:root {
  --bg-top: #17191c;
  --bg-bottom: #0f1113;
  --card: #1c1f23;
  --card-soft: #23272d;
  --text: #f3f4f6;
  --muted: #b6bcc6;
  --border: #343942;
  --accent: #f2b500;
  --accent-strong: #d89f00;
  --danger: #ff8181;
  --success: #93e7a8;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Inter", Arial, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 0, #2a2f37 0, transparent 36%), linear-gradient(180deg, var(--bg-top) 0, var(--bg-bottom) 100%);
  min-height: 100vh;
}

.hazard-line {
  height: 20px;
  background: repeating-linear-gradient(-45deg, #101010 0 13px, #f2b500 13px 26px);
  border-bottom: 1px solid #2f3339;
}

.app {
  width: min(960px, 100% - 24px);
  margin: 18px auto 32px;
}

.hero {
  padding: 14px 4px 6px;
}

.brand {
  margin: 0 0 8px;
  font-weight: 900;
  letter-spacing: .04em;
  font-size: clamp(22px, 5.5vw, 34px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  line-height: 1.1;
  font-size: clamp(30px, 7vw, 52px);
}

.lead {
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 720px;
  font-size: 16px;
}

.card {
  background: linear-gradient(180deg, var(--card) 0, #191c20 100%);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  margin-top: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, .35);
}

.field-label {
  display: block;
  margin: 0 0 8px;
  color: #e6e9ee;
  font-weight: 600;
}

input[type='file'],
input[type='text'],
input[type='number'],
select,
button {
  width: 100%;
  min-height: 46px;
  border-radius: 12px;
  margin-bottom: 14px;
}

input[type='text'],
input[type='number'],
select {
  border: 1px solid var(--border);
  padding: 0 12px;
  font-size: 16px;
  color: #f8fafc;
  background: var(--card-soft);
}

input[type='file'] {
  color: #d8dce3;
}

input[type='text']:focus,
input[type='number']:focus,
select:focus,
input[type='file']:focus {
  outline: 2px solid #ffd25c;
  outline-offset: 1px;
}

button {
  border: 0;
  background: linear-gradient(180deg, var(--accent) 0, var(--accent-strong) 100%);
  color: #141414;
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
  margin-bottom: 0;
}

button:hover { filter: brightness(1.03); }

button:disabled {
  opacity: .62;
  cursor: default;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 14px;
}

.stat {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px 12px;
  background: #20242a;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.stat-value {
  display: block;
  margin-top: 4px;
  font-size: 26px;
  font-weight: 800;
}

.fields-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 12px;
}

#status {
  min-height: 24px;
  margin: 14px 2px 0;
  font-size: 15px;
  font-weight: 700;
  color: #f5f5f5;
}

#status.error { color: var(--danger); }
#status.success { color: var(--success); }

@media (min-width: 760px) {
  .app {
    width: min(1040px, 100% - 40px);
    margin-top: 26px;
  }

  .card {
    padding: 22px;
  }

  .stats-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .fields-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
  }
}