 3px solid var(--accent2);
}
#refmap-leaflet { width: 100%; height: 100%; }
#refmap-state-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  background: rgba(15,17,23,.88);
  color: var(--text2);
  font-size: 12px;
  padding: 5px 10px;
  z-index: 400;
  pointer-events: none;
}
#refmap-state-bar.step1 { color: var(--accent); }
#refmap-state-bar.step2 { color: var(--accent2); }

/* Points list */
.point-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 12px 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.pt-badge {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; flex-shrink: 0;
  margin-top: 1px;
}
.pt-badge.gps    { background: rgba(79,142,247,.2); color: var(--accent); }
.pt-badge.refmap { background: rgba(124,106,247,.2); color: var(--accent2); }
.pt-info { flex: 1; min-width: 0; }
.pt-label { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.pt-coords { font-size: 11px; color: var(--text2); font-family: monospace; line-height: 1.6; }
.pt-acc {
  font-size: 11px; padding: 1px 5px; border-radius: 4px; display: inline-block; margin-top: 3px;
}
.pt-acc.good { background: rgba(52,211,153,.15); color: var(--success); }
.pt-acc.ok   { background: rgba(251,191,36,.15);  color: var(--warn); }
.pt-acc.bad  { background: rgba(248,113,113,.15); color: var(--danger); }

/* Toast */
#toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  pointer-events: none;
}
.toast {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .2s, transform .2s;
  max-width: calc(100vw - 40px);
  text-align: center;
}
.toast.show    { opacity: 1; transform: translateY(0); }
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error   { border-color: var(--danger);  color: var(--danger); }
.toast.info    { border-color: var(--accent);  color: var(--accent); }

/* Add pin / edit pin shared input style */
#add-pin-form,
#pin-edit-form {
  display: none;
  padding: 10px 12px;
  background: var(--surface);
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}
#add-pin-form  { border-top: 2px solid var(--accent); }
#pin-edit-form { border-top: 2px solid var(--accent2); }
#add-pin-form.open,
#pin-edit-form.open { display: flex; }
#add-pin-form input,
#pin-edit-form input {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 14px;
  outline: none;
}
#add-pin-form input:focus  { border-color: var(--accent); }
#pin-edit-form input:focus { border-color: var(--accent2); }

/* Pin detail panel */
#pin-detail {
  display: none;
  padding: 10px 12px;
  background: var(--surface);
  border-top: 2px solid var(--accent2);
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}
#pin-detail.open { display: flex; }
.pin-detail-info { flex: 1; min-width: 0; }
.pin-detail-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pin-detail-meta { font-size: 11px; color: var(--text2); }
.pin-detail-actions { display: flex; gap: 6px; flex-shrink: 0; }

/* Nav status box */
#nav-status-box {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(15,17,23,.85);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-size: 12px;
  z-index: 10;
  min-width: 140px;
  pointer-events: none;
}

/* Toggle filter pill */
.filter-pill {
  display: inline-flex;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  flex-shrink: 0;
}
.filter-pill button {
  border: none;
  background: none;
  color: var(--text2);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.filter-pill button.active {
  background: var(--accent);
  color: #fff;
}

/* No-map overlay */
.no-image-msg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text2);
  font-size: 14px;
  text-align: center;
  padding: 20px;
  background: var(--bg);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--text2);
}
.empty-state h2 { font-size: 18px; color: var(--text); margin-bottom: 8px; }
.empty-state p  { font-size: 14px; margin-bottom: 20px; }