:root {
  --bg: #f4efe6;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: #fffdf8;
  --line: rgba(56, 44, 26, 0.12);
  --text: #1f1a14;
  --muted: #6b5b48;
  --accent: #1f6f5f;
  --accent-dark: #174f44;
  --danger: #a23333;
  --shadow: 0 18px 48px rgba(64, 45, 21, 0.12);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(31, 111, 95, 0.18), transparent 34%),
    radial-gradient(circle at top right, rgba(214, 149, 86, 0.2), transparent 28%),
    linear-gradient(180deg, #f8f2e8 0%, var(--bg) 100%);
}

.page {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.05;
}

.subtitle {
  max-width: 720px;
  margin: 16px 0 0;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
}

.panel,
.result-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel {
  padding: 24px;
}

.form {
  display: grid;
  gap: 18px;
}

.field {
  display: grid;
  gap: 10px;
}

.field span {
  font-weight: 700;
  font-size: 1.1rem;
}

select,
textarea,
button {
  font: inherit;
}

select,
textarea {
  width: 100%;
  border: 1px solid rgba(56, 44, 26, 0.18);
  border-radius: 16px;
  background: var(--panel-strong);
  color: var(--text);
  padding: 14px 16px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select:focus,
textarea:focus {
  border-color: rgba(31, 111, 95, 0.55);
  box-shadow: 0 0 0 4px rgba(31, 111, 95, 0.14);
}

textarea {
  resize: vertical;
  min-height: 260px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

#submit-button,
.copy-button {
  border: 0;
  border-radius: 999px;
  padding: 14px 20px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.2s ease, background 0.2s ease;
}

#submit-button {
  background: #267b69;
  color: #fff;
  min-width: 260px;
  font-size: 1.1rem;
}

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

#submit-button:disabled,
.copy-button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

.copy-button {
  background: rgba(31, 111, 95, 0.12);
  color: var(--accent-dark);
}

.loading {
  color: var(--muted);
  font-weight: 600;
}

.error {
  margin: 0;
  color: var(--danger);
  font-size: 1.2rem;
}

.results {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(520px, 1.4fr);
  gap: 20px;
  align-items: start;
}

.result-card {
  padding: 22px;
}

.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.result-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.result-box {
  margin: 0;
  min-height: 240px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.94);
  border: 1px solid rgba(56, 44, 26, 0.1);
  overflow: auto;
}

.result-json {
  white-space: pre-wrap;
  word-break: break-word;
}

.result-text {
  white-space: normal;
  line-height: 1.65;
  padding: 0;
  background: transparent;
  border: 0;
  min-height: auto;
}

.idea-card {
  color: #cfd5de;
  background: #252a31;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 16px 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.idea-card-title {
  margin: 0 0 14px;
  padding-bottom: 12px;
  font-size: 1.85rem;
  line-height: 1.2;
  color: #edf2f7;
  border-bottom: 3px solid rgba(255, 255, 255, 0.78);
}

.idea-card-section {
  padding: 18px 0 14px;
  border-bottom: 3px solid rgba(255, 255, 255, 0.78);
}

.idea-card-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.idea-card-section h4 {
  margin: 0 0 14px;
  font-size: 1.05rem;
  color: #f4f7fb;
}

.idea-card-section p,
.idea-card-line,
.idea-card-empty {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.6;
}

.idea-card-section p:last-child,
.idea-card-line:last-child,
.idea-card-empty:last-child {
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .results {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 24px, 1080px);
    padding-top: 32px;
  }

  .panel,
  .result-card {
    border-radius: 20px;
  }
}