/* ---------- Base ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

:root{
  --bg: linear-gradient(135deg,#6a11cb,#2575fc);
  --card: #ffffff;
  --text: #1f1f2e;
  --muted: #6b6b83;
  --primary: #6a11cb;
  --primary-2: #4b0082;
  --ring: #bda7ff;
  --input: #e9e7f3;
  --shadow: 0 20px 35px rgba(0,0,0,.25);
}

body.dark{
  --bg: #0f0f1a;
  --card: #1e1e2f;
  --text: #e9e9ff;
  --muted: #bdbde5;
  --primary: #8b5cf6;
  --primary-2: #7c3aed;
  --ring: #6e59f3;
  --input: #2b2b45;
  --shadow: 0 20px 35px rgba(0,0,0,.55);
}

html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  transition: background .3s ease, color .2s ease;
}

/* ---------- Layout ---------- */
.wrap{
  max-width: 1100px;
  margin: 48px auto;
  padding: 0 16px 48px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.card{
  margin: 0 auto;
  width: min(640px, 100%);
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px 26px 24px;
}

.card__head{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
}

h1{
  margin: 4px 0 8px;
  letter-spacing: .06em;
  font-size: 28px;
  color: var(--primary-2);
}

/* ---------- Toggle ---------- */
.toggle{
  display:flex;
  align-items:center;
  gap:10px;
  user-select:none;
}
.toggle input{ display:none; }

.toggle__slider{
  position: relative;
  width: 46px;
  height: 24px;
  background: #d7d7e8;
  border-radius: 999px;
  transition: background .25s ease;
  box-shadow: inset 0 2px 6px rgba(0,0,0,.15);
  cursor:pointer;
}
.toggle__slider::before{
  content:"";
  position:absolute;
  width: 18px; height: 18px;
  left: 3px; top: 3px;
  background: #fff;
  border-radius: 999px;
  transition: transform .25s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.toggle input:checked + .toggle__slider{
  background: var(--primary);
}
.toggle input:checked + .toggle__slider::before{
  transform: translateX(22px);
}
.toggle__label{ font-weight:700; color: var(--muted); }

/* ---------- Form ---------- */
.form{ display:block; }

.field{
  width:100%;
  margin: 12px 0;
}
.field label{
  display:block;
  font-weight: 700;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--muted);
}

input, select{
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 2px solid transparent;
  outline: none;
  background: var(--input);
  color: var(--text);
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  font-size: 16px;
}
input::placeholder{ color:#9aa0b4; }

input:focus, select:focus{
  border-color: var(--ring);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ring) 30%, transparent);
}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 560px){
  .grid-2{ grid-template-columns: 1fr; }
}

/* ---------- Button ---------- */
.btn{
  margin-top: 10px;
  width:100%;
  padding: 14px 18px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .02em;
  color:#fff;
  background: linear-gradient(90deg,var(--primary),var(--primary-2));
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .06s ease, filter .2s ease;
}
.btn:hover{ filter: brightness(1.05); }
.btn:active{ transform: translateY(1px); }

/* ---------- Result ---------- */
.result{
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--input) 70%, transparent);
  font-weight:700;
}

/* ---------- Map ---------- */
.map-wrap{
  width: min(640px, 100%);
  margin: 0 auto;
  background: var(--card);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 14px;
}
.map{
  width: 100%;
  height: 420px;
  border-radius: 12px;
  overflow: hidden;
}