:root {
  --color-bg: #f7f6f3;
  --color-surface: #ffffff;
  --color-border: #e0ddd5;
  --color-text: #2b2926;
  --color-text-muted: #6b6862;
  --color-accent: #b5651d;
  --color-accent-soft: #f1e4d8;
  --color-tag-fish: #2f6f8f;
  --color-tag-bird: #4a7c4e;
  --color-tag-bug: #a85c2a;
  --color-tag-line: #7a5ca8;
  font-family: "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
}

#app {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 20px 100px;
}

.app-header { margin-bottom: 24px; }
.eyebrow {
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.04em;
}
.app-header h1 { margin: 0 0 8px; font-size: 26px; }
.lead { margin: 0; color: var(--color-text-muted); font-size: 15px; }

.progress-wrap { margin-bottom: 24px; }
.progress-bar {
  height: 8px;
  background: var(--color-border);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: var(--color-accent);
  width: 0%;
  transition: width 0.25s ease;
}
.progress-label {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--color-text-muted);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 28px;
}

.reset-row {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}
.btn-link {
  appearance: none;
  background: none;
  border: none;
  padding: 0;
  font-size: 13px;
  font-family: inherit;
  color: var(--color-text-muted);
  text-decoration: underline;
  cursor: pointer;
}
.btn-link:hover { color: var(--color-accent); }

.field { margin-bottom: 18px; }
.field:last-child { margin-bottom: 0; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
.field input[type="text"],
.field input[type="date"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: #fff;
}

.block-header { margin-bottom: 20px; }
.block-header .block-sub {
  margin: 0 0 2px;
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.03em;
}
.block-header h2 { margin: 0; font-size: 21px; }

.question { margin-bottom: 22px; }
.question:last-child { margin-bottom: 0; }
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 999px;
  margin-bottom: 6px;
  color: #fff;
}
.tag.tag-fish { background: var(--color-tag-fish); }
.tag.tag-bird { background: var(--color-tag-bird); }
.tag.tag-bug { background: var(--color-tag-bug); }
.tag.tag-line { background: var(--color-tag-line); }

.question p.q-text { margin: 0 0 8px; font-size: 15px; font-weight: 500; }
.question textarea {
  width: 100%;
  min-height: 64px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
  resize: vertical;
  background: #fff;
}

.hint-note {
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* review screen */
.review-intro { margin-bottom: 20px; }
.review-meta {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.canvas-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-areas:
    "kp ka vp cr cs"
    "kp kr vp ch cs"
    "cost cost cost rs rs";
  gap: 10px;
  margin-bottom: 24px;
}

.canvas-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px;
  font-size: 12.5px;
  display: flex;
  flex-direction: column;
  min-height: 120px;
}
.canvas-box[data-area="kp"] { grid-area: kp; }
.canvas-box[data-area="ka"] { grid-area: ka; }
.canvas-box[data-area="vp"] { grid-area: vp; background: var(--color-accent-soft); }
.canvas-box[data-area="cr"] { grid-area: cr; }
.canvas-box[data-area="cs"] { grid-area: cs; }
.canvas-box[data-area="kr"] { grid-area: kr; }
.canvas-box[data-area="ch"] { grid-area: ch; }
.canvas-box[data-area="cost"] { grid-area: cost; min-height: 90px; }
.canvas-box[data-area="rs"] { grid-area: rs; min-height: 90px; }

.canvas-box .box-title {
  font-weight: 700;
  font-size: 12.5px;
  margin: 0 0 6px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px;
}
.canvas-box .box-title a {
  font-weight: 500;
  font-size: 11px;
  color: var(--color-accent);
  text-decoration: none;
  white-space: nowrap;
}
.canvas-box .box-title a:hover { text-decoration: underline; }
.canvas-box ul { margin: 0; padding-left: 16px; flex: 1; }
.canvas-box li { margin-bottom: 3px; }
.canvas-box .empty { color: #b3ada2; font-style: italic; }

.download-row {
  display: flex;
  justify-content: center;
  margin-top: 8px;
}

.app-footer {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(to top, var(--color-bg) 60%, rgba(247,246,243,0));
  padding: 20px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.btn {
  appearance: none;
  border: none;
  border-radius: 999px;
  padding: 13px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover { background: #9c561a; }
.btn-secondary {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover { background: var(--color-surface); }

.btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
  text-decoration: none;
  text-align: center;
}
.btn-outline:hover { background: var(--color-accent-soft); }

.next-steps {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
  text-align: center;
}
.next-steps-label {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
}
.next-steps .btn {
  margin: 0 6px 10px;
}

@media (max-width: 640px) {
  .canvas-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "kp" "ka" "kr" "vp" "cr" "ch" "cs" "cost" "rs";
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1c1a17;
    --color-surface: #242220;
    --color-border: #3a3630;
    --color-text: #ece8e2;
    --color-text-muted: #a8a29a;
    --color-accent: #d98a4a;
    --color-accent-soft: #33291f;
  }
  .field input, .question textarea { background: #2a2724; color: var(--color-text); }
  .canvas-box .empty { color: #6b6862; }
}