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

body {
  background: #f7f3eb;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  font-family: Georgia, serif;
}

#terrain {
  position: relative;
  width: 100%;
  height: 100%;
}

#topo-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cairn {
  position: absolute;
  width: 48px;
  height: 64px;
  cursor: pointer;
  transform: translate(-50%, -100%);
  transition: transform 0.2s ease, filter 0.2s ease;
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.25));
}

.cairn:hover {
  transform: translate(-50%, -100%) scale(1.15);
  filter: drop-shadow(3px 6px 10px rgba(0,0,0,0.35));
}

.cairn.dragging {
  opacity: 0.85;
  cursor: grabbing;
  transition: none;
  pointer-events: none;
  filter: none;
}

/* Your cairns — warmer, amber-tinted */
.cairn-mine {
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.25)) sepia(0.5) saturate(2) hue-rotate(-20deg);
}

.cairn-mine:hover {
  transform: translate(-50%, -100%) scale(1.15);
  filter: drop-shadow(3px 6px 10px rgba(0,0,0,0.35)) sepia(0.5) saturate(2) hue-rotate(-20deg);
}

/* Add button — hidden until logged in */
#add-btn {
  position: fixed;
  bottom: 32px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #5a4a32;
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  z-index: 20;
  display: none;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

#add-btn:hover { background: rgba(255, 255, 255, 0.55); }

/* User status area — top right, liquid glass capsule */
#user-status {
  position: fixed;
  top: 20px;
  right: 24px;
  z-index: 20;
  font-size: 0.8rem;
  color: #5a4a32;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  padding: 6px 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

#user-status button {
  background: transparent;
  border: 1px solid rgba(90, 74, 50, 0.4);
  color: #5a4a32;
  padding: 4px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-family: Georgia, serif;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  transition: background 0.2s, color 0.2s;
}

#user-status button:hover {
  background: rgba(90, 74, 50, 0.15);
}

.seg-control {
  display: flex;
  background: rgba(90, 74, 50, 0.18);
  border: 1px solid rgba(90, 74, 50, 0.35);
  border-radius: 999px;
  overflow: hidden;
  padding: 2px;
  gap: 2px;
}

.seg-btn {
  background: transparent;
  border: none !important;
  border-radius: 999px !important;
  color: rgba(90, 74, 50, 0.75);
  padding: 3px 10px !important;
  cursor: pointer;
  font-family: Georgia, serif;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  transition: background 0.15s, color 0.15s;
}

.seg-btn.seg-active {
  background: rgba(255, 255, 255, 0.82) !important;
  color: #5a4a32 !important;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

/* Overlays — shared base */
.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.3);
  z-index: 30;
  align-items: center;
  justify-content: center;
}

.overlay.visible { display: flex; }

/* Dialog boxes */
.dialog {
  background: #f7f3eb;
  border: 1px solid #8b7355;
  border-radius: 6px;
  padding: 28px 32px;
  width: 320px;
  box-shadow: 4px 8px 24px rgba(0,0,0,0.2);
}

#dialog { width: 360px; } /* cairn dialog is slightly wider */

.dialog h3 {
  font-size: 1.1rem;
  color: #5a4a32;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}

.dialog label {
  display: block;
  font-size: 0.8rem;
  color: #8b7355;
  margin-bottom: 4px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.dialog input, .dialog textarea {
  width: 100%;
  background: #eee8d8;
  border: 1px solid #c4a882;
  border-radius: 3px;
  padding: 8px 10px;
  font-family: Georgia, serif;
  font-size: 0.9rem;
  color: #3a3028;
  margin-bottom: 16px;
  resize: none;
}

#dialog textarea { height: 90px; }

.dialog-btns {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.dialog-btns button {
  padding: 8px 20px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  font-family: Georgia, serif;
  font-size: 0.9rem;
}

.btn-cancel {
  background: transparent;
  color: #8b7355;
  border: 1px solid #8b7355 !important;
}

.btn-primary {
  background: #5a4a32;
  color: #f7f3eb;
}

.btn-primary:hover { background: #3a2e1e; }

/* Error / message feedback */
.dialog-error {
  font-size: 0.8rem;
  color: #8b3a3a;
  margin-bottom: 12px;
  display: none;
}

.dialog-message {
  font-size: 0.8rem;
  color: #3a6b3a;
  margin-bottom: 12px;
  display: none;
}

.forgot-link {
  display: block;
  text-align: right;
  font-size: 0.75rem;
  color: #8b7355;
  cursor: pointer;
  margin-top: 4px;
  margin-bottom: 16px;
  text-decoration: underline;
  letter-spacing: 0.03em;
}

.forgot-link:hover { color: #5a4a32; }

#reset-view { display: none; }

/* Password field with show/hide toggle */
.pw-field-wrap {
  position: relative;
  margin-bottom: 16px;
}

#set-password-dialog .pw-field-wrap input {
  margin-bottom: 0;
  padding-right: 52px;
}

.pw-toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: #8b7355;
  font-size: 0.75rem;
  font-family: Georgia, serif;
  cursor: pointer;
  padding: 2px 4px;
  letter-spacing: 0.04em;
}

.pw-toggle:hover { color: #5a4a32; }

.hint {
  font-size: 0.75rem;
  color: #8b7355;
  margin-bottom: 16px;
  font-style: italic;
  display: block;
}

#set-password-hint { margin-top: -8px; margin-bottom: 14px; }

/* Instruction banner */
#instruction {
  display: none;
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #5a4a32;
  color: #f7f3eb;
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  z-index: 20;
  pointer-events: none;
}

/* Popup */
#popup {
  display: none;
  position: absolute;
  background: #f7f3eb;
  border: 1px solid #8b7355;
  border-radius: 4px;
  padding: 20px 24px;
  max-width: 320px;
  box-shadow: 4px 6px 20px rgba(0,0,0,0.15);
  z-index: 10;
}

#popup h3 {
  font-size: 1rem;
  color: #5a4a32;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

#popup p {
  font-size: 0.9rem;
  color: #3a3028;
  line-height: 1.6;
  font-style: italic;
}

#popup .close {
  position: absolute;
  top: 8px; right: 12px;
  cursor: pointer;
  font-size: 1rem;
  color: #8b7355;
}

#popup .close:hover { color: #5a4a32; }