/* ═══════════════════════════════════════════════════════════════
   Statistici Ilfov — CSS  (editorial, clean, INS data dashboard)
   ═══════════════════════════════════════════════════════════════ */

/* ── Design tokens ─────────────────────────────────────────────── */
:root {
  --si-accent:      #3aa9d8;
  --si-accent-dark: #2a8ab5;
  --si-accent2:     #e3001b;
  --si-ink:         #0b0b0d;
  --si-muted:       #5e6a72;
  --si-muted-light: #8a959d;
  --si-soft:        #e6f3fb;
  --si-line:        #e4e9ee;
  --si-bg:          #ffffff;
  --si-surface:     #f7f9fb;
  --si-sidebar-w:   228px;
  --si-radius:      10px;
  --si-radius-sm:   6px;
  --si-shadow-sm:   0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --si-shadow:      0 2px 8px rgba(0,0,0,.08), 0 1px 3px rgba(0,0,0,.05);
  --si-font-sans:   "Inter", -apple-system, system-ui, sans-serif;
  --si-font-serif:  "Source Serif 4", Georgia, serif;
  --si-font-mono:   "IBM Plex Mono", ui-monospace, monospace;
  --si-transition:  150ms ease;
}

/* ── Base ──────────────────────────────────────────────────────── */
.si-page {
  font-family: var(--si-font-sans);
  color: var(--si-ink);
  background: var(--si-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ═══════════════════════════════════════════════════════════════
   LAYOUT — sidebar + content grid
   ═══════════════════════════════════════════════════════════════ */
.si-layout {
  display: grid;
  grid-template-columns: var(--si-sidebar-w) 1fr;
  min-height: calc(100vh - 120px);
  max-width: 1280px;
  margin: 0 auto;
}

.si-content {
  padding: 2.5rem 2.75rem;
  min-width: 0;
  border-left: 1px solid var(--si-line);
}

/* ── Sidebar ───────────────────────────────────────────────────── */
.si-sidebar {
  display: flex;
  flex-direction: column;
  padding: 1.75rem 0 1rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: thin;
}

.si-sidebar__brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 1.25rem 1.5rem;
  border-bottom: 1px solid var(--si-line);
  margin-bottom: .75rem;
}

.si-sidebar__brand-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--si-accent);
  margin-bottom: .35rem;
}

.si-sidebar__brand-text {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--si-ink);
}

.si-sidebar__brand-year {
  font-size: .72rem;
  color: var(--si-muted-light);
  font-family: var(--si-font-mono);
}

.si-sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 .5rem;
  flex: 1;
}

.si-sidebar__link {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .55rem .75rem;
  border-radius: var(--si-radius-sm);
  text-decoration: none;
  color: var(--si-muted);
  font-size: .82rem;
  font-weight: 500;
  transition: background var(--si-transition), color var(--si-transition);
  white-space: nowrap;
  overflow: hidden;
}

.si-sidebar__link:hover {
  background: var(--si-surface);
  color: var(--si-ink);
}

.si-sidebar__link--active {
  background: var(--si-soft);
  color: var(--si-accent-dark);
  font-weight: 600;
}

.si-sidebar__icon {
  flex-shrink: 0;
  opacity: .7;
  color: inherit;
}

.si-sidebar__link--active .si-sidebar__icon { opacity: 1; }

.si-sidebar__footer {
  padding: 1rem 1.25rem 0;
  border-top: 1px solid var(--si-line);
  font-size: .68rem;
  color: var(--si-muted-light);
  margin-top: auto;
}

/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.si-hero {
  margin-bottom: 2.5rem;
}

.si-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--si-accent);
  margin-bottom: .6rem;
}

.si-hero__eyebrow::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--si-accent);
}

.si-hero__title {
  font-family: var(--si-font-serif);
  font-size: clamp(1.65rem, 3.5vw, 2.25rem);
  font-weight: 700;
  line-height: 1.18;
  margin: 0 0 .6rem;
  color: var(--si-ink);
}

.si-hero__desc {
  font-size: .9rem;
  color: var(--si-muted);
  max-width: 640px;
  margin: 0;
  line-height: 1.65;
}

.si-back {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .78rem;
  color: var(--si-muted);
  text-decoration: none;
  margin-bottom: 1.1rem;
  transition: color var(--si-transition);
}
.si-back:hover { color: var(--si-accent); }
.si-back::before { content: '←'; }

/* ═══════════════════════════════════════════════════════════════
   SECTIONS
   ═══════════════════════════════════════════════════════════════ */
.si-section {
  margin-bottom: 2.75rem;
}

.si-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
  margin-bottom: 1rem;
}

.si-section__title {
  font-size: .95rem;
  font-weight: 700;
  color: var(--si-ink);
  margin: 0 0 1rem;
  letter-spacing: -.01em;
}

.si-section__head .si-section__title { margin-bottom: 0; }

.si-link-more {
  font-size: .78rem;
  color: var(--si-accent);
  text-decoration: none;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.si-link-more:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════════
   KPI CARDS — editorial style
   ═══════════════════════════════════════════════════════════════ */
.si-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1px;
  background: var(--si-line);
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  overflow: hidden;
  margin-bottom: .25rem;
}

.si-kpi-grid--4 { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.si-kpi-grid--3 { grid-template-columns: repeat(3, 1fr); }

.si-kpi-card {
  background: var(--si-bg);
  padding: 1.35rem 1.2rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: .2rem;
  transition: background var(--si-transition);
}
.si-kpi-card:hover { background: var(--si-surface); }

.si-kpi-card__value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--si-accent);
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.si-kpi-card__label {
  font-size: .72rem;
  color: var(--si-muted);
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: .4rem;
  order: 1;
}

.si-kpi-card__meta,
.si-kpi-card__unit {
  font-size: .7rem;
  color: var(--si-muted-light);
  font-family: var(--si-font-mono);
  order: 2;
}

/* Skeleton shimmer */
@keyframes si-shimmer {
  0%   { background-position: -400% 0; }
  100% { background-position: 400% 0; }
}

.si-kpi-card--skeleton .si-kpi-card__value,
.si-kpi-card--skeleton .si-kpi-card__label {
  background: linear-gradient(90deg, var(--si-line) 30%, var(--si-surface) 50%, var(--si-line) 70%);
  background-size: 400% 100%;
  animation: si-shimmer 1.8s ease infinite;
  border-radius: 4px;
  color: transparent;
}
.si-kpi-card--skeleton .si-kpi-card__label { height: .6rem; width: 65%; margin-top: .6rem; }
.si-kpi-card--skeleton .si-kpi-card__value { height: 1.7rem; width: 50%; }

/* ═══════════════════════════════════════════════════════════════
   CHART CONTAINERS
   ═══════════════════════════════════════════════════════════════ */
.si-chart-wrap {
  background: var(--si-bg);
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  padding: 1.25rem 1rem .75rem;
  position: relative;
  overflow: hidden;
}

.si-chart-note {
  font-size: .72rem;
  color: var(--si-muted-light);
  margin: .5rem 0 0;
  font-style: italic;
  line-height: 1.5;
}

/* ── Skeleton para grafice ──────────────────────────────────────── */
.si-chart-skeleton {
  background: linear-gradient(90deg, var(--si-surface) 30%, var(--si-line) 50%, var(--si-surface) 70%);
  background-size: 400% 100%;
  animation: si-shimmer 1.8s ease infinite;
  border-radius: var(--si-radius-sm);
  width: 100%;
}

/* Spinner (fallback) */
.si-spinner {
  width: 28px;
  height: 28px;
  border: 2.5px solid var(--si-line);
  border-top-color: var(--si-accent);
  border-radius: 50%;
  animation: si-spin .7s linear infinite;
  margin: 3rem auto;
}
@keyframes si-spin { to { transform: rotate(360deg); } }

/* ── States ─────────────────────────────────────────────────────── */
.si-loading {
  text-align: center;
  color: var(--si-muted);
  padding: 2rem;
  font-size: .85rem;
}

.si-error {
  color: var(--si-accent2);
  padding: 1.5rem 1rem;
  font-size: .82rem;
  text-align: center;
  line-height: 1.6;
}

.si-empty {
  color: var(--si-muted);
  padding: 2.5rem 1rem;
  font-size: .82rem;
  text-align: center;
  border: 1px dashed var(--si-line);
  border-radius: var(--si-radius);
  background: var(--si-surface);
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════
   NAVIGATION CARDS (dashboard)
   ═══════════════════════════════════════════════════════════════ */
.si-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: .75rem;
}

.si-nav-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: .5rem;
  padding: 1.1rem 1rem;
  background: var(--si-surface);
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  text-decoration: none;
  color: var(--si-ink);
  transition: border-color var(--si-transition), background var(--si-transition), transform var(--si-transition);
}
.si-nav-card:hover {
  border-color: var(--si-accent);
  background: var(--si-soft);
  transform: translateY(-2px);
}
.si-nav-card--active {
  border-color: var(--si-accent);
  background: var(--si-soft);
}

.si-nav-card__icon {
  font-size: 1.4rem;
  line-height: 1;
}

.si-nav-card__title {
  font-size: .78rem;
  font-weight: 600;
  line-height: 1.3;
}

/* ═══════════════════════════════════════════════════════════════
   TOGGLES & TABS
   ═══════════════════════════════════════════════════════════════ */
.si-toggle-row {
  display: flex;
  gap: .4rem;
  margin-bottom: 1.25rem;
}

.si-toggle {
  padding: .3rem .85rem;
  font-size: .78rem;
  font-weight: 600;
  background: var(--si-surface);
  border: 1.5px solid var(--si-line);
  border-radius: 100px;
  color: var(--si-muted);
  cursor: pointer;
  transition: all var(--si-transition);
  font-family: var(--si-font-sans);
}
.si-toggle--active,
.si-toggle:hover {
  border-color: var(--si-accent);
  color: var(--si-accent-dark);
  background: var(--si-soft);
}

.si-tab-row {
  display: flex;
  gap: .3rem;
}

.si-tab {
  padding: .25rem .7rem;
  font-size: .75rem;
  font-weight: 600;
  border: 1.5px solid var(--si-line);
  border-radius: 100px;
  background: none;
  color: var(--si-muted);
  cursor: pointer;
  transition: all var(--si-transition);
  font-family: var(--si-font-sans);
}
.si-tab--active,
.si-tab:hover {
  border-color: var(--si-accent);
  color: var(--si-accent-dark);
  background: var(--si-soft);
}

/* ═══════════════════════════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════════════════════════ */
.si-table-scroll { overflow-x: auto; border-radius: var(--si-radius); }

.si-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}

.si-table th {
  text-align: left;
  padding: .6rem .85rem;
  background: var(--si-surface);
  border-bottom: 2px solid var(--si-line);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--si-muted);
  white-space: nowrap;
}

/* Headerele coloanelor numerice se aliniază la dreapta, ca și datele */
.si-table th.si-td--num { text-align: right; }

.si-table td {
  padding: .55rem .85rem;
  border-bottom: 1px solid var(--si-line);
  vertical-align: middle;
}

.si-table tbody tr:last-child td { border-bottom: none; }
.si-table tbody tr:hover { background: var(--si-surface); }

.si-td--num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--si-font-mono);
  font-size: .78rem;
}

.si-td--tip {
  color: var(--si-muted);
  font-size: .75rem;
  text-transform: capitalize;
}

.si-delta--pos { color: #16a34a; font-weight: 700; }
.si-delta--neg { color: var(--si-accent2); font-weight: 700; }

.si-bar-inline {
  height: 6px;
  background: var(--si-accent);
  border-radius: 3px;
  max-width: 100%;
  min-width: 2px;
  opacity: .75;
}

/* ── Search ─────────────────────────────────────────────────────── */
.si-search-wrap { display: flex; align-items: center; }
.si-search {
  padding: .35rem .8rem;
  border: 1.5px solid var(--si-line);
  border-radius: 100px;
  font-size: .82rem;
  font-family: var(--si-font-sans);
  width: 220px;
  outline: none;
  transition: border-color var(--si-transition);
  background: var(--si-bg);
}
.si-search:focus { border-color: var(--si-accent); }

/* ═══════════════════════════════════════════════════════════════
   SOURCE NOTE
   ═══════════════════════════════════════════════════════════════ */
.si-source-note {
  margin-top: 2.5rem;
  padding: .9rem 1.1rem;
  background: var(--si-surface);
  border-left: 3px solid var(--si-line);
  border-radius: 0 var(--si-radius-sm) var(--si-radius-sm) 0;
  font-size: .72rem;
  color: var(--si-muted);
  line-height: 1.65;
}
.si-source-note p { margin: 0; }
.si-source-note a { color: var(--si-accent); }

/* ═══════════════════════════════════════════════════════════════
   MOBILE  (≤ 768px)
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .si-layout {
    grid-template-columns: 1fr;
  }

  /* Sidebar becomes horizontal top strip */
  .si-sidebar {
    position: static;
    height: auto;
    flex-direction: column;
    padding: 1rem 0 0;
    border-bottom: 1px solid var(--si-line);
    border-right: none;
  }

  .si-sidebar__brand {
    padding: 0 1rem .75rem;
    flex-direction: row;
    align-items: center;
    gap: .6rem;
    margin-bottom: .5rem;
    flex-wrap: wrap;
  }

  .si-sidebar__brand-dot { margin-bottom: 0; }
  .si-sidebar__brand-year { margin-left: auto; }

  .si-sidebar__nav {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    padding: 0;
  }

  .si-sidebar__link {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: .3rem;
    padding: .75rem .5rem;
    border-radius: 0;
    font-size: .72rem;
    text-align: center;
    min-height: 4rem;
    border-bottom: 3px solid transparent;
    background: none;
  }
  .si-sidebar__link:hover { background: var(--si-surface); }
  .si-sidebar__link--active {
    background: var(--si-soft);
    border-bottom-color: var(--si-accent);
    color: var(--si-accent-dark);
  }
  .si-sidebar__link svg { width: 1.4rem; height: 1.4rem; }
  .si-sidebar__label { font-size: .68rem; line-height: 1.2; white-space: normal; }

  .si-sidebar__footer { display: none; }

  .si-content {
    padding: 1.5rem 1rem;
    border-left: none;
  }

  .si-kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .si-kpi-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .si-kpi-card__value { font-size: 1.45rem; }

  /* Charts scrollable on mobile */
  .si-chart-wrap {
    overflow-x: auto;
    padding: 1rem .5rem .5rem;
  }

  .si-nav-grid { grid-template-columns: repeat(2, 1fr); }

  .si-hero__title { font-size: 1.5rem; }

  .si-search { width: 100%; }
  .si-section__head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .si-kpi-card__value { font-size: 1.25rem; }
  .si-kpi-grid--3 { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════
   BAR CHART — bare CSS orizontale server-side
   ═══════════════════════════════════════════════════════════════ */
.si-barchart {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: .25rem 0;
}

.si-barchart__row {
  display: grid;
  grid-template-columns: 9rem 1fr 7rem;
  gap: .6rem;
  align-items: center;
  font-size: .82rem;
}

.si-barchart__label {
  color: var(--si-muted);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: .8rem;
}

.si-barchart__track {
  background: var(--si-surface);
  border-radius: 4px;
  height: 22px;
  overflow: hidden;
  border: 1px solid var(--si-line);
}

.si-barchart__fill {
  height: 100%;
  border-radius: 3px;
  min-width: 2px;
  transition: width .25s ease;
  opacity: .88;
}

.si-barchart__val {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: var(--si-font-mono);
  font-size: .75rem;
  color: var(--si-ink);
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════
   FILTERS
   ═══════════════════════════════════════════════════════════════ */
.si-section--filter { margin-bottom: 2rem; }

.si-filter-form {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: .75rem;
  background: var(--si-surface);
  border: 1px solid var(--si-line);
  border-radius: var(--si-radius);
  padding: 1rem 1.25rem;
}

.si-filter-form label {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  font-size: .7rem;
  font-weight: 700;
  color: var(--si-muted);
  letter-spacing: .05em;
  text-transform: uppercase;
}

.si-filter-form select,
.si-filter-form input[type="text"],
.si-filter-form input[type="search"] {
  padding: .35rem .7rem;
  border: 1.5px solid var(--si-line);
  border-radius: var(--si-radius-sm);
  font-size: .82rem;
  font-family: var(--si-font-sans);
  background: var(--si-bg);
  color: var(--si-ink);
  outline: none;
  transition: border-color var(--si-transition);
  min-width: 90px;
}

.si-filter-form select:focus,
.si-filter-form input:focus {
  border-color: var(--si-accent);
}

/* ── Buttons ─────────────────────────────────────────────────── */
.si-btn {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .4rem 1rem;
  font-size: .8rem;
  font-weight: 600;
  font-family: var(--si-font-sans);
  background: var(--si-accent);
  color: #fff;
  border: 1.5px solid var(--si-accent);
  border-radius: var(--si-radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: background var(--si-transition), border-color var(--si-transition);
  white-space: nowrap;
  align-self: flex-end;
  line-height: 1.4;
}
.si-btn:hover { background: var(--si-accent-dark); border-color: var(--si-accent-dark); color: #fff; }

.si-btn--ghost {
  background: transparent;
  color: var(--si-muted);
  border-color: var(--si-line);
}
.si-btn--ghost:hover {
  background: var(--si-surface);
  color: var(--si-ink);
  border-color: var(--si-muted-light);
}

/* ── Inline empty state ─────────────────────────────────────── */
.si-empty-inline {
  color: var(--si-muted);
  font-size: .82rem;
  font-style: italic;
  padding: .6rem 0;
  margin: 0;
}

.si-null { color: var(--si-muted-light); }

/* ── Tab panels ──────────────────────────────────────────────── */
.si-tab-panel[hidden] { display: none; }

/* Mobile */
@media (max-width: 768px) {
  .si-barchart__row {
    grid-template-columns: 6.5rem 1fr 5.5rem;
    gap: .35rem;
    font-size: .76rem;
  }
  .si-barchart__label { font-size: .74rem; }

  .si-filter-form {
    padding: .75rem;
    gap: .5rem;
  }

  .si-btn { padding: .38rem .8rem; font-size: .76rem; }
}