:root {
  --cream: #EAEED0;
  --cream-soft: #F4F6E4;
  --paper: #FBFCF4;
  --ink: #2E332A;
  --ink-soft: #4A5140;
  --muted: #6B7159;
  --sage: #7B8A5A;
  --sage-deep: #5C6B3E;
  --line: #DADEC0;
  --radius: 18px;
  --maxw: 720px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--sage-deep); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 32px 22px 88px;
}

/* Header / brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 22px 0 34px;
}
.brand .mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--sage);
  display: grid; place-items: center;
  flex: 0 0 auto;
  box-shadow: 0 6px 18px rgba(92,107,62,0.25);
}
.brand .mark svg { width: 22px; height: 22px; }
.brand .name { font-size: 20px; font-weight: 700; letter-spacing: -0.01em; }
.brand .name small { display: block; font-size: 12px; font-weight: 500; color: var(--muted); letter-spacing: 0.02em; }

/* Hero page (index) */
.hero { text-align: center; padding: 28px 0 8px; }
.hero h1 { font-size: 30px; margin: 0 0 10px; letter-spacing: -0.02em; }
.hero p { color: var(--ink-soft); max-width: 46ch; margin: 0 auto; }

.cards {
  display: grid;
  gap: 14px;
  margin-top: 34px;
}
.card {
  display: block;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { text-decoration: none; transform: translateY(-2px); box-shadow: 0 12px 28px rgba(46,51,42,0.08); }
.card h3 { margin: 0 0 4px; font-size: 17px; color: var(--ink); }
.card p { margin: 0; font-size: 14px; color: var(--muted); }

/* Document pages */
.doc {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px clamp(22px, 5vw, 46px) 46px;
}
.doc h1 { font-size: 28px; margin: 0 0 6px; letter-spacing: -0.02em; }
.doc .updated { color: var(--muted); font-size: 13px; margin: 0 0 26px; }
.doc h2 { font-size: 18px; margin: 34px 0 10px; color: var(--sage-deep); }
.doc h3 { font-size: 15px; margin: 22px 0 6px; }
.doc p, .doc li { color: var(--ink-soft); font-size: 15.5px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 6px 0; }
.doc strong { color: var(--ink); }

.callout {
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-left: 4px solid var(--sage);
  border-radius: 12px;
  padding: 16px 18px;
  margin: 20px 0;
  font-size: 15px;
}
.callout.warn { border-left-color: #C08A3E; background: #FBF3E4; }

/* Deletion form */
.form {
  margin: 22px 0 6px;
  background: var(--cream-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
}
.form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; color: var(--ink); }
.form input[type="email"] {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  background: var(--paper);
  color: var(--ink);
}
.form input:focus { outline: 2px solid var(--sage); border-color: var(--sage); }
.form button {
  margin-top: 14px;
  width: 100%;
  padding: 13px 16px;
  border: 0;
  border-radius: 10px;
  background: var(--sage-deep);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s ease;
}
.form button:hover { background: var(--sage); }
.form .hint { font-size: 12.5px; color: var(--muted); margin: 10px 0 0; }
.form .ok { display: none; margin-top: 12px; color: var(--sage-deep); font-weight: 600; font-size: 14px; }

/* Footer */
.footer {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  font-size: 13.5px;
  color: var(--muted);
}
.footer a { color: var(--muted); }
.footer .sep { color: var(--line); }
.footer .copy { margin-left: auto; }

@media (prefers-color-scheme: dark) {
  :root {
    --cream: #1B1F17;
    --cream-soft: #232817;
    --paper: #222619;
    --ink: #ECEFDD;
    --ink-soft: #C8CDB4;
    --muted: #949A80;
    --sage: #9DAE72;
    --sage-deep: #B4C489;
    --line: #363C29;
  }
  .callout.warn { background: #2E2717; border-left-color: #C7973F; }
  .form button { color: #1B1F17; }
}