/* ─────────────────────────────────────────────
   APAN BI — layout.css (header / nav / grids)
   ───────────────────────────────────────────── */

/* ── Header (sticky, white surface per design system) ── */
.header {
  background: var(--hdr1);
  border-bottom: 1px solid var(--bd);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-wrap: wrap;
}

.header-logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.02em;
  white-space: nowrap;
  color: var(--tx);
}
.header-logo em { color: var(--tx); font-style: italic; font-weight: 700; }
.header-logo span { font-size: 12px; font-weight: 400; color: var(--mu); margin-left: 6px; }

.header-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sync-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--sf2);
  border: 1px solid var(--bd);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11px;
  color: var(--tx2);
  white-space: nowrap;
}
.sync-box strong { color: var(--tx); font-family: var(--mono); font-size: 11px; font-variant-numeric: tabular-nums; }

.theme-toggle {
  background: var(--sf2);
  border: 1px solid var(--bd);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--tx2);
  cursor: pointer;
  font-family: var(--fn);
  transition: border-color .15s, color .15s;
}
.theme-toggle:hover { border-color: var(--bd2); color: var(--tx); }

.logout-btn {
  background: var(--sf2);
  border: 1px solid var(--bd);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  color: var(--tx2);
  cursor: pointer;
  font-family: var(--fn);
  transition: border-color .15s, color .15s;
}
.logout-btn:hover { border-color: var(--ac2); color: var(--ac2); }

/* ── Filter bar ── */
.filter-bar {
  background: var(--bg);
  border-bottom: 1px solid var(--bd);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  position: sticky;
  top: 60px;
  z-index: 99;
}

.filter-sep {
  width: 1px;
  height: 18px;
  background: var(--bd);
  margin: 0 4px;
}

.date-input {
  background: var(--sf);
  border: 1px solid var(--bd);
  color: var(--tx);
  padding: 5px 10px;
  border-radius: var(--radius-s);
  font: 12px var(--fn);
}
.date-input:focus { outline: none; border-color: var(--ac); }

/* ── Nav tabs (page navigation) ── */
.nav-tabs {
  background: var(--bg);
  border-bottom: 1px solid var(--bd);
  padding: 0 24px;
  display: flex;
  gap: 0;
  overflow-x: auto;
}
.nav-tab {
  padding: 14px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--tx2);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
  font-family: var(--fn);
}
.nav-tab:hover { color: var(--tx); }
.nav-tab.act   { color: var(--tx); border-bottom-color: var(--tx); font-weight: 600; }

/* ── Main container (1440px max per design system) ── */
.main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
}

/* ── Page sections (hidden by default) ── */
.page-section { display: none; }
.page-section.active { display: block; }

/* ── Grid layouts ── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.grid-kpi { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 16px; }
.grid-today { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.grid-summaries { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-bottom: 16px; }

/* ── Spacers ── */
.mb-8  { margin-bottom: 8px; }
.mb-10 { margin-bottom: 10px; }
.mb-16 { margin-bottom: 16px; }

/* ── Table toolbar ── */
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.table-filters {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

/* ── Refresh confirm overlay ── */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,18,36,.55);
  backdrop-filter: blur(4px);
  z-index: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.confirm-overlay.hidden { display: none; }
.confirm-box {
  background: var(--sf);
  border: 1px solid var(--bd);
  border-radius: var(--radius);
  padding: 28px 32px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-pop);
}
.confirm-box h3 { margin-bottom: 8px; color: var(--tx); }
.confirm-box p { font-size: 13px; color: var(--tx2); margin-bottom: 20px; line-height: 1.55; }
.confirm-btns { display: flex; gap: 8px; justify-content: center; }

/* ─────────────────────────────────────────────
   App shell: sidebar (240px) + content area
   ───────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.app-main {
  min-width: 0;            /* prevent grid blowout */
  display: flex;
  flex-direction: column;
}

/* ── Sidebar ── */
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  background: var(--sf);
  border-right: 1px solid var(--bd);
  padding: 20px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow-y: auto;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 12px;
  border-bottom: 1px solid var(--bd);
}
.sidebar-logo-mark {
  width: 32px; height: 32px;
  border-radius: 999px;
  background: var(--tx);
  color: var(--bg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px;
  letter-spacing: -.02em;
  flex-shrink: 0;
}
body.theme-dark .sidebar-logo-mark { background: #fff; color: #0E0E0F; }
.sidebar-logo-text {
  font-size: 17px; font-weight: 700; letter-spacing: -.02em; color: var(--tx);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-logo-text em { font-style: italic; font-weight: 700; }
.sidebar-section-label {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .08em;
  color: var(--mu);
  padding: 0 10px;
  margin-top: 4px;
}
.sidebar-nav {
  display: flex; flex-direction: column; gap: 2px;
}
.sidebar-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--tx);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  font: 500 13px var(--fn);
  text-align: left;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
}
.sidebar-item:hover { background: var(--sf2); }
.sidebar-item.act {
  background: var(--sf2);
  border-color: var(--bd);
  font-weight: 600;
}
.sidebar-icon {
  width: 30px; height: 30px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.18);
}
.sidebar-icon svg { width: 16px; height: 16px; stroke: currentColor; }

/* gradient backgrounds for sidebar icons */
.grad-blue-purple   { background: linear-gradient(135deg, #2C5BFF, #8B5CF6); }
.grad-orange-magenta{ background: linear-gradient(135deg, #F5A524, #FF2BAA); }
.grad-green-blue    { background: linear-gradient(135deg, #10B981, #2C5BFF); }
.grad-yellow-orange { background: linear-gradient(135deg, #FBBF24, #F97316); }
.grad-magenta-purple{ background: linear-gradient(135deg, #FF2BAA, #8B5CF6); }
.grad-purple-blue   { background: linear-gradient(135deg, #8B5CF6, #2C5BFF); }
.grad-graphite      { background: linear-gradient(135deg, #475569, #1E293B); }

.sidebar-bottom {
  margin-top: auto;
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--bd);
}
.sidebar-bottom .sidebar-item { font-size: 12px; padding: 7px 10px; color: var(--tx2); }

/* ── Bottom-tabs (mobile) ── */
.bottom-tabs {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 90;
  background: var(--sf);
  border-top: 1px solid var(--bd);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  gap: 2px;
  box-shadow: 0 -4px 16px rgba(15,18,36,.06);
}
.bottom-tab {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  padding: 6px 4px;
  border: none; background: transparent;
  border-radius: 10px;
  font: 500 10px var(--fn);
  color: var(--tx2);
  cursor: pointer;
}
.bottom-tab.act { color: var(--tx); font-weight: 600; }
.bottom-tab .sidebar-icon { width: 28px; height: 28px; border-radius: 8px; }
.bottom-tab .sidebar-icon svg { width: 14px; height: 14px; }

/* ── Responsive: collapse sidebar → bottom tabs ── */
@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .bottom-tabs { display: flex; }
  body { padding-bottom: 70px; }
}

@media (max-width: 768px) {
  .header { padding: 10px 14px; }
  .filter-bar { padding: 10px 14px; top: auto; position: static; }
  .main { padding: 14px; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .grid-kpi { grid-template-columns: repeat(2, 1fr); }
  .modal-kpi-row { grid-template-columns: 1fr 1fr; }
  .modal-grid { grid-template-columns: 1fr; }
  .mgr-kpi-row { grid-template-columns: 1fr; }
  .sync-box { display: none; }
  .data-table { min-width: 700px; }
  .kpi-value { font-size: 32px; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .grid-today { grid-template-columns: repeat(2, 1fr); }
  .login-card { padding: 28px 20px; }
}