:root {
  --bg: #f6f3ec;
  --bg-2: #efeae0;
  --card: #fffdf8;
  --ink: #1f2a24;
  --ink-2: #4a564f;
  --ink-3: #7a857f;
  --line: #e2dccf;
  --line-2: #cfc7b6;
  --green: #1f6f4a;
  --green-2: #2a8a5d;
  --green-soft: #e3f0e8;
  --green-bar: #cfe6d6;
  --gold: #b8863b;
  --gold-soft: #f6ecd9;
  --red: #b4432f;
  --red-soft: #f8e4df;
  --blue-soft: #e4ecf5;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(31, 42, 36, .06), 0 6px 18px rgba(31, 42, 36, .06);
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green); }
button { font: inherit; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.muted { color: var(--ink-3); }
.small { font-size: 13px; }
.hidden { display: none !important; }

/* ---------- boot ---------- */
.boot { min-height: 100vh; display: grid; place-items: center; text-align: center; color: var(--ink-3); }
.boot-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--green); margin: 0 auto 14px; animation: pulse 1.2s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: .5; transform: scale(.94); } 50% { opacity: 1; transform: scale(1); } }

/* ---------- auth ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); padding: 28px 26px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; border-radius: 10px; background: var(--green); display: grid; place-items: center; color: #fff; flex: none; }
.brand h1 { font-size: 22px; line-height: 1.1; }
.brand .sub { color: var(--ink-3); font-size: 13px; }
.auth-tabs { display: flex; gap: 4px; background: var(--bg-2); padding: 4px; border-radius: 10px; margin: 22px 0 16px; }
.auth-tabs button { flex: 1; border: 0; background: transparent; padding: 8px; border-radius: 8px; color: var(--ink-2); }
.auth-tabs button.active { background: var(--card); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--green-2); outline-offset: 1px; border-color: transparent; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-sm); padding: 10px 16px; border: 1px solid transparent; background: var(--green); color: #fff; font-weight: 600; }
.btn:hover { background: var(--green-2); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; color: var(--ink-2); border-color: var(--line-2); font-weight: 500; }
.btn.ghost:hover { background: var(--bg-2); }
.btn.danger { background: transparent; color: var(--red); border-color: var(--line-2); }
.btn.sm { padding: 6px 10px; font-size: 13px; }
.btn.link { background: none; border: 0; color: var(--green); padding: 0; font-weight: 500; }
.msg { margin-top: 12px; padding: 10px 12px; border-radius: var(--radius-sm); font-size: 14px; }
.msg.err { background: var(--red-soft); color: var(--red); }
.msg.ok { background: var(--green-soft); color: var(--green); }
.msg.info { background: var(--blue-soft); color: var(--ink-2); }
.auth-foot { margin-top: 14px; display: flex; justify-content: space-between; font-size: 13px; color: var(--ink-3); }

/* ---------- shell ---------- */
.topbar { position: sticky; top: 0; z-index: 20; background: rgba(246, 243, 236, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.topbar-inner { max-width: 1240px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; }
.topbar .brand h1 { font-size: 18px; }
.nav { display: flex; gap: 2px; margin-left: auto; overflow-x: auto; scrollbar-width: none; }
.nav::-webkit-scrollbar { display: none; }
.nav button { border: 0; background: transparent; padding: 8px 12px; border-radius: 8px; color: var(--ink-2); white-space: nowrap; font-weight: 500; }
.nav button.active { background: var(--green-soft); color: var(--green); }
.user { display: flex; align-items: center; gap: 8px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--gold); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px; }
.user .who { line-height: 1.15; font-size: 13px; }
.user .who .role { color: var(--ink-3); font-size: 12px; }
.progress-strip { max-width: 1240px; margin: 0 auto; padding: 0 16px 10px; display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink-2); }
.bar { flex: 1; height: 8px; border-radius: 999px; background: var(--bg-2); overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--green); border-radius: 999px; transition: width .3s; }

.main { max-width: 1240px; margin: 0 auto; padding: 20px 16px 80px; }

/* ---------- checklist layout ---------- */
.checklist { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: start; }
.phase-rail { position: sticky; top: 92px; display: grid; gap: 8px; }
.phase-card { text-align: left; border: 1px solid var(--line); background: var(--card); border-radius: var(--radius); padding: 10px 12px; display: grid; gap: 6px; }
.phase-card:hover { border-color: var(--line-2); }
.phase-card.active { border-color: var(--green); box-shadow: 0 0 0 2px var(--green-soft); }
.phase-card .num { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.phase-card .title { font-family: var(--font-display); font-size: 16px; }
.phase-card .meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-3); }
.phase-card .bar { height: 5px; }

.phase-head { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 14px; }
.phase-head h2 { font-size: 26px; }
.phase-head .timing { color: var(--gold); font-weight: 600; font-size: 13px; margin: 4px 0 8px; }
.phase-head .lead { color: var(--ink-2); max-width: 70ch; }
.phase-head .stats { display: flex; gap: 14px; margin-top: 12px; font-size: 13px; color: var(--ink-2); flex-wrap: wrap; }
.phase-head .stats b { color: var(--ink); }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.toolbar input[type="search"] { flex: 1 1 220px; padding: 9px 12px; border: 1px solid var(--line-2); border-radius: var(--radius-sm); background: #fff; }
.chip-toggle { border: 1px solid var(--line-2); background: var(--card); border-radius: 999px; padding: 6px 12px; font-size: 13px; color: var(--ink-2); }
.chip-toggle.on { background: var(--green-soft); border-color: var(--green); color: var(--green); font-weight: 600; }

.category { margin-bottom: 18px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.cat-bar { background: var(--green-bar); padding: 10px 16px; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.cat-bar h3 { font-size: 16px; color: var(--ink); }
.cat-bar .count { font-size: 12px; color: var(--ink-2); }
.group-label { padding: 10px 16px 0; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }

.item { padding: 14px 16px; border-top: 1px solid var(--line); display: grid; grid-template-columns: 26px 1fr; gap: 10px; }
.item:first-child, .group-label + .item { border-top: 0; }
.item.done .todo-text { color: var(--ink-3); text-decoration: line-through; text-decoration-color: var(--line-2); }
.item.done .item-title { color: var(--ink-3); }
.item.done .option:not(.on) { opacity: .55; }
.check { width: 22px; height: 22px; margin-top: 1px; border-radius: 6px; border: 2px solid var(--line-2); background: #fff; display: grid; place-items: center; color: #fff; flex: none; }
.check.on { background: var(--green); border-color: var(--green); }
.check:disabled { opacity: .6; cursor: default; }
.item-body { min-width: 0; }
.item-title { font-weight: 650; font-size: 15px; display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.todo-text { font-size: 15px; }
.todo-text strong { font-weight: 650; }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 6px; border-radius: 5px; background: var(--bg-2); color: var(--ink-2); letter-spacing: .02em; }
.tag.R { background: var(--gold-soft); color: #8a6220; }
.tag.K { background: var(--green-soft); color: var(--green); }
.tag.L { background: var(--blue-soft); color: #2f4e6d; }
.tag.money { background: #eef1e6; color: #55612e; }
.tag.S { background: #efe6f5; color: #5c3f73; }
.kind-pill { font-size: 11px; font-weight: 600; color: var(--gold); text-transform: uppercase; letter-spacing: .08em; }

.options { display: grid; gap: 6px; margin-top: 10px; }
.option { text-align: left; border: 1px solid var(--line); background: #fff; border-radius: var(--radius-sm); padding: 9px 12px; display: grid; grid-template-columns: 18px 1fr; gap: 10px; color: var(--ink); }
.option:hover { border-color: var(--line-2); background: #fffefb; }
.option .radio { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line-2); margin-top: 3px; }
.option.on { border-color: var(--green); background: var(--green-soft); }
.option.on .radio { border-color: var(--green); background: radial-gradient(circle, var(--green) 45%, transparent 50%); }
.option .label { font-weight: 650; }
.option .text { color: var(--ink-2); font-size: 14px; }
.option:disabled { cursor: default; }

.item-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; font-size: 12px; color: var(--ink-3); align-items: center; }
.item-meta .pill { background: var(--bg-2); padding: 2px 8px; border-radius: 999px; color: var(--ink-2); }
.item-meta .pill.overdue { background: var(--red-soft); color: var(--red); }
.item-meta .pill.choice { background: var(--green-soft); color: var(--green); }
.item-actions { display: flex; gap: 10px; margin-top: 8px; }
.item-actions button { background: none; border: 0; color: var(--ink-3); font-size: 13px; padding: 0; }
.item-actions button:hover { color: var(--green); }

.details { margin-top: 10px; display: grid; grid-template-columns: 1fr; gap: 10px; background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px; }
.details .row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.details textarea { width: 100%; min-height: 64px; resize: vertical; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 6px; background: #fff; }
.details select, .details input { width: 100%; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 6px; background: #fff; }
.details .lbl { font-size: 12px; color: var(--ink-3); margin-bottom: 4px; display: block; }
.details .foot { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 12px; color: var(--ink-3); flex-wrap: wrap; }

.add-item { padding: 12px 16px; border-top: 1px solid var(--line); }
.add-form { display: grid; gap: 10px; background: var(--bg); border: 1px dashed var(--line-2); border-radius: var(--radius-sm); padding: 12px; }
.add-form .row { display: grid; grid-template-columns: 140px 1fr; gap: 10px; }
.add-form input, .add-form select, .add-form textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--line-2); border-radius: 6px; background: #fff; }
.add-form textarea { min-height: 90px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.add-form .hint { font-size: 12px; color: var(--ink-3); }
.add-form .actions { display: flex; gap: 8px; justify-content: flex-end; }

.empty { padding: 30px; text-align: center; color: var(--ink-3); }

/* ---------- tables (vendors, budget, reference) ---------- */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 16px; }
.panel h2 { font-size: 22px; margin-bottom: 6px; }
.panel .intro { color: var(--ink-2); margin: 0 0 12px; max-width: 80ch; }
.panel-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
thead th { text-align: left; background: var(--green-bar); padding: 9px 10px; font-weight: 650; white-space: nowrap; position: sticky; top: 0; }
tbody td { padding: 6px 8px; border-top: 1px solid var(--line); vertical-align: top; }
tbody tr:hover td { background: #fffdf5; }
tfoot td { padding: 9px 10px; border-top: 2px solid var(--line-2); font-weight: 650; background: var(--bg); }
td.num, th.num { text-align: right; }
.cell-input { width: 100%; min-width: 90px; border: 1px solid transparent; background: transparent; padding: 6px 6px; border-radius: 6px; }
.cell-input:hover { border-color: var(--line); background: #fff; }
.cell-input:focus { outline: 2px solid var(--green-2); background: #fff; border-color: transparent; }
.cell-input.num { text-align: right; min-width: 90px; }
.cell-input.date { min-width: 130px; }
.cell-input.wide { min-width: 160px; }
.cell-input:disabled { opacity: 1; color: var(--ink); }
.row-del { background: none; border: 0; color: var(--ink-3); font-size: 16px; line-height: 1; padding: 6px; }
.row-del:hover { color: var(--red); }
.ref-table td { padding: 8px 10px; }
.status-open { color: var(--green); font-weight: 650; }
.status-closed { color: var(--red); font-weight: 650; }
.status-mostly { color: var(--gold); font-weight: 650; }

.summary-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; margin-bottom: 14px; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; }
.stat .k { font-size: 12px; color: var(--ink-3); }
.stat .v { font-family: var(--font-display); font-size: 22px; }

.due-list { display: grid; gap: 6px; }
.due-list .due { display: flex; justify-content: space-between; gap: 10px; padding: 8px 10px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; font-size: 14px; }
.due-list .due.overdue { border-color: #e7b9b0; background: var(--red-soft); }

/* ---------- people ---------- */
.member-list { display: grid; gap: 8px; }
.member { display: grid; grid-template-columns: 36px 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; }
.member .name { font-weight: 650; }
.member .email { font-size: 13px; color: var(--ink-3); }
.member select { padding: 6px 8px; border: 1px solid var(--line-2); border-radius: 6px; background: #fff; }
.member-controls { display: flex; gap: 8px; align-items: center; }
.invite { display: grid; grid-template-columns: 1.3fr 1fr 120px 1fr auto; gap: 8px; align-items: end; }
.invite .field { margin: 0; }
.role-badge { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 999px; background: var(--bg-2); color: var(--ink-2); }
.role-badge.owner { background: var(--gold-soft); color: #8a6220; }
.role-badge.editor { background: var(--green-soft); color: var(--green); }

/* ---------- activity ---------- */
.feed { display: grid; gap: 6px; }
.event { display: grid; grid-template-columns: 32px 1fr auto; gap: 10px; align-items: start; padding: 10px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; font-size: 14px; }
.event .when { font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.event .detail { color: var(--ink-2); font-size: 13px; }

/* ---------- toasts ---------- */
.toasts { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 10px; font-size: 14px; box-shadow: var(--shadow); animation: rise .2s ease-out; }
.toast.err { background: var(--red); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .checklist { grid-template-columns: 1fr; }
  .phase-rail { position: static; display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
  .phase-card { flex: 0 0 170px; }
  .topbar-inner { flex-wrap: wrap; gap: 8px; }
  .nav { order: 3; width: 100%; margin-left: 0; }
  .user .who { display: none; }
  .details .row { grid-template-columns: 1fr; }
  .add-form .row { grid-template-columns: 1fr; }
  .invite { grid-template-columns: 1fr; }
  .phase-head h2 { font-size: 22px; }
}