:root {
  --bg: #f4f1ea;
  --bg2: #fffdf8;
  --ink: #1c2430;
  --muted: #5c6672;
  --line: #d9d2c5;
  --accent: #2f5d50;
  --accent-soft: #d7ebe3;
  --warn: #8a4b2a;
  --card: #ffffff;
  --shadow: 0 1px 2px rgba(28, 36, 48, 0.06), 0 8px 24px rgba(28, 36, 48, 0.04);
  --radius: 14px;
  --nav-h: 52px;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c; --bg2: #1a2029; --ink: #e8eef5; --muted: #9aa6b5;
    --line: #2c3542; --accent: #7dbaa6; --accent-soft: #1e3330; --warn: #e0a070;
    --card: #1c232e; --shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
body { min-height: 100dvh; line-height: 1.45; }
a { color: var(--accent); }
button, input { font: inherit; }
.app-shell { max-width: 720px; margin: 0 auto; padding: 0 14px 88px; }
.sticky-nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  margin: 0 -14px; padding: 8px 10px;
  display: flex; gap: 6px; overflow-x: auto;
}
.sticky-nav a {
  flex: 0 0 auto; text-decoration: none; color: var(--muted);
  font-size: 0.82rem; padding: 8px 10px; border-radius: 999px;
}
.sticky-nav a:hover { color: var(--ink); background: var(--accent-soft); }
.header {
  padding: 22px 0 10px; display: flex; justify-content: space-between;
  align-items: flex-start; gap: 12px;
}
.header h1 { font-size: 1.45rem; margin: 0; font-weight: 650; letter-spacing: -0.02em; }
.header p { margin: 4px 0 0; color: var(--muted); font-size: 0.92rem; }
.logout {
  color: var(--muted); text-decoration: none; font-size: 0.85rem;
  border: 1px solid var(--line); padding: 6px 10px; border-radius: 999px; background: var(--card);
}
section { margin: 22px 0; scroll-margin-top: calc(var(--nav-h) + 12px); }
section h2 { font-size: 1.05rem; margin: 0 0 10px; }
section h2 span { color: var(--muted); font-size: 0.8rem; font-weight: 500; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 12px 14px; margin: 0 0 10px;
}
.card h3 { margin: 0 0 4px; font-size: 1rem; }
.meta { color: var(--muted); font-size: 0.85rem; }
.tag {
  display: inline-block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 2px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-right: 6px;
}
.tag.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.person-row { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 6px 0; }
.phone a, .mail a { text-decoration: none; color: var(--accent); font-weight: 600; }
.muted { color: var(--muted); }
.small { font-size: 0.88rem; }
.links a {
  display: block; padding: 12px 14px; margin-bottom: 8px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  text-decoration: none; color: var(--ink); font-weight: 600;
}
.lock {
  min-height: 100dvh; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(1200px 600px at 10% -10%, color-mix(in srgb, var(--accent) 18%, transparent), transparent), var(--bg);
}
.lock-card {
  width: min(100%, 380px); background: var(--card); border: 1px solid var(--line);
  border-radius: 18px; padding: 28px 22px; box-shadow: var(--shadow);
}
.lock-card h1 { margin: 0 0 6px; font-size: 1.35rem; }
.lock-card p { margin: 0 0 18px; color: var(--muted); font-size: 0.95rem; }
.lock-card input {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg2); color: var(--ink); margin-bottom: 12px;
}
.lock-card button {
  width: 100%; padding: 12px 14px; border: 0; border-radius: 12px;
  background: var(--accent); color: #fff; font-weight: 650; cursor: pointer;
}
.lock-card .err { color: var(--warn); font-size: 0.9rem; min-height: 1.2em; margin-bottom: 8px; }
.loading { padding: 48px 16px; text-align: center; color: var(--muted); }
#app { display: none; }
#lock { display: none; }

.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;background:#fff;border-top:1px solid #ddd;padding:6px 0 calc(6px + env(safe-area-inset-bottom));z-index:50}
.tabbar a{display:flex;flex-direction:column;align-items:center;font-size:18px;text-decoration:none;color:#555}
.tabbar a span{font-size:11px}.tabbar a.active{color:#0a58ca;font-weight:600}
.app-shell{padding-bottom:80px}
@media(min-width:900px){.tabbar{position:sticky;top:0;bottom:auto;border-top:0;border-bottom:1px solid #ddd}}
.todo{border-left:5px solid #999}.todo.over{border-left-color:#c62828;background:#fff5f5}.todo.soon{border-left-color:#f59e0b;background:#fffaf0}
.over-h{color:#c62828}.soon-h{color:#b45309}
.todo ol{margin:4px 0 8px 18px;padding:0}.todo li{margin:2px 0}
.where{margin:8px 0}.go{display:inline-block;margin-top:2px;padding:6px 10px;border-radius:8px;background:#0a58ca;color:#fff!important;text-decoration:none;font-weight:600}

.dd{margin-top:8px;border-top:1px solid #eee;padding-top:6px}.dd summary{cursor:pointer;font-weight:600;font-size:14px;color:#0a58ca}
.dd.inner{margin-left:6px}.dd.inner summary{font-weight:500;color:#333}
pre.body{white-space:pre-wrap;word-break:break-word;font:12px/1.45 system-ui,sans-serif;background:#f7f7f9;padding:8px;border-radius:6px;max-height:360px;overflow:auto}
.login{margin:6px 0;padding:10px}.login .small{margin-top:2px;word-break:break-word}
.todo li a,.login a{word-break:break-all}

/* ---- mark-done checkbox ---- */
.todo-head{display:flex;gap:12px;align-items:flex-start}
.todo-title{flex:1;min-width:0}
.check-wrap{position:relative;flex:0 0 auto;width:44px;height:44px;margin:-6px 0 0 -6px;display:grid;place-items:center;cursor:pointer;-webkit-tap-highlight-color:transparent}
.check-wrap input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}
.check-box{width:30px;height:30px;border:2.5px solid #6b7280;border-radius:8px;background:#fff;display:grid;place-items:center;transition:background .12s,border-color .12s}
.check-wrap input:checked + .check-box{background:#15803d;border-color:#15803d}
.check-wrap input:checked + .check-box::after{content:"";width:8px;height:15px;border:solid #fff;border-width:0 3.5px 3.5px 0;transform:translateY(-2px) rotate(45deg)}
.check-wrap input:focus-visible + .check-box{outline:3px solid #0a58ca;outline-offset:2px}
.check-wrap:active .check-box{transform:scale(.92)}
.todo.today{border-left-color:#ea580c;background:#fff7ed}
.todo.wk2{border-left-color:#2563eb}
.wk2-h{color:#1d4ed8}.later-h{color:#4b5563}
.todo-div{border:0;border-top:2px dashed #d1d5db;margin:18px 0 14px}
.todo-summary{margin:4px 0 12px;color:#374151}.c-over{color:#c62828}.c-today{color:#c2410c}
.done-sec>summary{cursor:pointer;font-weight:700;font-size:1.05rem;padding:10px 0;color:#15803d;list-style-position:inside}
.done-sec>summary span{color:var(--muted);font-weight:500;font-size:.85rem}
.todo.is-done{opacity:.6;background:#f3f4f6!important;border-left-color:#9ca3af!important}
.todo.is-done h3{text-decoration:line-through;color:#6b7280}
.done-label{color:#15803d;font-weight:700}

.dd.involves{padding:6px 10px;border-left:3px solid #2f6fdf;background:rgba(47,111,223,.06);margin:8px 0 10px}
.dd.involves>summary{font-weight:600}
.inv-row{margin:6px 0;font-size:.92em;line-height:1.35}
.inv-row ul{margin:4px 0 0 0;padding-left:18px}
.inv-k{display:inline-block;font-weight:600;font-size:.78em;text-transform:uppercase;letter-spacing:.03em;color:#2f6fdf;margin-right:4px}