:root {
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] {
  --bg: #0f1419;
  --bg-elevated: #1a2332;
  --bg-hover: #243044;
  --border: #2d3a4f;
  --text: #e8edf4;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --positive: #22c55e;
  --negative: #ef4444;
  --flash-success-bg: #14532d;
  --flash-error-bg: #7f1d1d;
  --flash-info-bg: #1e3a5f;
}

[data-theme="light"] {
  --bg: #f4f6fa;
  --bg-elevated: #ffffff;
  --bg-hover: #eef2f7;
  --border: #d8e0ea;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --positive: #16a34a;
  --negative: #dc2626;
  --flash-success-bg: #dcfce7;
  --flash-error-bg: #fee2e2;
  --flash-info-bg: #dbeafe;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #8b5cf6);
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.1rem;
}

.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: contain;
  display: block;
  background: var(--bg-elevated);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-pill {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  color: var(--text-muted);
  font-size: 0.875rem;
  text-decoration: none;
}

.nav-pill:hover {
  background: var(--bg-hover);
  color: var(--text);
  text-decoration: none;
}

.nav-pill.is-active {
  background: var(--bg-elevated);
  color: var(--text);
  font-weight: 600;
}

.settings-admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.settings-hub {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  max-width: 520px;
}

a.settings-hub-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  min-width: 0;
  width: 100%;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}

a.settings-hub-card:hover,
a.settings-hub-card:focus-visible {
  border-color: var(--primary);
  background: var(--bg-hover);
  color: var(--text);
  text-decoration: none;
}

.settings-hub-title {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.settings-hub-card .muted {
  display: block;
}

.settings-hub-status {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

.admin-branding-preview-wrap {
  margin: 0.5rem 0 0.85rem;
}

.admin-branding-preview {
  max-height: 64px;
  max-width: 220px;
  object-fit: contain;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 0.35rem;
}

.admin-branding-preview--favicon {
  max-height: 32px;
  max-width: 32px;
  padding: 0.2rem;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.2rem 0.5rem 0.2rem 0.2rem;
  border-radius: 999px;
  background: var(--bg-hover);
}

.user-chip-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.user-chip-name { font-size: 0.875rem; }

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  cursor: pointer;
}

.theme-toggle:hover { background: var(--bg-hover); }

[data-theme="dark"] .theme-icon-sun { display: block; }
[data-theme="dark"] .theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: block; }

.page-title h1 { margin: 0 0 0.25rem; font-size: 1.75rem; }
.muted { color: var(--text-muted); }
.small { font-size: 0.875rem; }
.mono { font-family: ui-monospace, monospace; font-size: 0.875rem; }

.card {
  display: block;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.card-narrow { max-width: 480px; margin: 0 auto; }
.auth-card { margin-top: 2rem; }
.form-card-pad { padding: 1.5rem; }

.card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.card-header-row h2 { margin: 0; font-size: 1.1rem; }

.flash {
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  margin: 0.5rem 0;
}

.flash-success { background: var(--flash-success-bg); }
.flash-error { background: var(--flash-error-bg); }
.flash-info { background: var(--flash-info-bg); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  background: var(--bg-hover);
}

.btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-outline { background: transparent; border-color: var(--border); }
.btn-sm { padding: 0.35rem 0.65rem; font-size: 0.8rem; }

.inline-form { display: inline; margin: 0; }
.actions { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-top: 1rem; }

.stack label { display: block; margin-bottom: 0.85rem; }
.stack label span,
.form-admin label span { display: block; margin-bottom: 0.35rem; font-size: 0.875rem; font-weight: 500; }

input, select, textarea {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

input[type="color"] { height: 42px; padding: 0.2rem; }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.checkbox-row input { width: auto; }

.link-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.sep {
  border: none;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

.card-section-label {
  font-weight: 600;
  margin: 0 0 0.5rem;
}

.tabs {
  display: flex;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.25rem;
}

.tab {
  padding: 0.5rem 0.9rem;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
}

.tab:hover { color: var(--text); background: var(--bg-hover); text-decoration: none; }
.tab.is-active {
  color: var(--primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom-color: var(--bg-elevated);
  margin-bottom: -1px;
}

.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1rem;
}

.chart-card h2 {
  margin-top: 0;
}

.chart-wrap {
  position: relative;
  height: 320px;
  margin-top: 0.75rem;
}

.chart-wrap--pie {
  height: 340px;
  max-width: 420px;
  margin-inline: auto;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.kpi-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.kpi-label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi-value { font-size: 1.35rem; font-weight: 700; }
.kpi-positive { color: var(--positive); }
.kpi-negative { color: var(--negative); }

.quick-links { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 1rem; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.data-table th { color: var(--text-muted); font-weight: 600; font-size: 0.8rem; }
.data-table .num { text-align: right; white-space: nowrap; }
.col-check { width: 2rem; }

.assign-amount-cell {
  white-space: normal;
  min-width: 7.5rem;
  max-width: 9.5rem;
}

.assign-amount-cell .assign-amount-input {
  display: block;
  width: 100%;
  max-width: 8rem;
  margin-left: auto;
  box-sizing: border-box;
}

.assign-amount-cell .assign-amount-max {
  display: block;
  margin-top: 0.25rem;
  line-height: 1.3;
  white-space: nowrap;
}

.amount-positive { color: var(--positive); }
.amount-negative { color: var(--negative); }

.tag-chip {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--bg-hover);
  font-size: 0.75rem;
  margin: 0.1rem 0.15rem 0.1rem 0;
  color: var(--text-muted);
}

.tag-chip-lg { font-size: 0.85rem; padding: 0.25rem 0.65rem; }

.tag-list { list-style: none; margin: 0; padding: 0; }
.tag-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.color-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 0.35rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--bg-hover);
  color: var(--text-muted);
}

.badge-ok { background: color-mix(in srgb, var(--positive) 20%, transparent); color: var(--positive); }

.category-bars { list-style: none; margin: 0; padding: 0; }
.category-bar-row {
  display: grid;
  grid-template-columns: 140px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.65rem;
}

.category-bar-label { font-size: 0.875rem; }
.category-bar-track {
  height: 10px;
  background: var(--bg-hover);
  border-radius: 999px;
  overflow: hidden;
}

.category-bar-fill { height: 100%; border-radius: 999px; min-width: 2px; }
.category-bar-fill.budget-over { background: var(--negative) !important; }
.category-bar-amount { font-size: 0.875rem; font-weight: 600; white-space: nowrap; }

.filter-row,
.inline-form-row,
.bulk-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filter-row label,
.bulk-actions select { min-width: 160px; }

.filter-row .filter-grow {
  flex: 1 1 200px;
  min-width: 200px;
}

.alloc-section {
  margin-top: 0.75rem;
}

.alloc-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.alloc-row select {
  flex: 1 1 160px;
}

.alloc-row input {
  width: 8rem;
}

.ai-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.ai-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.ai-history-header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.ai-history-section {
  margin: 1rem 0 0.4rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.ai-history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}

.ai-history-item {
  display: grid;
  gap: 0.15rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  text-decoration: none;
  color: inherit;
  background: var(--bg-hover);
}

.ai-history-item:hover {
  border-color: var(--border);
}

.ai-history-item.is-active {
  border-color: var(--primary);
  background: color-mix(in srgb, var(--primary) 12%, var(--bg-hover));
}

.ai-history-title {
  font-weight: 600;
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.ai-conversation-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.ai-conversation-header h2 {
  margin: 0 0 0.25rem;
}

.ai-conversation-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.ai-thread {
  display: grid;
  gap: 1rem;
}

.ai-message-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.ai-user-message {
  white-space: pre-wrap;
  line-height: 1.55;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
}

.ai-waiting {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--flash-info-bg);
}

.ai-waiting[hidden] {
  display: none;
}

.ai-waiting-title {
  margin: 0 0 0.25rem;
  font-weight: 600;
}

.ai-waiting-spinner {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: ai-spin 0.8s linear infinite;
}

@keyframes ai-spin {
  to { transform: rotate(360deg); }
}

.ai-response {
  line-height: 1.65;
  font-size: 0.95rem;
  padding: 1rem 1.1rem;
  background: var(--bg-hover);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.ai-response > *:first-child { margin-top: 0; }
.ai-response > *:last-child { margin-bottom: 0; }
.ai-response p { margin: 0.65rem 0; }
.ai-response ul,
.ai-response ol {
  margin: 0.65rem 0;
  padding-left: 1.35rem;
}
.ai-response li { margin: 0.25rem 0; }
.ai-response strong { font-weight: 700; color: var(--text); }
.ai-response h1,
.ai-response h2,
.ai-response h3,
.ai-response h4 {
  margin: 1rem 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}
.ai-response code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
}
.ai-response pre {
  overflow-x: auto;
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
}
.ai-response pre code {
  padding: 0;
  border: none;
  background: transparent;
}

@media (max-width: 900px) {
  .ai-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .header-nav .nav-pill { display: none; }
  .category-bar-row { grid-template-columns: 1fr; }
  .user-chip-name { display: none; }
  .ai-conversation-header {
    flex-direction: column;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.period-mode-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 0.85rem;
  display: grid;
  gap: 0.45rem;
}

.period-mode-panel {
  margin-bottom: 0.75rem;
}