:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel2: #1e2740;
  --border: #2a3550;
  --text: #e6ebf5;
  --muted: #8b96b3;
  --accent: #4f8cff;
  --accent2: #3fd0a3;
  --danger: #ff5c72;
  --warn: #ffb454;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { min-height: 100%; }
body { background: var(--bg); color: var(--text); min-height: 100vh; }
button, input, select, textarea { font-family: inherit; }
button { color: inherit; }
a { color: var(--accent); text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

#loginScreen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: radial-gradient(circle at 10% 10%, #17243c, var(--bg) 50%);
}
#loginScreen.is-hidden, #app.is-hidden { display: none; }

.login-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 36px;
  width: 100%;
  max-width: 420px;
}
.login-box h1 { font-size: 22px; margin-bottom: 6px; }
.login-box p.sub { color: var(--muted); font-size: 13px; margin-bottom: 24px; }

.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.field textarea { min-height: 88px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 140, 255, .18);
}
input[type="month"], input[type="number"] { color-scheme: dark; }

.btn-primary {
  width: 100%;
  padding: 11px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  margin-top: 6px;
}
.btn-primary:hover { background: #3d78e6; }
.btn-primary:disabled, .btn-sm:disabled { opacity: .55; cursor: not-allowed; }

.form-error { color: var(--danger); font-size: 13px; min-height: 18px; margin: 4px 0 8px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 14px; line-height: 1.45; }

#app { display: flex; height: 100vh; overflow: hidden; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; flex: 1; min-width: 0; }
.brand .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent2); flex: 0 0 auto; }
.topbar-actions { display: flex; align-items: center; gap: 8px; }
.login-tools { display: flex; justify-content: flex-end; margin: -8px 0 12px; }
.lang-switch {
  display: inline-flex;
  height: 34px;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}
.lang-switch button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0 9px;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .04em;
  cursor: pointer;
}
.lang-switch button + button { border-left: 1px solid var(--border); }
.lang-switch button.active { background: var(--accent); color: #fff; }
.lang-switch button:hover:not(.active) { color: var(--text); }

.nav-toggle, .icon-btn, .logout-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--muted);
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}
.nav-toggle { display: none; background: var(--panel2); color: var(--text); }
.icon-btn:hover, .nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.logout-btn:hover { border-color: var(--danger); color: var(--danger); }
.icon-btn.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.icon-btn.spinning { animation: refresh-spin .7s linear infinite; }
@keyframes refresh-spin { to { transform: rotate(360deg); } }

.role-pill {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  background: var(--panel2);
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}
.role-pill.admin { color: var(--warn); border-color: var(--warn); }
.role-pill.administrator { color: var(--accent); border-color: var(--accent); }
.role-pill.user { color: var(--accent2); border-color: var(--accent2); }

.layout { display: flex; flex: 1; min-height: 0; }
.sidebar {
  width: 210px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 18px 12px;
  flex-shrink: 0;
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  margin-bottom: 4px;
  text-align: left;
}
.nav-item:hover { background: var(--panel2); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; font-weight: 600; }
.nav-section-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 16px 12px 6px;
}
.main { flex: 1; min-height: 0; padding: 26px 30px; overflow-y: auto; }
.page { display: none; }
.page.active { display: block; }
.page-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.page-desc { color: var(--muted); font-size: 13px; margin-bottom: 0; }
.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.btn-sm {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel2);
  color: var(--text);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-sm.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-sm.primary:hover { background: #3d78e6; }
.btn-sm:hover { border-color: var(--accent); }
.btn-sm.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-sm.danger:hover { background: #e04a60; border-color: #e04a60; color: #fff; }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.property-bar {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.property-bar .field { margin: 0; min-width: min(100%, 280px); }
.property-bar select { background: var(--bg); min-width: 240px; font-weight: 650; }
.banner {
  padding: 12px 16px;
  border-radius: 8px;
  margin: 12px 0;
  font-size: 13px;
  border: 1px solid var(--warn);
  background: rgba(255, 180, 84, .08);
  color: var(--warn);
}
.empty-state {
  padding: 28px 16px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.expense-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.asset-tabs {
  display: flex;
  gap: 6px;
  margin: 12px 0 18px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 10px;
  overflow-x: auto;
}
.asset-tab {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  flex: 0 0 auto;
}
.asset-tab:hover { color: var(--text); background: var(--border); }
.asset-tab.active { color: var(--accent); background: rgba(99, 102, 241, .1); }
.expense-panel { display: none; }
.expense-panel.active { display: block; }

.expense-year-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 0 0 14px;
}
.expense-year-controls strong { min-width: 56px; text-align: center; font-size: 17px; }
.expense-grid-scroll {
  max-height: min(68vh, 720px);
  overflow: auto;
  border: 1px solid rgba(148, 163, 184, .25);
  border-radius: 12px;
  background: #0f172a;
}
.expense-grid {
  width: 100%;
  min-width: 1120px;
  margin: 0;
  border: 0;
  border-collapse: separate;
  border-spacing: 0;
  background: transparent;
  font-variant-numeric: tabular-nums;
}
.expense-grid th, .expense-grid td {
  padding: 8px 10px;
  white-space: nowrap;
  border-bottom: 1px solid rgba(148, 163, 184, .14);
}
.expense-grid thead tr:first-child th {
  position: sticky;
  top: 0;
  z-index: 5;
  background: #111827;
  color: #e5e7eb;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  border-bottom: 2px solid rgba(59, 130, 246, .5);
}
.expense-grid thead tr:nth-child(2) th {
  position: sticky;
  top: 33px;
  z-index: 4;
  text-align: center;
  background: #0b1220;
  color: #cbd5e1;
  font-size: 11px;
  letter-spacing: .04em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(148, 163, 184, .25);
}
.expense-grid th:first-child, .expense-grid td:first-child {
  position: sticky;
  left: 0;
  min-width: 220px;
  max-width: 280px;
  background: #111827;
  color: #e5e7eb;
  font-weight: 600;
  box-shadow: 8px 0 12px -10px rgba(0, 0, 0, .8);
}
.expense-grid tbody th:first-child { font-size: 13px; letter-spacing: normal; text-transform: none; z-index: 2; }
.expense-grid thead tr:first-child th:first-child { z-index: 7; }
.expense-grid thead tr:nth-child(2) th:first-child { z-index: 6; }
.expense-grid td:not(:first-child) { text-align: right; }
.expense-total-row th, .expense-total-row td { background: rgba(59, 130, 246, .12); color: #dbeafe; font-weight: 700; }
.expense-total-row th { z-index: 3; }
.expense-grid tbody tr:hover td { background: rgba(59, 130, 246, .10); }
.expense-row-label { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.expense-row-actions { display: inline-flex; gap: 3px; flex: 0 0 auto; }
.expense-row-action {
  width: 25px; height: 25px; padding: 0;
  border: 1px solid var(--border); border-radius: 6px;
  background: transparent; color: var(--muted); cursor: pointer; line-height: 1;
}
.expense-row-action:hover { color: var(--text); background: var(--border); }
.expense-row-action.danger:hover { color: #ff5c72; border-color: #ff5c72; }
.expense-category-row th { font-weight: 700; }
.expense-subcategory-row th { padding-left: 24px; color: var(--muted); font-weight: 500; }
.expense-grid input[type="number"] {
  width: 86px; min-width: 78px; padding: 5px 7px;
  border: 1px solid rgba(148, 163, 184, .28); border-radius: 7px;
  background: rgba(15, 23, 42, .85); color: #f8fafc; text-align: right;
  font-variant-numeric: tabular-nums;
  -moz-appearance: textfield; appearance: textfield;
}
.expense-grid input[type="number"]::-webkit-outer-spin-button,
.expense-grid input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.expense-grid input[type="number"]:focus { outline: none; border-color: #3b82f6; box-shadow: 0 0 0 3px rgba(59, 130, 246, .22); }
.expense-cell::placeholder { color: var(--muted); opacity: .6; }
body.blur-mode .blur-num,
body.blur-mode .expense-cell,
body.blur-mode .expense-total-row td { filter: blur(5px); user-select: none; }

.expense-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; }
.expense-chart-card { padding: 16px; min-width: 0; }
.expense-chart-card h3 { margin: 0 0 12px; font-size: 15px; }
.expense-chart-note { margin: -5px 0 10px; color: var(--muted); font-size: 12px; line-height: 1.4; }
.expense-chart-wrap { position: relative; height: 350px; }

.expense-stats-heading {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 18px;
  margin: 4px 0 18px; padding: 20px 22px;
  border: 1px solid rgba(99, 102, 241, .28); border-radius: 16px;
  background: linear-gradient(120deg, rgba(99, 102, 241, .15), rgba(63, 208, 163, .08) 58%, rgba(255, 180, 84, .08));
}
.expense-stats-kicker { color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.expense-stats-heading h2 { margin: 5px 0 4px; font-size: 22px; }
.expense-stats-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.expense-stats-heading label { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 13px; font-weight: 600; }
.expense-stats-heading select { min-width: 100px; font-weight: 700; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.expense-wrap-summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 24px; }
.expense-wrap-summary article {
  display: flex; min-height: 116px; flex-direction: column; justify-content: space-between; gap: 8px;
  padding: 16px; border: 1px solid var(--border); border-radius: 14px; background: var(--panel);
}
.expense-wrap-summary article > span { color: var(--muted); font-size: 12px; font-weight: 700; }
.expense-wrap-summary article > strong { font-size: clamp(19px, 2vw, 26px); line-height: 1.15; overflow-wrap: anywhere; }
.expense-wrap-summary article > small { color: var(--muted); font-size: 11px; }
.expense-wrap-summary .expense-wrap-total { border-color: rgba(99, 102, 241, .4); background: linear-gradient(145deg, rgba(99, 102, 241, .2), var(--panel)); }
.expense-wrap-total strong { color: var(--accent); }
.expense-wrap-summary article > strong small { color: var(--muted); font-size: 15px; font-weight: 650; }
.expense-year-delta { display: block; margin-top: 2px; font-weight: 650; }
.expense-year-delta.up { color: var(--warn); }
.expense-year-delta.down { color: var(--accent2); }
.expense-year-delta.flat { color: var(--muted); }
.expense-stats-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; margin: 8px 0 12px; }
.expense-stats-section-head h3 { margin: 3px 0 0; font-size: 18px; }
.expense-top-pick {
  padding: 8px 12px; border: 1px solid rgba(255, 180, 84, .28); border-radius: 999px;
  color: var(--muted); background: rgba(255, 180, 84, .08); font-size: 12px;
}
.expense-top-pick strong { margin-left: 4px; color: var(--text); }
.expense-stats-categories { display: grid; gap: 10px; }
.expense-stat-category { overflow: hidden; border: 1px solid var(--border); border-radius: 14px; background: var(--panel); }
.expense-stat-category-head {
  display: grid; grid-template-columns: 40px minmax(0, 1fr) minmax(150px, 220px);
  align-items: center; gap: 12px; padding: 15px 16px 12px;
}
.expense-stat-rank {
  display: grid; width: 34px; height: 34px; place-items: center; border-radius: 11px;
  background: rgba(99, 102, 241, .12); font-size: 16px; font-weight: 800;
}
.expense-stat-title { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.expense-stat-title strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.expense-stat-title span { font-weight: 750; font-variant-numeric: tabular-nums; }
.expense-stat-bar, .expense-stat-sub-bar { overflow: hidden; height: 7px; border-radius: 999px; background: rgba(148, 163, 184, .12); }
.expense-stat-bar span, .expense-stat-sub-bar span { display: block; height: 100%; min-width: 3px; border-radius: inherit; }
.expense-stat-average { display: flex; flex-direction: column; gap: 4px; padding-left: 12px; border-left: 1px solid var(--border); }
.expense-stat-average span, .expense-stat-sub-average { color: var(--muted); font-size: 11px; }
.expense-stat-average strong { font-size: 14px; font-variant-numeric: tabular-nums; }
.expense-stat-subcategories { display: grid; gap: 8px; padding: 11px 16px 14px 68px; border-top: 1px solid rgba(148, 163, 184, .1); }
.expense-stat-subcategory {
  display: grid;
  grid-template-columns: minmax(130px, 1.2fr) minmax(70px, 1fr) minmax(110px, .8fr) minmax(170px, 1.3fr);
  align-items: center; gap: 12px; font-size: 12px;
}
.expense-stat-sub-name { overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.expense-stat-subcategory > strong { text-align: right; font-variant-numeric: tabular-nums; }
.expense-stat-sub-average { text-align: right; }
.expense-stats-footnote, .expense-stats-empty {
  margin: 14px 0 0; padding: 13px 15px; border: 1px dashed var(--border); border-radius: 12px;
  color: var(--muted); font-size: 12px; line-height: 1.5;
}
.expense-stats-empty { padding: 40px 20px; text-align: center; font-size: 14px; }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table th { color: var(--muted); font-size: 11px; letter-spacing: .04em; text-transform: uppercase; background: var(--panel); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: rgba(79, 140, 255, .05); }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; }

.check-list { display: flex; flex-direction: column; gap: 8px; max-height: 200px; overflow: auto; padding: 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); }
.check-list label { display: flex; gap: 8px; align-items: center; font-size: 13px; color: var(--text); margin: 0; }

body.modal-open { overflow: hidden; }
.modal-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0, 0, 0, .6);
  align-items: center; justify-content: center; z-index: 100; padding: 16px;
}
.modal-overlay.show { display: flex; }
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 26px; width: 100%; max-width: 440px; max-height: calc(100vh - 48px); overflow-y: auto;
}
.modal.wide { max-width: 520px; }
.modal h3 { margin-bottom: 16px; font-size: 16px; }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal-head h3 { margin-bottom: 16px; }
.modal-close { background: none; border: none; color: var(--muted); font-size: 16px; cursor: pointer; padding: 4px 6px; border-radius: 6px; }
.modal-close:hover { color: var(--text); background: var(--border); }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .btn-sm { flex: 1; }
.expense-current-amount {
  margin: 2px 0 14px; padding: 11px 12px; border: 1px solid var(--border); border-radius: 9px;
  color: var(--muted); font-size: 13px; line-height: 1.5; background: rgba(255, 255, 255, .025);
}
.help-modal { max-width: 560px; }
.help-modal h4 { margin: 14px 0 6px; font-size: 14px; }
.help-modal p, .help-modal li { color: var(--muted); font-size: 13px; line-height: 1.5; }
.help-modal ul { margin: 0 0 8px 18px; }
.help-modal li { margin: 4px 0; }

.toast {
  position: fixed; bottom: 24px; right: 24px; background: var(--panel2);
  border: 1px solid var(--accent2); color: var(--text); padding: 12px 18px; border-radius: 8px;
  font-size: 13px; display: none; box-shadow: 0 8px 24px rgba(0, 0, 0, .3); z-index: 9999; max-width: min(360px, calc(100vw - 32px));
}
.toast.show { display: block; }
.toast.err { border-color: var(--danger); }

@media (max-width: 1200px) {
  .expense-wrap-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .expense-chart-grid { grid-template-columns: 1fr; }
  .main { padding: 20px; }
}
@media (max-width: 760px) {
  .layout { flex-direction: column; position: relative; }
  .topbar { flex-wrap: wrap; gap: 8px; padding: 12px 16px; }
  .nav-toggle { display: inline-flex; }
  .sidebar {
    position: absolute; top: 0; left: 0; width: 100%; max-height: calc(100vh - 60px);
    overflow-y: auto; border-right: none; border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .35); z-index: 50; display: none; padding: 8px;
  }
  .sidebar.open { display: block; }
  .expense-chart-wrap { height: 300px; }
  .expense-actions { width: 100%; justify-content: flex-start; }
  .expense-actions button { flex: 1 1 auto; }
  .expense-stats-heading { align-items: stretch; flex-direction: column; padding: 17px; }
  .expense-stat-category-head { grid-template-columns: 36px minmax(0, 1fr); }
  .expense-stat-average { grid-column: 2; flex-direction: row; align-items: center; justify-content: space-between; padding: 0; border: 0; }
  .expense-stat-subcategories { padding: 10px 13px 13px; }
  .expense-stat-subcategory { grid-template-columns: minmax(0, 1fr) auto; }
  .expense-stat-sub-bar, .expense-stat-sub-average { grid-column: 1 / -1; text-align: left; }
  .role-pill { display: none; }
}
@media (max-width: 440px) {
  .login-box { padding: 24px 18px; }
  .main { padding: 16px; }
  .expense-wrap-summary { grid-template-columns: 1fr; }
  .topbar-actions .icon-btn.help-btn { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .icon-btn.spinning { animation: none; }
  .toast.show { animation: none; }
}