:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --surface-2: #f0eff8;
  --text: #242231;
  --muted: #77738a;
  --line: #e6e3ef;
  --primary: #6f5bd3;
  --primary-soft: #ece8ff;
  --success: #2f9e69;
  --success-soft: #e3f6ec;
  --warning: #cf8b28;
  --warning-soft: #fff2d8;
  --danger: #c94f63;
  --danger-soft: #ffe8ec;
  --shadow: 0 14px 40px rgba(42, 34, 80, 0.1);
  --radius: 18px;
  --radius-sm: 12px;
  --sidebar: 260px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.hidden { display: none !important; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar) 1fr; }
.sidebar { position: sticky; top: 0; height: 100vh; background: var(--surface); border-right: 1px solid var(--line); padding: 24px 18px; display: flex; flex-direction: column; z-index: 20; }
.brand-row { display: flex; align-items: center; gap: 12px; padding: 0 8px 24px; }
.brand-mark { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--primary); color: white; font-weight: 800; box-shadow: 0 8px 20px rgba(111,91,211,.25); }
.brand-name { font-size: 20px; font-weight: 800; }
.brand-subtitle { color: var(--muted); font-size: 12px; }
.nav-list { display: flex; flex-direction: column; gap: 6px; }
.nav-item { border: 0; background: transparent; color: var(--muted); display: flex; align-items: center; gap: 11px; padding: 12px 14px; border-radius: 12px; text-align: left; transition: .15s ease; }
.nav-item span { width: 20px; text-align: center; font-weight: 700; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--primary-soft); color: var(--primary); font-weight: 700; }
.nav-badge { margin-left: auto; min-width: 24px; height: 24px; padding: 0 7px; border-radius: 99px; display: grid; place-items: center; background: var(--danger); color: white; font-size: 12px; }
.sidebar-footer { margin-top: auto; display: grid; gap: 14px; }
.level-card { background: linear-gradient(145deg,#f0edff,#fbfaff); border: 1px solid #ddd7ff; border-radius: 16px; padding: 14px; }
.level-head { display: flex; justify-content: space-between; gap: 10px; font-size: 13px; margin-bottom: 9px; }
.level-head strong { color: var(--primary); }
.progress { height: 8px; border-radius: 99px; background: #ddd7f4; overflow: hidden; }
.progress-fill { width: 0; height: 100%; background: var(--primary); border-radius: inherit; transition: width .3s ease; }
.level-card small { display: block; color: var(--muted); margin-top: 8px; }

.main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 15; min-height: 84px; padding: 18px 28px; background: rgba(247,247,251,.9); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(230,227,239,.8); display: flex; align-items: center; gap: 14px; }
.topbar h1 { margin: 0; font-size: 24px; }
.topbar p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.top-actions { margin-left: auto; display: flex; gap: 10px; }
.view { display: none; padding: 24px 28px 80px; }
.view.active { display: block; }

button.primary, .primary { border: 0; background: var(--primary); color: white; padding: 11px 16px; border-radius: 12px; font-weight: 700; box-shadow: 0 7px 18px rgba(111,91,211,.2); }
button.primary:hover { filter: brightness(.97); }
button.secondary, .secondary { border: 1px solid var(--line); background: var(--surface); color: var(--text); padding: 10px 14px; border-radius: 12px; font-weight: 650; }
button.ghost, .ghost { border: 0; background: transparent; color: var(--muted); padding: 10px 12px; border-radius: 10px; }
button.ghost:hover { background: var(--surface-2); color: var(--text); }
button.danger { border: 0; background: var(--danger-soft); color: var(--danger); padding: 10px 14px; border-radius: 12px; font-weight: 700; }
button.full { width: 100%; }
.icon-button { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); display: grid; place-items: center; font-size: 20px; color: var(--text); }
.icon-button:hover { background: var(--surface-2); }

.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.page-head h2 { margin: 0 0 5px; }
.page-head p { margin: 0; color: var(--muted); }
.page-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: 0 6px 18px rgba(42,34,80,.04); }
.card + .card { margin-top: 16px; }
.card-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.card-title h3 { margin: 0; font-size: 17px; }
.card-title p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }

.week-summary { display: grid; grid-template-columns: minmax(260px,1.2fr) repeat(3,minmax(145px,.6fr)); gap: 14px; margin-bottom: 18px; }
.metric-card { min-height: 116px; display: flex; flex-direction: column; justify-content: space-between; }
.metric-label { color: var(--muted); font-size: 13px; }
.metric-value { font-size: 28px; font-weight: 800; letter-spacing: -.02em; }
.metric-note { font-size: 12px; color: var(--muted); }
.metric-card.over { border-color: #f1b8c2; background: #fff9fa; }
.week-range-card { background: linear-gradient(145deg,#6f5bd3,#8370e6); color: white; border: 0; }
.week-range-card .metric-label, .week-range-card .metric-note { color: rgba(255,255,255,.75); }
.week-nav { display: flex; align-items: center; gap: 8px; margin-top: 10px; }
.week-nav button { background: rgba(255,255,255,.15); color: white; border: 1px solid rgba(255,255,255,.2); width: 32px; height: 32px; border-radius: 10px; }

.planner-wrap { overflow-x: auto; padding-bottom: 8px; }
.planner-grid { min-width: 1380px; display: grid; grid-template-columns: 245px repeat(7, minmax(150px,1fr)); gap: 10px; align-items: start; }
.day-column, .pool-column { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; min-height: 500px; padding: 12px; }
.pool-column { background: #fbfaff; border-color: #ddd7ff; }
.day-column.drag-over, .pool-column.drag-over { outline: 2px solid var(--primary); outline-offset: 2px; background: #faf9ff; }
.day-head { position: sticky; top: 86px; background: inherit; z-index: 3; padding-bottom: 10px; margin-bottom: 9px; border-bottom: 1px solid var(--line); }
.day-title-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.day-title { font-weight: 800; }
.day-date { color: var(--muted); font-size: 12px; }
.energy-select { margin-top: 8px; width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 7px 8px; background: var(--surface); }
.day-load { margin-top: 8px; display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.load-bar { margin-top: 5px; height: 6px; background: var(--surface-2); border-radius: 99px; overflow: hidden; }
.load-bar > span { display: block; height: 100%; background: var(--success); border-radius: inherit; }
.load-bar.over > span { background: var(--danger); }
.task-list { display: grid; gap: 9px; min-height: 60px; }
.drop-hint { color: #aaa5b6; font-size: 12px; text-align: center; padding: 16px 4px; border: 1px dashed var(--line); border-radius: 12px; }

.task-card { background: var(--surface); border: 1px solid var(--line); border-radius: 13px; padding: 11px; box-shadow: 0 4px 12px rgba(42,34,80,.05); transition: .15s ease; }
.task-card:hover { transform: translateY(-1px); box-shadow: 0 8px 18px rgba(42,34,80,.08); }
.task-card.overload { border-color: #f0a9b6; background: #fff8f9; }
.task-card.completed { opacity: .62; }
.task-card.completed .task-title { text-decoration: line-through; }
.task-card-top { display: flex; align-items: center; justify-content: space-between; }
.task-complexity { display: inline-flex; align-items: center; justify-content: center; min-width: 28px; height: 24px; border-radius: 8px; background: var(--surface-2); font-size: 11px; font-weight: 800; color: var(--primary); }
.task-menu-button { border: 0; background: transparent; color: var(--muted); padding: 2px 4px; }
.task-title { margin: 8px 0 7px; font-size: 14px; line-height: 1.35; }
.task-meta { display: flex; flex-wrap: wrap; gap: 5px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 4px 7px; border-radius: 99px; background: var(--surface-2); color: var(--muted); font-size: 10px; }
.chip.primary { background: var(--primary-soft); color: var(--primary); box-shadow: none; }
.chip.danger { background: var(--danger-soft); color: var(--danger); }
.chip.success { background: var(--success-soft); color: var(--success); }
.chip.warning { background: var(--warning-soft); color: var(--warning); }
.task-footer { display: flex; align-items: center; justify-content: space-between; gap: 7px; margin-top: 10px; }
.task-footer button { border: 0; border-radius: 9px; padding: 7px 8px; font-size: 11px; font-weight: 700; }
.complete-min { background: var(--success-soft); color: var(--success); }
.complete-normal { background: var(--primary-soft); color: var(--primary); }
.task-main-toggle { background: var(--warning-soft); color: var(--warning); }
.carry-indicator { color: var(--warning); font-size: 11px; font-weight: 700; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.search-input { min-width: 240px; flex: 1; }
input, select, textarea { width: 100%; border: 1px solid var(--line); background: var(--surface); color: var(--text); border-radius: 11px; padding: 10px 11px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: #a99bea; box-shadow: 0 0 0 3px rgba(111,91,211,.1); }
textarea { min-height: 90px; resize: vertical; }

.empty-state { padding: 42px 20px; text-align: center; color: var(--muted); }
.empty-state strong { display: block; color: var(--text); font-size: 18px; margin-bottom: 7px; }
.list { display: grid; gap: 10px; }
.list-item { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 14px; display: flex; align-items: flex-start; gap: 12px; }
.list-item-main { min-width: 0; flex: 1; }
.list-item h4 { margin: 0 0 4px; }
.list-item p { margin: 0; color: var(--muted); font-size: 13px; }
.list-actions { display: flex; gap: 7px; flex-wrap: wrap; }
.list-actions button { padding: 8px 10px; }

.inbox-capture { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; margin-bottom: 16px; }
.voice-active { animation: pulse 1.1s infinite; background: var(--danger-soft) !important; color: var(--danger) !important; }
@keyframes pulse { 50% { box-shadow: 0 0 0 8px rgba(201,79,99,.08); } }

.entity-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(280px,1fr)); gap: 14px; }
.entity-card { position: relative; }
.entity-card h3 { margin: 0 0 5px; }
.entity-card p { margin: 0; color: var(--muted); font-size: 13px; }
.entity-card .entity-meta { margin-top: 13px; display: flex; gap: 7px; flex-wrap: wrap; }
.entity-card .entity-actions { margin-top: 15px; display: flex; gap: 8px; }

.habit-week { display: grid; grid-template-columns: minmax(230px,1.5fr) repeat(7,42px) 90px; align-items: center; gap: 8px; overflow-x: auto; min-width: 870px; }
.habit-header { color: var(--muted); font-size: 11px; text-align: center; }
.habit-row { display: contents; }
.habit-name { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 11px; }
.habit-name strong { display: block; }
.habit-name small { color: var(--muted); }
.habit-cell { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 11px; background: var(--surface); display: grid; place-items: center; font-size: 12px; font-weight: 800; color: var(--muted); }
.habit-cell.min { background: var(--success-soft); color: var(--success); border-color: #bce6d0; }
.habit-cell.normal { background: var(--primary-soft); color: var(--primary); border-color: #d4cdfb; }
.habit-cell.missed { background: var(--danger-soft); color: var(--danger); border-color: #f3c5cd; }
.habit-stat { text-align: center; font-weight: 800; }

.skill-tree { display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 18px; }
.skill-branch { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 18px; }
.skill-node { width: 76px; height: 76px; border-radius: 50%; display: grid; place-items: center; margin: 0 auto 12px; background: var(--primary-soft); border: 3px solid #d8d0ff; color: var(--primary); font-weight: 900; font-size: 20px; }
.skill-branch h3 { text-align: center; margin: 0 0 5px; }
.skill-branch p { text-align: center; color: var(--muted); margin: 0 0 14px; font-size: 13px; }
.skill-child { margin-top: 9px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; display: flex; justify-content: space-between; gap: 8px; }

.archive-card { cursor: pointer; }
.archive-stats { margin-top: 12px; display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; }
.archive-stat { background: var(--surface-2); border-radius: 10px; padding: 9px; text-align: center; }
.archive-stat strong { display: block; }
.archive-stat small { color: var(--muted); }

.settings-grid { display: grid; grid-template-columns: minmax(280px,1fr) minmax(280px,1fr); gap: 16px; }
.setting-row { display: grid; gap: 6px; margin-bottom: 14px; }
.setting-row label { font-weight: 700; font-size: 13px; }
.setting-row small { color: var(--muted); }
.danger-zone { border-color: #f0c4cc; }

.modal-backdrop { position: fixed; inset: 0; z-index: 100; background: rgba(22,18,38,.5); display: grid; place-items: center; padding: 20px; }
.modal { width: min(760px,100%); max-height: min(88vh,900px); overflow: hidden; background: var(--surface); border-radius: 22px; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.modal-header { padding: 20px 22px 15px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; gap: 14px; }
.modal-header h2 { margin: 0; }
.modal-header p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.modal-body { padding: 20px 22px 24px; overflow-y: auto; }
.form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.form-field { display: grid; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 13px; font-weight: 700; }
.form-field small { color: var(--muted); }
.form-actions { grid-column: 1/-1; margin-top: 6px; display: flex; justify-content: flex-end; gap: 9px; }
.segmented { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.segmented label { border: 1px solid var(--line); border-radius: 10px; padding: 9px; text-align: center; cursor: pointer; font-size: 12px; }
.segmented input { display: none; }
.segmented label:has(input:checked) { background: var(--primary-soft); border-color: #cfc6ff; color: var(--primary); }
.modal-menu { display: grid; gap: 8px; }
.modal-menu button { text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: 12px; padding: 11px 12px; }
.modal-menu button:hover { background: var(--surface-2); }

.toast-container { position: fixed; right: 22px; bottom: 22px; z-index: 150; display: grid; gap: 9px; }
.toast { min-width: 260px; max-width: 380px; background: #2b2837; color: white; border-radius: 13px; padding: 12px 14px; box-shadow: var(--shadow); animation: toast-in .2s ease; }
.toast.success { background: #1f7850; }
.toast.warning { background: #9a651a; }
.toast.error { background: #9c3949; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }

.fab-wrap { display: none; position: fixed; right: 18px; bottom: 18px; z-index: 30; }
.fab { width: 56px; height: 56px; border-radius: 18px; border: 0; background: var(--primary); color: white; font-size: 28px; box-shadow: 0 12px 25px rgba(111,91,211,.35); }
.mobile-only { display: none; }

@media (max-width: 1050px) {
  :root { --sidebar: 225px; }
  .week-summary { grid-template-columns: repeat(2,minmax(180px,1fr)); }
  .settings-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; width: min(84vw,300px); transform: translateX(-105%); transition: transform .2s ease; box-shadow: var(--shadow); }
  .sidebar.open { transform: translateX(0); }
  .main { width: 100%; }
  .topbar { min-height: 70px; padding: 13px 16px; }
  .topbar h1 { font-size: 20px; }
  .view { padding: 18px 14px 88px; }
  .mobile-only { display: grid; }
  .fab-wrap { display: block; }
  .top-actions .icon-button { display: none; }
  .week-summary { grid-template-columns: 1fr 1fr; gap: 10px; }
  .week-range-card { grid-column: 1/-1; }
  .metric-card { min-height: 100px; padding: 14px; }
  .metric-value { font-size: 23px; }
  .page-head { flex-direction: column; }
  .page-actions { width: 100%; }
  .page-actions button { flex: 1; }
  .inbox-capture { grid-template-columns: 1fr auto; }
  .inbox-capture .primary { grid-column: 1/-1; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.full { grid-column: auto; }
  .form-actions { grid-column: auto; }
  .modal-backdrop { padding: 8px; align-items: end; }
  .modal { max-height: 94vh; border-radius: 20px 20px 0 0; }
  .entity-grid { grid-template-columns: 1fr; }
  .archive-stats { grid-template-columns: repeat(3,1fr); }
}

/* Authentication */
.auth-screen { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at top left,#ece8ff 0,transparent 35%), var(--bg); }
.auth-card { width: min(430px,100%); background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 28px; box-shadow: var(--shadow); }
.auth-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.auth-card h1 { margin: 0 0 8px; font-size: 28px; }
.auth-card > p { color: var(--muted); line-height: 1.5; }
.auth-form { display: grid; gap: 14px; margin-top: 22px; }
.auth-form label { display: grid; gap: 7px; font-weight: 700; font-size: 13px; }
.auth-error { margin: 12px 0 0 !important; padding: 10px 12px; border-radius: 11px; background: var(--danger-soft); color: var(--danger) !important; font-size: 13px; }
.account-card { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 4px 2px; color: var(--muted); font-size: 12px; }
.account-card span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sync-status { color: var(--muted); font-size: 12px; }