:root {
  --bg: #0b0911;
  --bg-top: #171220;
  --panel: rgba(21, 18, 31, 0.92);
  --panel-soft: rgba(31, 26, 43, 0.92);
  --panel-strong: rgba(42, 34, 57, 0.95);
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(224, 191, 132, 0.42);
  --text: #f6efe6;
  --text-soft: #c2b29c;
  --text-dim: #9a8d7c;
  --accent: #ddb676;
  --accent-dark: #b88745;
  --danger: #f19a9a;
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(221, 182, 118, 0.12), transparent 28%),
    radial-gradient(circle at 20% 20%, rgba(221, 182, 118, 0.08), transparent 22%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 100%);
}

.app {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px 20px;
}

.container {
  width: min(100%, 460px);
  padding: 22px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

h1 {
  margin: 4px 0 22px;
  font-size: 2.15rem;
  text-align: center;
  font-weight: 700;
  letter-spacing: 0.02em;
}

h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--accent);
}

.mode-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 18px;
}

.mode-button,
.submit-button {
  width: 100%;
  padding: 14px 16px;
  border: 0;
  border-radius: 16px;
  font: inherit;
  cursor: pointer;
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.mode-button {
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.mode-button:hover,
.submit-button:hover {
  transform: translateY(-1px);
}

.mode-button.active {
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(221, 182, 118, 0.2), rgba(31, 26, 43, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.form,
.panel,
.subsection {
  display: grid;
  gap: 14px;
}

.panel {
  padding: 18px;
  border-radius: 22px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.subsection + .subsection {
  margin-top: 10px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.field-group {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 600;
  color: var(--text);
}

input,
select {
  width: 100%;
  padding: 14px 15px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
  font: inherit;
}

select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--accent) 50%),
    linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) calc(50% - 3px),
    calc(100% - 12px) calc(50% - 3px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 40px;
}

input::placeholder,
select:invalid {
  color: var(--text-dim);
}

input:focus,
select:focus {
  outline: 2px solid rgba(221, 182, 118, 0.16);
  border-color: var(--line-strong);
}

select option {
  background: #1a1425;
  color: #f6efe6;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-soft);
}

.check-row input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
}

.submit-button {
  margin-top: 14px;
  color: #221707;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 14px 30px rgba(184, 135, 69, 0.28);
}

.status {
  min-height: 24px;
  margin-top: 14px;
  color: var(--text-soft);
}

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

.result-card {
  margin-top: 16px;
  padding: 18px;
  border-radius: 22px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
}

.result-section + .result-section {
  margin-top: 16px;
}

.result-section h2 {
  margin-bottom: 10px;
}

.result-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr 1fr;
}

.result-box {
  padding: 14px;
  border-radius: 16px;
  background: var(--panel-strong);
  border: 1px solid var(--line);
}

.result-box strong {
  display: block;
  margin-bottom: 6px;
  color: var(--accent);
}

.result-box p {
  margin: 0;
  line-height: 1.65;
  color: var(--text-soft);
}

.score {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.hidden {
  display: none;
}

@media (max-width: 520px) {
  .app {
    padding: 16px;
  }

  .container {
    padding: 18px;
    border-radius: 24px;
  }

  .result-grid {
    grid-template-columns: 1fr;
  }
}