:root {
  color-scheme: light;
  --bg: #f4efe8;
  --bg-accent: #ebe0d3;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-border: rgba(34, 28, 22, 0.1);
  --text: #1f1a17;
  --muted: #6b5e54;
  --primary: #134e4a;
  --primary-strong: #0f3f3c;
  --shadow: 0 24px 60px rgba(36, 24, 15, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(210, 168, 125, 0.3), transparent 30%),
    radial-gradient(circle at top right, rgba(18, 78, 74, 0.18), transparent 24%),
    linear-gradient(135deg, var(--bg) 0%, var(--bg-accent) 100%);
}

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

.hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0 24px;
}

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.78rem;
  color: var(--primary);
  font-family: Arial, Helvetica, sans-serif;
}

h1 {
  margin: 0;
  max-width: 12ch;
  font-size: clamp(2.6rem, 7vw, 5.2rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.lede {
  max-width: 60ch;
  margin: 18px 0 0;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 1.03rem;
  line-height: 1.6;
  color: var(--muted);
}

.panel {
  margin-top: 20px;
}

.grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 22px;
}

.card {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.form-card,
.preview-card,
.history-card {
  padding: 22px;
}

.form-card {
  display: grid;
  gap: 16px;
  align-content: start;
}

label {
  display: grid;
  gap: 8px;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
}

input[type='text'],
input[type='url'],
input[type='file'] {
  width: 100%;
  border: 1px solid rgba(31, 26, 23, 0.15);
  border-radius: 14px;
  padding: 14px 15px;
  font: inherit;
  background: rgba(255, 255, 255, 0.85);
}

input:focus {
  outline: 3px solid rgba(19, 78, 74, 0.18);
  border-color: rgba(19, 78, 74, 0.45);
}

button,
.download-link {
  border: 0;
  border-radius: 14px;
  padding: 14px 16px;
  font: 700 0.96rem/1 Arial, Helvetica, sans-serif;
  text-decoration: none;
  cursor: pointer;
}

.secondary-button,
.danger-button {
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 12px 14px;
  font: 700 0.92rem/1 Arial, Helvetica, sans-serif;
  cursor: pointer;
}

button {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 16px 30px rgba(19, 78, 74, 0.24);
}

.secondary-button {
  background: rgba(19, 78, 74, 0.1);
  color: var(--primary-strong);
}

.danger-button {
  background: rgba(159, 18, 57, 0.1);
  color: #9f1239;
}

.download-link {
  background: rgba(19, 78, 74, 0.1);
  color: var(--primary-strong);
}

.hint,
.status,
.muted {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--muted);
}

.hint,
.status {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.card-header h2 {
  margin: 0;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}

.preview {
  min-height: 460px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  border: 1px dashed rgba(31, 26, 23, 0.15);
  background: rgba(255, 255, 255, 0.58);
  overflow: hidden;
}

.preview svg {
  width: min(100%, 460px);
  height: auto;
  display: block;
}

.preview.empty {
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
}

.history-list {
  display: grid;
  gap: 12px;
}

.history-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(31, 26, 23, 0.08);
}

.history-item strong {
  display: block;
  margin-bottom: 6px;
  font-size: 1rem;
  font-family: Arial, Helvetica, sans-serif;
}

.history-item small {
  display: block;
  color: var(--muted);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
  word-break: break-word;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.edit-note {
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(19, 78, 74, 0.08);
}

.swatch {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(31, 26, 23, 0.08);
}

.actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: end;
}

.actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

  .hero {
    align-items: start;
    flex-direction: column;
  }

  h1 {
    max-width: none;
  }

  .preview {
    min-height: 340px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1180px);
    padding-top: 20px;
  }

  .form-card,
  .preview-card,
  .history-card {
    padding: 18px;
  }

  .history-item {
    grid-template-columns: 1fr;
  }

  .actions {
    align-items: start;
  }
}