:root {
  --radius-lg: 28px;
  --radius-md: 20px;
  --shadow: 0 8px 32px 0 rgba(0,0,0,.18);
  --form-bg: #fff;
  --form-txt: #232323;
  --input-bg: #fafafa;
  --input-border: #eee;
  --placeholder: #b0b4b9;
  --accent: #25bb76;
  --danger: #ec5c5c;
  --add-bg: #f7f7fa;
  --add-txt: #919191;
  --form-padding: 26px 26px 16px 26px;
  --form-mobile-padding: 18px 12px 12px 12px;
  --form-mobile-bottom: 10px;
  --coords: #9a9a9a;
}
html, body {
  width: 100vw; height: 100vh; margin: 0; padding: 0;
  font-family: 'Inter', 'Arial', sans-serif;
  background: #f6f7fa; color: var(--form-txt);
  overscroll-behavior: none;
}
#map {
  position: absolute; inset: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
}
#midpoint-box {
  position: absolute; left: 2vw; top: 2vw; z-index: 10;
  background: var(--form-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--form-padding);
  min-width: 310px; max-width: 370px;
  display: flex; flex-direction: column; gap: 12px;
  border: none;
  transition: all 0.22s cubic-bezier(.7, .2, .19, 1.01);
}
#midpoint-box h2 {
  font-size: 1.17rem; font-weight: 700;
  margin: 0 0 6px 0; letter-spacing: -0.5px;
}
#mode-choice {
  margin-bottom: 10px; display: flex; gap: 18px; flex-wrap: wrap;
}
#mode-choice label {
  font-weight: 500; font-size: 1.01rem;
  background: #f6f7fa;
  border-radius: 18px;
  padding: 7px 13px 7px 10px;
  cursor: pointer;
  border: 1.2px solid #e8e9eb;
  transition: border .12s, background .12s;
  display: flex; align-items: center;
  gap: 5px;
}
#mode-choice input[type="radio"] {
  accent-color: var(--accent);
  margin-right: 4px;
}
.input-wrap {
  display: flex; align-items: center;
  margin-bottom: 6px;
  background: var(--input-bg);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--input-border);
  overflow: hidden;
  transition: box-shadow 0.14s;
}
.input-wrap:focus-within {
  box-shadow: 0 0 0 2px var(--accent)33;
  border-color: var(--accent);
}
.input-wrap input {
  border: none; outline: none;
  font-size: 1rem; padding: 13px 16px;
  flex: 1; background: transparent; color: var(--form-txt);
  font-family: inherit; min-width: 0;
}
.input-wrap input::placeholder {
  color: var(--placeholder); font-weight: 500;
  letter-spacing: 0.01em;
}
.remove-btn {
  background: none; border: none;
  color: var(--danger); font-size: 1.25rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; opacity: 0.75;
  transition: background 0.1s, opacity 0.18s;
}
.remove-btn:active, .remove-btn:hover {
  background: #ffdada; opacity: 1;
}
.remove-btn[aria-hidden="true"] { display: none; }
#add-field-btn {
  display: flex; align-items: center;
  background: var(--add-bg); color: var(--add-txt);
  border: none; border-radius: var(--radius-md);
  padding: 12px 14px; margin: 0 0 2px 0;
  font-size: 1rem; cursor: pointer; font-weight: 500; gap: 7px;
  transition: background 0.13s, color 0.13s;
}
#add-field-btn:hover, #add-field-btn:active {
  background: #e5e7eb; color: #232323;
}
#add-field-btn:disabled {
  opacity: .5; pointer-events: none;
}
#find-btn {
  background: #fff;
  color: var(--accent);
  border: 1.7px solid var(--accent);
  border-radius: 999px;
  height: 46px;
  min-width: 120px;
  padding: 0 28px;
  font-size: 1.06rem;
  font-weight: 600;
  box-shadow: 0 3px 13px 0 #1aac6612;
  outline: none;
  position: absolute; right: 18px; bottom: 17px;
  letter-spacing: 0.01em;
  transition: background .14s, color .14s, border .14s, box-shadow .16s;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
#find-btn:hover, #find-btn:focus {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
#find-btn.loading {
  pointer-events: none;
  opacity: 0.7;
  background: #fff;
  color: var(--accent);
  border-color: var(--accent);
}
#find-btn .spinner {
  display: block;
  width: 22px; height: 22px;
  border: 3px solid #1aac6622;
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 0 auto;
  background: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

#settings-btn {
  display: none; position: fixed; z-index: 21; right: 14px; bottom: 18px;
  background: #fff; color: #353535; border: none; border-radius: 50%;
  box-shadow: var(--shadow); width: 54px; height: 54px;
  align-items: center; justify-content: center; font-size: 1.6rem;
  cursor: pointer; border: 1.5px solid #efefef; opacity: 0.96;
  transition: box-shadow .19s, background .19s;
  outline: none;
}
#settings-btn:active {
  background: #f6f6f9; box-shadow: 0 2px 10px 0 #bbb3;
}
@media (max-width: 700px) {
  #midpoint-box {
    left: 0; right: 0; top: unset; bottom: var(--form-mobile-bottom);
    width: 96vw; min-width: unset; max-width: unset; margin: 0 auto;
    border-radius: 24px; box-shadow: 0 4px 28px 0 #0002;
    padding: var(--form-mobile-padding); gap: 9px;
  }
  #find-btn { right: 10px; bottom: 9px; }
  #midpoint-box h2 { font-size: 1.05rem; margin-bottom: 4px; }
  #settings-btn { display: flex; }
  #midpoint-box.hide-mobile { display: none !important; }
}
.popup-coords {
  color: var(--coords); font-size: 1.04em; font-weight: 500;
  letter-spacing: 0.01em; margin-bottom: 11px;
}
.popup-btn-row {
  display: flex; gap: 16px; margin-top: 0px;
}
.popup-btn {
  display: flex; align-items: center; gap: 7px;
  background: #fff; border: 1.6px solid #d4d4d4;
  border-radius: 28px; padding: 7px 23px 7px 15px;
  font-size: 1.04em; font-weight: 500; color: #1a1a1a;
  cursor: pointer; transition: border .16s, background .13s;
  outline: none; box-shadow: 0 2px 7px #1a1a1a0d;
  min-width: 0; user-select: none;
}
.popup-btn:active, .popup-btn:focus {
  background: #f3f3f7; border-color: #bdbdbd;
}
.popup-btn .icon {
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1em; margin-right: .1em;
}
.leaflet-marker-icon {
  object-fit: contain !important;
  width: 40px !important;
  height: 54px !important;
  max-width: 100% !important;
  max-height: 100% !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  image-rendering: auto;
}
.popup-btn img {
  width: 22px !important;
  height: 22px !important;
  object-fit: contain !important;
  display: block;
}
.leaflet-control-attribution{display:none}
.leaflet-control-zoom{box-shadow:0 2px 8px #0002;border-radius:14px}
::-webkit-scrollbar{width:0;background:transparent}