:root {
  --bg: #f5efe4;
  --bg-accent: #e4dccd;
  --panel: rgba(255, 251, 245, 0.88);
  --panel-strong: #fffaf2;
  --text: #20170f;
  --muted: #6f6256;
  --line: rgba(32, 23, 15, 0.12);
  --brand: #c84c2c;
  --brand-deep: #7c2617;
  --highlight: #f1b960;
  --shadow: 0 24px 70px rgba(77, 48, 23, 0.16);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(200, 76, 44, 0.16), transparent 30%),
    radial-gradient(circle at top right, rgba(241, 185, 96, 0.28), transparent 24%),
    linear-gradient(135deg, var(--bg), var(--bg-accent));
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  width: 38vmax;
  height: 38vmax;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(30px);
  opacity: 0.45;
}

body::before {
  top: -10vmax;
  left: -12vmax;
  background: rgba(255, 210, 130, 0.5);
}

body::after {
  right: -10vmax;
  bottom: -12vmax;
  background: rgba(200, 76, 44, 0.18);
}

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 48px;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 24px;
}

.hero-copy,
.hero-card,
.panel {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 34px;
  border-radius: var(--radius-xl);
}

.eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--brand-deep);
}

h1 {
  margin: 0;
  max-width: 10ch;
  font-size: clamp(2.8rem, 6vw, 5.3rem);
  line-height: 0.95;
}

.hero-text {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
}

.hero-card {
  display: grid;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius-xl);
  align-content: center;
}

.hero-stat {
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid rgba(32, 23, 15, 0.08);
}

.hero-stat span {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-stat strong {
  font-size: 1.1rem;
}

.workspace {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 24px;
}

.panel {
  padding: 24px;
  border-radius: var(--radius-xl);
}

.section-heading h2 {
  margin: 0;
  font-size: 1.3rem;
}

.section-heading p {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.field {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.field span {
  font-size: 0.92rem;
  font-weight: 700;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(32, 23, 15, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

textarea {
  resize: vertical;
  min-height: 140px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(200, 76, 44, 0.65);
  box-shadow: 0 0 0 4px rgba(200, 76, 44, 0.12);
}

.grid {
  display: grid;
  gap: 16px;
}

.two-columns {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-columns {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.toggle-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
}

.toggle input {
  width: 18px;
  height: 18px;
  margin: 0;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

button {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  cursor: pointer;
  transition: transform 0.2s ease, opacity 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-1px);
}

.primary {
  color: #fff9f2;
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  box-shadow: 0 14px 28px rgba(124, 38, 23, 0.22);
}

.secondary {
  color: var(--text);
  background: #fff8ee;
  border: 1px solid rgba(32, 23, 15, 0.08);
}

#result-output {
  min-height: 220px;
  background: rgba(255, 248, 238, 0.92);
}

.tips-card {
  margin-top: 18px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(241, 185, 96, 0.2), rgba(255, 255, 255, 0.75)),
    var(--panel-strong);
  border: 1px solid rgba(124, 38, 23, 0.08);
}

.tips-card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.tips-card ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 960px) {
  .hero,
  .workspace,
  .three-columns,
  .two-columns {
    grid-template-columns: 1fr;
  }

  .page-shell {
    width: min(100vw - 20px, 100%);
    padding-top: 18px;
  }

  .hero-copy,
  .hero-card,
  .panel {
    padding: 20px;
  }

  h1 {
    max-width: none;
  }
}