:root {
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f1f3f6;
  --border: #e3e6ec;
  --border-strong: #cbd1da;
  --text: #1b1f23;
  --text-muted: #5a6470;
  --accent: #1f6feb;
  --accent-hover: #1857b8;
  --danger: #c4324b;
  --danger-hover: #9a253a;
  --ok: #1f8a4d;
  --shadow: 0 2px 6px rgba(15, 20, 30, 0.06);
  --shadow-lifted: 0 6px 22px rgba(15, 20, 30, 0.18);
  --radius: 10px;
  --radius-sm: 6px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --surface: #1d2128;
    --surface-2: #262b34;
    --border: #2c3038;
    --border-strong: #3a4250;
    --text: #e6e9ee;
    --text-muted: #98a2b1;
    --accent: #4d9aff;
    --accent-hover: #6cb0ff;
    --danger: #ff6478;
    --danger-hover: #ff8b9a;
    --ok: #4cd17a;
    --shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
    --shadow-lifted: 0 6px 22px rgba(0, 0, 0, 0.55);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.4;
  min-height: 100vh;
}

.hidden { display: none !important; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 8px 14px;
  background: var(--surface-2);
  color: var(--text);
  transition: background 0.12s, border-color 0.12s;
}
button:hover { background: var(--border); }
button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.ghost {
  background: transparent;
  border-color: var(--border-strong);
}
button.ghost:hover { background: var(--surface-2); }
button.danger {
  background: var(--danger);
  color: #fff;
  border-color: var(--danger);
}
button.danger:hover { background: var(--danger-hover); border-color: var(--danger-hover); }

input[type="text"], input[type="password"], input[type="datetime-local"], textarea, select {
  font: inherit;
  width: 100%;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 60px; }

/* ── Login ───────────────────────────────────────────────────── */
.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}
.login-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px 28px 20px;
  width: 100%;
  max-width: 380px;
}
.login-corner {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
  font-size: 13px;
  padding: 4px 10px;
}
.login-corner:hover { color: var(--text); background: var(--surface-2); }
.login-emoji { font-size: 48px; text-align: center; }
.login-card h1 {
  text-align: center;
  margin: 0 0 16px;
  font-size: 22px;
}
.login-pane {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.login-hint {
  margin: 0 0 4px;
  color: var(--text-muted);
  font-size: 13px;
}
.login-hint code {
  background: var(--surface-2);
  padding: 1px 4px;
  border-radius: 3px;
}
.login-error {
  color: var(--danger);
  font-size: 13px;
  min-height: 1.2em;
}

/* ── Topbar ──────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-emoji { font-size: 22px; }
.brand-emoji.as-button {
  background: transparent;
  border: none;
  padding: 4px 8px;
  font-size: 22px;
}
.brand-emoji.as-button:hover { background: var(--surface-2); border-radius: 6px; }
.brand-name {
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.owner-badge {
  background: var(--surface-2);
  color: var(--text-muted);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--border);
}
.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}
.user-chip {
  font-size: 13px;
  color: var(--text-muted);
  padding: 4px 8px;
  background: var(--surface-2);
  border-radius: 999px;
}

/* ── Dashboard ───────────────────────────────────────────────── */
.dashboard-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}
.dashboard-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.dashboard-head h2 { margin: 0; font-size: 18px; }
.board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.board-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.board-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.board-card-main { min-width: 0; }
.board-card-title {
  font-weight: 600;
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.board-card-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}
.empty-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  padding: 20px 0;
}

/* ── Kanban ──────────────────────────────────────────────────── */
.kanban {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}
@media (max-width: 720px) {
  .kanban { grid-template-columns: 1fr; }
}
.kanban-col {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  min-height: 200px;
}
.kanban-col h3 {
  margin: 0 0 10px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.col-count {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text);
}
.kanban-col.closed { background: var(--surface-2); }

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.chore-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  cursor: pointer;
  transition: border-color 0.12s, box-shadow 0.12s, transform 0.08s;
}
.chore-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}
.chore-card .row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.chore-card .title {
  font-weight: 600;
  font-size: 14px;
  word-break: break-word;
}
.chore-card .meta {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.chore-card .notes {
  font-size: 13px;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}
.chore-card .badge {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 7px;
  font-size: 11px;
}
.chore-card .badge.recurring { color: var(--accent); border-color: var(--accent); }
.chore-card .badge.overdue { color: var(--danger); border-color: var(--danger); }
.chore-card.closed { opacity: 0.7; }
.chore-card.closed .title { text-decoration: line-through; }
.chore-card .actions {
  display: flex;
  gap: 6px;
  margin-left: auto;
}
.chore-card .actions button {
  padding: 4px 10px;
  font-size: 12px;
}

/* ── Modals ──────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: grid;
  place-items: center;
  z-index: 20;
  padding: 16px;
}
.modal-card {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lifted);
  padding: 18px 18px 14px;
  width: 100%;
  max-width: 420px;
  display: grid;
  gap: 10px;
}
.modal-card.wide { max-width: 540px; }
.modal-card h3 { margin: 0 0 4px; font-size: 17px; }
.modal-hint { margin: 0; color: var(--text-muted); font-size: 13px; }
.modal-card label {
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: var(--text-muted);
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}
.modal-actions button { padding: 7px 14px; }

/* ── Item editor (create/edit chore) ─────────────────────────── */
.modal-card.item-editor {
  max-width: 460px;
  padding: 0;
  gap: 0;
}
.editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
}
.editor-head h3 { margin: 0; font-size: 17px; font-weight: 600; }
.icon-close {
  background: transparent;
  border: none;
  padding: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  font-size: 22px;
  line-height: 1;
  color: var(--text-muted);
  display: grid;
  place-items: center;
}
.icon-close:hover { background: var(--surface-2); color: var(--text); }

.editor-form {
  display: grid;
  gap: 14px;
  padding: 16px 18px 0;
}

.field { display: grid; gap: 5px; }
.field > label,
.field-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.field-hint {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  margin: 0;
}
.field > input[type="text"],
.field > input[type="password"],
.field > textarea,
.field > select {
  font-size: 15px;
  padding: 9px 11px;
}
.field--narrow > input { max-width: 240px; }

/* Segmented toggle */
.segmented {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
  width: fit-content;
}
.seg-btn {
  background: transparent;
  border: none;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: background 0.12s, color 0.12s;
}
.seg-btn:hover { color: var(--text); background: transparent; }
.seg-btn.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.sched-pane { display: grid; gap: 14px; }

/* Chip group */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.chip {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.chip:hover { background: var(--surface-2); }
.chip.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* Advanced disclosure (custom cron) */
.advanced {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}
.advanced > summary {
  cursor: pointer;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-muted);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
}
.advanced > summary::-webkit-details-marker { display: none; }
.advanced > summary::before {
  content: "▸";
  font-size: 10px;
  color: var(--text-muted);
  transition: transform 0.15s;
}
.advanced[open] > summary::before { transform: rotate(90deg); }
.advanced-label { font-weight: 500; }
.advanced-cron {
  margin-left: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
  color: var(--text-muted);
}
.advanced[open] .advanced-cron { display: none; }
.advanced-body {
  padding: 4px 12px 12px;
  border-top: 1px solid var(--border);
}
.advanced-body .field > input {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 14px;
}

/* Cron preview */
.cron-preview {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: grid;
  gap: 4px;
  min-height: 1em;
}
.cron-preview.empty {
  background: transparent;
  border-style: dashed;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 8px;
}
.cron-preview.bad {
  border-color: var(--danger);
  background: rgba(196, 50, 75, 0.06);
}
.cron-preview-head {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.cron-preview-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
}
.cron-preview-row .when { color: var(--text); }
.cron-preview-row .rel { color: var(--text-muted); font-size: 12px; }
.cron-preview-msg {
  color: var(--danger);
  font-size: 13px;
}

/* Editor footer */
.form-error {
  color: var(--danger);
  font-size: 13px;
  min-height: 0;
}
.form-error:empty { display: none; }
.editor-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 18px 16px;
  margin-top: 4px;
  border-top: 1px solid var(--border);
  background: var(--surface);
  border-radius: 0 0 var(--radius) var(--radius);
}
.foot-right { display: flex; gap: 8px; }
.text-danger {
  background: transparent;
  border: none;
  color: var(--danger);
  padding: 6px 4px;
  font-size: 13px;
}
.text-danger:hover { background: transparent; color: var(--danger-hover); text-decoration: underline; }

/* ── Members modal ───────────────────────────────────────────── */
.member-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.member-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-2);
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.member-list .member-name { font-weight: 600; }
.member-list .member-role { font-size: 11px; color: var(--text-muted); margin-left: 8px; }
.member-list button { padding: 3px 8px; font-size: 12px; }
.owner-danger { margin-top: 8px; }
.owner-danger hr { border: none; border-top: 1px solid var(--border); margin: 12px 0 10px; }
.danger-hint { margin: 6px 0 0; font-size: 12px; color: var(--text-muted); }

/* ── Toasts ──────────────────────────────────────────────────── */
.toast-host {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  gap: 6px;
  z-index: 50;
  pointer-events: none;
}
.toast {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lifted);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  pointer-events: auto;
  animation: toast-in 0.18s ease-out;
}
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.ok { border-color: var(--ok); color: var(--ok); }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}