:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --card: #ffffff;
  --text: #172033;
  --muted: #64748b;
  --border: #dbe3ef;

  --primary: #4f46e5;
  --primary-strong: #2563eb;
  --primary-soft: #eef2ff;

  --accent: #38bdf8;

  --success: #16a34a;
  --success-soft: #ecfdf5;

  --warning: #f59e0b;
  --warning-soft: #fffbeb;

  --danger: #dc2626;
  --danger-soft: #fef2f2;

  --shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, #eef2ff 0, transparent 34%),
    radial-gradient(circle at top right, #e0f2fe 0, transparent 30%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 18px 48px;
}

/* Header */

.header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 30px;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, #60a5fa, #8b5cf6);
  box-shadow: 0 10px 28px rgba(79, 70, 229, 0.22);
  flex: 0 0 auto;
}

.brand {
  font-weight: 850;
  color: var(--text);
  letter-spacing: -0.02em;
}

.sub {
  font-size: 13px;
  color: var(--muted);
}

/* Typography */

h1,
h2,
h3 {
  color: var(--text);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

h1 {
  font-size: 34px;
  margin: 0 0 12px;
}

h2 {
  font-size: 28px;
  margin: 0 0 10px;
}

h3 {
  font-size: 20px;
  margin: 0 0 12px;
}

p {
  line-height: 1.55;
}

.muted {
  color: var(--muted);
}

b,
strong {
  color: var(--text);
}

/* Links */

a {
  color: var(--primary-strong);
}

.small-link {
  color: var(--primary-strong);
  font-weight: 700;
  text-decoration: none;
}

.small-link:hover {
  text-decoration: underline;
}

/* Cards */

.card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  color: var(--text);
  backdrop-filter: blur(8px);
}

/* Forms */

form {
  margin: 0;
}

label {
  display: block;
  font-weight: 700;
}

input {
  width: 100%;
  box-sizing: border-box;
  margin-top: 6px;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-size: 15px;
  outline: none;
}

input:focus {
  border-color: #93c5fd;
  box-shadow: 0 0 0 4px rgba(147, 197, 253, 0.28);
}

input::placeholder {
  color: #94a3b8;
}

input[type="checkbox"] {
  width: auto;
  margin-top: 3px;
  accent-color: var(--primary);
}

/* Buttons */

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 16px;
  padding: 14px 18px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #ffffff;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 12px 26px rgba(37, 99, 235, 0.24);
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    opacity 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(37, 99, 235, 0.28);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

/* Utility */

.hide {
  display: none !important;
}

/* Small status blocks, used by pages that need messages */

.notice,
.ok,
.warn {
  border-radius: 14px;
  padding: 10px 12px;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.45;
}

.notice {
  color: #1e3a8a;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
}

.ok {
  color: #166534;
  background: var(--success-soft);
  border: 1px solid #bbf7d0;
}

.warn {
  color: #92400e;
  background: var(--warning-soft);
  border: 1px solid #fde68a;
}

/* Leaflet attribution and map details should remain readable */

.leaflet-container {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.leaflet-control-attribution {
  font-size: 11px;
}

/* Mobile */

@media (max-width: 700px) {
  .wrap {
    padding: 22px 14px 40px;
  }

  .header {
    margin-bottom: 24px;
  }

  .logo {
    width: 38px;
    height: 38px;
    border-radius: 13px;
  }

  h1 {
    font-size: 28px;
  }

  h2 {
    font-size: 24px;
  }

  .card {
    padding: 16px;
    border-radius: 18px;
  }

  .btn {
    padding: 13px 16px;
  }
}