:root {
  color-scheme: light;
  --desktop: #c6c9cc;
  --sidebar: #d5d7d9;
  --surface: #e5e6e7;
  --surface-2: #f7f7f5;
  --surface-3: #d0d3d6;
  --text: #161a20;
  --muted: #56606d;
  --accent: #1d55d9;
  --accent-2: #12388f;
  --line: #6e7782;
  --light: #ffffff;
  --dark: #101318;
  --canvas: #d9dcdf;
  --dot: rgba(24, 31, 42, .08);
}

[data-theme="dark"] {
  color-scheme: dark;
  --desktop: #090e18;
  --sidebar: #30353d;
  --surface: #30353d;
  --surface-2: #171b20;
  --surface-3: #252a31;
  --text: #eef2f8;
  --muted: #c0c9d7;
  --accent: #245adb;
  --accent-2: #173c96;
  --line: #707985;
  --light: #7c8590;
  --dark: #06090e;
  --canvas: #0b111d;
  --dot: rgba(126, 151, 191, .09);
}

[data-theme="ocean"] {
  color-scheme: dark;
  --desktop: #07151c; --sidebar: #173440; --surface: #214653;
  --surface-2: #0d252e; --surface-3: #173945; --text: #e9fbff;
  --muted: #afd1d8; --accent: #00a8c6; --accent-2: #006b83;
  --line: #57909d; --light: #6ba6b1; --dark: #031014;
  --canvas: #071b24; --dot: rgba(82, 205, 225, .1);
}
[data-theme="forest"] {
  color-scheme: dark;
  --desktop: #0e1710; --sidebar: #293a2c; --surface: #35483a;
  --surface-2: #17251a; --surface-3: #2b3e30; --text: #f0f6e8;
  --muted: #bdcbb7; --accent: #4b9b58; --accent-2: #286037;
  --line: #768c72; --light: #849b80; --dark: #080d09;
  --canvas: #101c13; --dot: rgba(135, 190, 127, .1);
}
[data-theme="plum"] {
  color-scheme: dark;
  --desktop: #160d18; --sidebar: #3b2b3e; --surface: #49364c;
  --surface-2: #251927; --surface-3: #3e2d41; --text: #fff1ff;
  --muted: #d5bfd5; --accent: #a64fae; --accent-2: #703478;
  --line: #927695; --light: #a18aa3; --dark: #0c070d;
  --canvas: #1a101c; --dot: rgba(209, 142, 215, .1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --desktop: #090e18; --sidebar: #30353d; --surface: #30353d;
    --surface-2: #171b20; --surface-3: #252a31; --text: #eef2f8;
    --muted: #c0c9d7; --accent: #245adb; --accent-2: #173c96;
    --line: #707985; --light: #7c8590; --dark: #06090e;
    --canvas: #0b111d; --dot: rgba(126, 151, 191, .09);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; color: var(--text); background: var(--desktop); font: 13px Tahoma, "MS Sans Serif", Arial, sans-serif; }
.auth-screen { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background-color: var(--canvas); background-image: radial-gradient(var(--dot) .7px, transparent .7px); background-size: 4px 4px; }
.auth-screen[hidden] { display: none; }
.auth-window { width: min(430px, 100%); padding: 7px; border: 2px solid; border-color: var(--light) var(--dark) var(--dark) var(--light); background: var(--surface); box-shadow: 8px 8px 0 rgba(0,0,0,.35); }
.auth-body { padding: 24px; }
.auth-body h1 { margin: 4px 0 8px; font-size: 25px; }
.auth-body > p { color: var(--muted); }
.form-error { min-height: 18px; margin: 0; color: #dc3f3f; }
button, input, textarea, select { color: inherit; font: inherit; }
button, .import-button {
  min-height: 29px; padding: 4px 10px; border: 2px solid;
  border-color: var(--light) var(--dark) var(--dark) var(--light);
  border-radius: 0; background: var(--surface); cursor: pointer;
}
button:active, .import-button:active { border-color: var(--dark) var(--light) var(--light) var(--dark); }
button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 1px dotted currentColor; outline-offset: -4px; }
.app-shell { display: grid; grid-template-columns: 246px minmax(0, 1fr); min-height: 100vh; padding: 5px; gap: 8px; }
.sidebar { position: sticky; top: 5px; display: flex; flex-direction: column; min-height: calc(100vh - 10px); height: max-content; padding: 7px; border: 2px solid; border-color: var(--light) var(--dark) var(--dark) var(--light); background: var(--sidebar); }
.side-title, .topbar { display: flex; align-items: center; border: 2px solid; border-color: var(--light) var(--dark) var(--dark) var(--light); background: var(--surface-3); }
.side-title { height: 28px; gap: 6px; padding: 2px; color: white; background: var(--accent-2); }
.side-title strong span, .topbar strong span, .side-intro h2 span { font-size: .72em; }
.home-icon { display: grid; place-items: center; width: 18px; height: 18px; color: white; border: 1px solid white; background: #007f76; font-weight: bold; }
.icon-button { margin-left: auto; min-width: 22px; min-height: 21px; padding: 0; background: var(--surface-2); }
.side-intro { margin-top: 7px; padding: 12px 10px; border: 2px solid; border-color: var(--dark) var(--light) var(--light) var(--dark); }
.side-intro small, .panel-heading small, .hero > small { font-weight: bold; color: var(--muted); }
.side-intro h2 { margin: 4px 0; font-size: 27px; }
.side-intro p { margin: 0; color: var(--muted); line-height: 1.45; }
.side-nav { display: grid; gap: 4px; margin-top: 12px; }
.side-nav button { min-height: 29px; padding: 4px 10px; text-align: left; transition: background-color .12s, padding-left .12s; }
.side-nav button:hover { padding-left: 14px; background: var(--surface-2); }
.side-nav button.active { color: white; background: var(--accent); }
.side-status { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; flex: 0 0 auto; margin-top: auto; padding-top: 8px; color: var(--muted); }
.side-stat { display: flex; align-items: center; gap: 7px; min-width: 0; padding: 7px; border: 2px solid; border-color: var(--dark) var(--light) var(--light) var(--dark); background: var(--surface-3); }
.side-stat > span:last-child { display: block; min-width: 0; }
.side-stat b { display: block; color: var(--text); font-size: 15px; line-height: 1; }
.side-stat small { display: block; overflow: hidden; margin-top: 3px; color: var(--muted); font-size: 9px; line-height: 1.1; text-overflow: ellipsis; white-space: nowrap; }
.side-stat-icon { display: grid; place-items: center; flex: 0 0 23px; width: 23px; height: 23px; border: 1px solid var(--dark); color: white; background: var(--accent); font-weight: bold; }
.side-stat-icon.task-icon { background: #31834a; }
.workspace { min-width: 0; }
.topbar { position: sticky; top: 5px; z-index: 10; justify-content: space-between; min-height: 37px; padding: 5px 8px; }
.topbar > div { display: flex; align-items: center; gap: 12px; }
.topbar strong { padding: 4px 8px; color: white; background: var(--accent-2); }
.topbar-meta span { padding: 4px 8px; border: 2px solid; border-color: var(--dark) var(--light) var(--light) var(--dark); background: var(--surface-2); }
.topbar-meta select { width: auto; max-width: 190px; min-height: 25px; padding: 2px 6px; }
.topbar-meta button { min-height: 25px; padding-block: 2px; }
.topbar-meta .status-chip { display: inline-flex; align-items: center; gap: 6px; min-width: 76px; }
.status-chip i { display: block; width: 8px; height: 8px; border: 1px solid var(--dark); border-radius: 50%; background: #35a853; box-shadow: inset 1px 1px rgba(255,255,255,.35); }
.status-chip b { font-weight: normal; white-space: nowrap; }
.status-chip.status-warning i { background: #e6ad28; }
.status-chip.status-error i { background: #dc3f3f; }
main { min-height: calc(100vh - 52px); padding: 8px 0 28px; background-color: var(--canvas); background-image: radial-gradient(var(--dot) .7px, transparent .7px); background-size: 4px 4px; }
.panel { margin-bottom: 9px; border: 2px solid; border-color: var(--light) var(--dark) var(--dark) var(--light); background: var(--surface); box-shadow: 2px 2px 0 rgba(0,0,0,.22); }
.hero { padding: 13px 18px 15px; border-width: 2px; background: var(--surface-2); }
.hero h1 { margin: 2px 0; font-size: 23px; line-height: 1; }
.hero p { margin: 7px 0 0; color: var(--muted); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 9px; }
.stats div { min-height: 80px; padding: 10px; border: 2px solid; border-color: var(--light) var(--dark) var(--dark) var(--light); background: var(--surface); }
.stats span, .stats small { display: block; color: var(--muted); }
.stats strong { display: block; margin: 3px 0; font-size: 24px; }
.panel-heading { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin: 6px; padding: 10px 12px; border: 1px solid var(--dark); border-left: 4px solid var(--accent); background: var(--surface-2); }
.panel-heading h2 { margin: 1px 0 0; font-size: 18px; }
.panel-heading > span { color: var(--muted); font-size: 11px; }
.panel-body { padding: 7px 12px 13px; }
.content-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.span-two { grid-column: 1 / -1; }
label { display: grid; gap: 4px; color: var(--muted); font-size: 11px; font-weight: bold; }
input, textarea, select { width: 100%; min-height: 31px; padding: 6px; border: 2px solid; border-color: var(--dark) var(--light) var(--light) var(--dark); border-radius: 0; background: var(--surface-2); }
textarea { resize: vertical; line-height: 1.5; }
.member-form { display: grid; grid-template-columns: 90px 1fr 150px auto; gap: 7px; align-items: end; margin-bottom: 10px; }
.chore-form { display: grid; grid-template-columns: 1.4fr 1fr 145px 110px 75px auto; gap: 7px; align-items: end; margin-bottom: 10px; }
.member-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 7px; }
.member-card, .item, .day { border: 1px solid var(--line); background: var(--surface-2); }
.member-card { display: grid; grid-template-columns: auto 1fr auto auto; gap: 9px; align-items: center; padding: 8px; }
.avatar { display: grid; place-items: center; width: 38px; height: 38px; border: 2px solid; border-color: var(--dark) var(--light) var(--light) var(--dark); background: var(--surface); font-size: 21px; }
.member-role, .item-meta { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }
.score { color: var(--accent); }
.item-list { display: grid; gap: 5px; margin: 0; padding: 0; list-style: none; }
.item { display: grid; grid-template-columns: auto 1fr auto; gap: 9px; align-items: center; padding: 8px; }
.item input { width: 16px; min-height: 16px; accent-color: var(--accent); }
.item.done .item-name { color: var(--muted); text-decoration: line-through; }
.delete { min-width: 25px; min-height: 24px; padding: 0; color: #e04747; font-weight: bold; }
.empty { padding: 18px; color: var(--muted); border: 1px dashed var(--line); text-align: center; }
.add-row { display: grid; grid-template-columns: 1fr auto; gap: 7px; align-items: end; margin-bottom: 10px; }
.week-nav { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; }
.week-nav strong { flex: 1; text-align: center; }
.week-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.day { min-width: 0; min-height: 112px; padding: 6px; }
.day > strong { text-transform: capitalize; }
.day > span { display: block; margin: 3px 0 7px; color: var(--muted); }
.day.today { outline: 2px solid var(--accent); outline-offset: -2px; }
.day small { display: block; overflow: hidden; margin-top: 3px; padding: 3px; color: white; background: var(--accent-2); text-overflow: ellipsis; white-space: nowrap; }
.data-actions { display: flex; align-items: center; gap: 8px; }
.data-actions p { flex: 1; margin: 0; color: var(--muted); }
.import-button { display: grid; place-items: center; }
.import-button input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.platform-grid > section { padding: 10px; border: 1px solid var(--line); background: var(--surface-2); }
.platform-grid p { color: var(--muted); }
.platform-grid code { display: block; overflow-wrap: anywhere; margin-top: 8px; color: var(--text); }
.admin-list { display: grid; gap: 4px; max-height: 190px; margin-top: 8px; overflow: auto; }
.admin-list div { padding: 6px; border: 1px solid var(--line); background: var(--surface); font-size: 11px; }
.automation-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.automation-grid > section { padding: 10px; border: 1px solid var(--line); background: var(--surface-2); }
.automation-list { display: grid; gap: 6px; margin-bottom: 16px; }
.automation-card { display: flex; justify-content: space-between; gap: 10px; align-items: center; padding: 9px; border: 1px solid var(--line); background: var(--surface-2); }
.automation-card small { display: block; margin-top: 4px; color: var(--muted); }
.check-label { display: flex; grid-template-columns: none; align-items: center; gap: 7px; color: var(--text); }
.check-label input { width: 16px; min-height: 16px; }
.notice-error { border-left: 4px solid #dc3f3f !important; }
.notice-warning { border-left: 4px solid #e6ad28 !important; }
.notice-info { border-left: 4px solid #35a853 !important; }
.insight-toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.insight-toolbar fieldset { display: flex; gap: 10px; padding: 5px 9px; border: 1px solid var(--line); }
.insight-toolbar label { display: flex; align-items: center; gap: 4px; color: var(--text); }
.insight-toolbar input { width: 14px; min-height: 14px; }
.insight-dashboard { display: grid; grid-template-columns: repeat(2, 1fr); gap: 9px; }
.insight-dashboard > section { min-height: 160px; padding: 10px; border: 1px solid var(--line); background: var(--surface-2); }
.insight-dashboard > section[hidden] { display: none; }
.mini-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mini-stats div, .forecast-list div { padding: 8px; border: 1px solid var(--line); background: var(--surface); }
.mini-stats span, .forecast-list span { display: block; color: var(--muted); font-size: 11px; }
.mini-stats strong, .forecast-list strong { display: block; margin-top: 4px; font-size: 18px; }
.bar-chart { display: flex; align-items: end; gap: 4px; height: 130px; padding-top: 8px; border-bottom: 1px solid var(--line); }
.bar-chart > div { position: relative; flex: 1; min-width: 5px; background: var(--accent); }
.bar-chart span { position: absolute; bottom: -17px; left: 50%; color: var(--muted); font-size: 8px; transform: translateX(-50%) rotate(-45deg); }
.forecast-list, .suggestion-list, .category-chart { display: grid; gap: 6px; }
.category-chart > div { display: grid; grid-template-columns: 100px 1fr auto; gap: 7px; align-items: center; }
.category-chart i { display: block; height: 13px; min-width: 2px; background: var(--accent); }
.category-chart b { font-size: 11px; }
.suggestion-list article { padding: 8px; border: 1px solid var(--line); border-left: 4px solid var(--accent); background: var(--surface); }
.suggestion-list span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.compact-form { display: grid; grid-template-columns: repeat(3, 1fr) auto; gap: 7px; align-items: end; margin-bottom: 10px; }
.stack-form { display: grid; gap: 7px; margin-bottom: 10px; }
.inventory-form { display: grid; grid-template-columns: 1.4fr 80px 80px 1fr 145px auto; gap: 7px; align-items: end; margin-bottom: 10px; }
.recipe-list, .table-list, .alert-list { display: grid; gap: 5px; }
.recipe-card, .table-row, .alert-list div { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; padding: 8px; border: 1px solid var(--line); background: var(--surface-2); }
.recipe-card small { display: block; margin-top: 3px; color: var(--muted); }
.table-row { grid-template-columns: 1.2fr 1fr 1fr auto; }
.table-row.warning, .alert-list div { border-left: 5px solid #e3a21a; }
.table-row.danger { border-left: 5px solid #d63838; }
.alert-panel .panel-heading { border-left: 5px solid #e3a21a; }
.finance-summary { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; align-items: end; margin-bottom: 15px; }
.finance-summary > div:not(.budget-meter) { padding: 7px; border: 1px solid var(--line); background: var(--surface-2); }
.finance-summary span { display: block; color: var(--muted); font-size: 11px; }
.finance-summary strong { display: block; margin-top: 4px; font-size: 18px; }
.budget-meter { grid-column: 1 / -1; height: 12px; border: 2px solid; border-color: var(--dark) var(--light) var(--light) var(--dark); background: var(--surface-2); }
.budget-meter i { display: block; width: 0; height: 100%; background: var(--accent); transition: width .2s; }
.negative { color: #e04747; }
h3 { margin: 0 0 8px; }
.view-hidden, .view-suppressed { display: none !important; }
main > .panel:not(.view-hidden), main > .content-grid > .panel:not(.view-hidden) { animation: view-in .16s ease-out; }
@keyframes view-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 190px minmax(0, 1fr); }
  .side-status { grid-template-columns: 1fr; }
  .member-form, .chore-form { grid-template-columns: 1fr 1fr; }
  .compact-form, .inventory-form { grid-template-columns: 1fr 1fr; }
  .week-grid { grid-template-columns: 1fr; }
  .day { min-height: auto; }
}
@media (max-width: 650px) {
  .app-shell { display: block; padding: 0; }
  .sidebar { position: static; min-height: auto; height: auto; border-width: 0 0 2px; }
  .side-intro, .side-status { display: none; }
  .side-nav { display: flex; overflow-x: auto; margin-top: 6px; }
  .side-nav button { flex: 0 0 auto; }
  .topbar { top: 0; }
  .topbar > div > span, #clock { display: none; }
  .topbar-meta #save-status, .topbar-meta #version { display: inline-flex; }
  .topbar-meta select, #new-household { display: none; }
  main { padding: 7px; }
  .stats, .content-grid { grid-template-columns: 1fr; }
  .split-layout { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
  .automation-grid { grid-template-columns: 1fr; }
  .insight-dashboard { grid-template-columns: 1fr; }
  .span-two { grid-column: auto; }
}
@media (max-width: 440px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stats div { min-height: 70px; padding: 7px; }
  .stats strong { font-size: 20px; }
  .member-form, .chore-form, .data-actions { display: grid; grid-template-columns: 1fr; }
  .compact-form, .inventory-form, .finance-summary { grid-template-columns: 1fr; }
  .table-row { grid-template-columns: 1fr auto; }
  .table-row span { grid-column: 1; }
  .panel-heading > span { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }