:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #fbfbfc;
  --text: #101418;
  --muted: #5b6570;
  --border: rgba(16, 20, 24, 0.12);
  --primary: #2563eb;
  --danger: #b42318;

  --radius: 12px;
  --radius-md: 10px;
  --shadow: 0 10px 30px rgba(16, 20, 24, 0.08);
  --shadow-md: 0 4px 12px rgba(16, 20, 24, 0.15);
  --color-border: var(--border);
  --color-surface: var(--surface);
  --color-surface-hover: var(--surface-2);
  --color-text-muted: var(--muted);

  --font-sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";

  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-6: 28px;
}

:root.theme-dark {
  --bg: #0b0f14;
  --surface: #111827;
  --surface-2: #0f172a;
  --text: #e5e7eb;
  --muted: #9aa4b2;
  --border: rgba(229, 231, 235, 0.12);
  --primary: #60a5fa;
  --danger: #f97066;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --color-border: var(--border);
  --color-surface: var(--surface);
  --color-surface-hover: var(--surface-2);
  --color-text-muted: var(--muted);
}

:root[data-density="compact"] {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
}

:root[data-density="normal"] {
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-6: 28px;
}

:root[data-density="comfy"] {
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 22px;
  --space-6: 34px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.muted {
  color: var(--muted);
}

.link {
  color: var(--primary);
}

.link-button {
  border: none;
  background: transparent;
  padding: 0;
  font: inherit;
  cursor: pointer;
}

.logout-form {
  display: inline;
  margin: 0;
}

.only-mobile {
  display: none;
}

.only-desktop {
  display: initial;
}

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: var(--space-4);
}

.sidebar-header {
  margin-bottom: var(--space-4);
}

.sidebar-brand {
  font-weight: 700;
  letter-spacing: -0.01em;
}

.sidebar-nav {
  display: grid;
  gap: var(--space-2);
}

.sidebar-link {
  padding: var(--space-2) var(--space-3);
  border-radius: 10px;
  background: transparent;
}

.sidebar-link:hover {
  background: var(--surface-2);
}

.app-main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
}

.topbar-title {
  font-weight: 650;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.topbar-desktop-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.topbar-mobile-button {
  padding-left: var(--space-3);
  padding-right: var(--space-3);
}

.icon-gear {
  width: 18px;
  height: 18px;
  fill: currentColor;
  display: block;
}

.mobile-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(16, 20, 24, 0.45);
  z-index: 40;
}

.mobile-settings-drawer {
  display: none;
}

.ui-controls {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

.user-chip {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-left: var(--space-3);
}

.app-content {
  padding: var(--space-4);
}

.split {
  display: grid;
  gap: var(--space-4);
  align-items: start;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-4);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.panel-title {
  font-weight: 650;
}

.filters {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.filters-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.filters-row--2col {
  grid-template-columns: 1fr 1fr;
}

.filters-details > summary {
  padding: var(--space-2) var(--space-3);
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.filters-details > summary::-webkit-details-marker {
  display: none;
}

.filters-details > summary::after {
  content: "▾";
  color: var(--muted);
}

.filters-details[open] > summary::after {
  content: "▴";
}

.filters-details > summary + * {
  margin-top: var(--space-2);
}

.list {
  min-height: 120px;
}

.cards {
  display: grid;
  gap: var(--space-2);
}

.card {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-2);
}

.card-selectable {
  position: relative;
  padding: var(--space-3);
}

.card-checkbox {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
}

.card-link {
  display: grid;
  gap: var(--space-1);
  padding-right: 44px;
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.4);
}

.card-draft {
  border-width: 2px;
  border-color: var(--primary);
}

.card-title {
  font-weight: 650;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 0.85rem;
}

.badge-ok {
  border-color: rgba(0, 166, 81, 0.25);
}

.badge-muted {
  opacity: 0.75;
}

.list-summary {
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.list-summary .summary-title {
  font-weight: 650;
  font-size: 1.1rem;
}

.list-summary .summary-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.placeholder {
  padding: var(--space-4);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: transparent;
}

.detail-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.detail-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.detail-back {
  display: none;
}

.detail-title {
  font-weight: 700;
  font-size: 1.05rem;
}

.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-4) 0;
}

.section {
  display: grid;
  gap: var(--space-2);
}

.section-title {
  font-weight: 650;
}

.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: var(--space-2) var(--space-3);
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
}

.btn-icon {
  width: 44px;
  padding-left: var(--space-2);
  padding-right: var(--space-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon {
  width: 18px;
  height: 18px;
  fill: currentColor;
  display: block;
}

.bulk-actions {
  display: grid;
  gap: var(--space-2);
}

.bulk-actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

.bulk-actions-row--main input[type="number"] {
  flex: 1 1 180px;
}

.btn:hover {
  background: var(--surface-2);
}

.btn-primary {
  background: var(--primary);
  border-color: transparent;
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(0.98);
}

.btn-ghost {
  background: transparent;
}

.select,
input[type="text"],
input[type="password"],
input[type="number"],
textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.auth {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: var(--space-6);
}

.auth-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-6);
  box-shadow: var(--shadow);
}

.auth-title {
  margin: 0 0 var(--space-2) 0;
}

.form {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-1);
}

.label {
  font-size: 0.9rem;
  color: var(--muted);
}

.alert {
  padding: var(--space-2) var(--space-3);
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.alert-danger {
  border-color: rgba(180, 35, 24, 0.4);
  color: var(--danger);
}

.messages {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.error {
  color: var(--danger);
  font-size: 0.9rem;
}

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

  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: min(360px, 88vw);
    z-index: 50;
    transform: translateX(-110%);
    transition: transform 160ms ease;
    border-right: 1px solid var(--border);
    border-bottom: none;
    box-shadow: var(--shadow);
    overflow: auto;
  }

  .mobile-modules-open .sidebar {
    transform: translateX(0);
  }

  .mobile-modules-open .mobile-backdrop,
  .mobile-settings-open .mobile-backdrop {
    display: block;
  }

  .only-mobile {
    display: inline-flex;
  }

  .only-desktop {
    display: none !important;
  }

  .topbar-title {
    display: none;
  }

  .topbar-left {
    flex: 1;
  }

  .topbar-modules-button {
    width: 100%;
    justify-content: flex-start;
  }

  .topbar-gear-button {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
    width: 44px;
    justify-content: center;
  }

  .filters-row {
    grid-template-columns: 1fr;
  }

  .filters-row--2col {
    grid-template-columns: 1fr 1fr;
  }

  .mobile-settings-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
    width: min(360px, 88vw);
    z-index: 55;
    transform: translateX(110%);
    transition: transform 160ms ease;
    background: var(--surface);
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow);
    padding: var(--space-4);
    display: grid;
    grid-auto-rows: max-content;
    gap: var(--space-4);
    overflow: auto;
  }

  .mobile-settings-open .mobile-settings-drawer {
    transform: translateX(0);
  }

  .mobile-drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
  }

  .mobile-drawer-title {
    font-weight: 650;
  }

  .mobile-drawer-body {
    display: grid;
    gap: var(--space-3);
  }

  .mobile-ui-controls {
    display: grid;
    gap: var(--space-2);
    align-items: stretch;
  }

  .mobile-user-chip {
    margin-left: 0;
    justify-content: space-between;
  }

  .detail-panel {
    display: none;
  }

  .people-detail-open .list-panel {
    display: none;
  }

  .people-detail-open .detail-panel {
    display: block;
  }

  .work-sessions-detail-open .list-panel {
    display: none;
  }

  .work-sessions-detail-open .detail-panel {
    display: block;
  }

  .comp-items-detail-open .list-panel {
    display: none;
  }

  .comp-items-detail-open .detail-panel {
    display: block;
  }

  .ledger-detail-open .list-panel {
    display: none;
  }

  .ledger-detail-open .detail-panel {
    display: block;
  }

  .salarizare-detail-open .list-panel {
    display: none;
  }

  .salarizare-detail-open .detail-panel {
    display: block;
  }

  .list-controls {
    position: sticky;
    top: 0;
    z-index: 5;
    background: var(--surface);
    padding-bottom: var(--space-2);
  }

  .detail-back {
    display: inline-flex;
  }
}

@media (min-width: 901px) {
  .split {
    grid-template-columns: 420px 1fr;
  }
}

/* Detail rows for read-only view */
.detail-row {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border);
}

.detail-row:last-child {
  border-bottom: none;
}

.detail-label {
  color: var(--muted);
  min-width: 140px;
  flex-shrink: 0;
}

.detail-value {
  color: var(--text);
  font-weight: 500;
}

/* === Theme Selector === */
.theme-selector {
  position: relative;
}

.theme-menu {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  min-width: 140px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 100;
}

.theme-menu.open {
  display: block;
}

.theme-option {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2);
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text);
}

.theme-option:hover {
  background: var(--surface-2);
}

.theme-option.active {
  background: var(--primary);
  color: #fff;
}

.theme-swatch {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border);
  flex-shrink: 0;
}

.theme-swatch-legacy { background: #2563eb; }
.theme-swatch-slate { background: #3b82f6; }
.theme-swatch-stone { background: #0d9488; }
.theme-swatch-zinc { background: #6366f1; }

.theme-selector-mobile {
  width: 100%;
}

.theme-selector-mobile .theme-menu {
  position: static;
  margin-top: var(--space-2);
  box-shadow: none;
}

/* === Slate Theme (Light) === */
:root.theme-slate {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-2: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --success: #10b981;
  --warning: #f59e0b;
}

/* === Slate Theme (Dark) === */
:root.theme-slate.theme-dark {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #334155;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --border: #334155;
  --primary: #60a5fa;
  --primary-hover: #3b82f6;
  --danger: #f87171;
  --success: #34d399;
  --warning: #fbbf24;
}

/* === Stone Theme (Light) === */
:root.theme-stone {
  --bg: #fafaf9;
  --surface: #ffffff;
  --surface-2: #f5f5f4;
  --text: #1c1917;
  --muted: #78716c;
  --border: #e7e5e4;
  --primary: #0d9488;
  --primary-hover: #0f766e;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #ca8a04;
}

/* === Stone Theme (Dark) === */
:root.theme-stone.theme-dark {
  --bg: #1c1917;
  --surface: #292524;
  --surface-2: #44403c;
  --text: #fafaf9;
  --muted: #a8a29e;
  --border: #44403c;
  --primary: #2dd4bf;
  --primary-hover: #14b8a6;
  --danger: #f87171;
  --success: #4ade80;
  --warning: #facc15;
}

/* === Zinc Theme (Light) === */
:root.theme-zinc {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-2: #f4f4f5;
  --text: #18181b;
  --muted: #71717a;
  --border: #e4e4e7;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --danger: #ef4444;
  --success: #22c55e;
  --warning: #eab308;
}

/* === Zinc Theme (Dark) === */
:root.theme-zinc.theme-dark {
  --bg: #18181b;
  --surface: #27272a;
  --surface-2: #3f3f46;
  --text: #fafafa;
  --muted: #a1a1aa;
  --border: #3f3f46;
  --primary: #818cf8;
  --primary-hover: #6366f1;
  --danger: #f87171;
  --success: #4ade80;
  --warning: #facc15;
}