/* NSPL Ops — mobile-first shell */
:root {
  --bg: #f4f7f6;
  --surface: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #0f766e;
  --brand-dark: #0d9488;
  --brand-ink: #ecfdf5;
  --danger: #b91c1c;
  --warn-bg: #fffbeb;
  --warn-ink: #92400e;
  --ok-bg: #ecfdf5;
  --ok-ink: #065f46;
  --shadow: 0 1px 2px rgb(15 23 42 / 6%), 0 8px 24px rgb(15 23 42 / 6%);
  --radius: 14px;
  --touch: 44px;
  --nav-w: 260px;
  --topbar-h: 56px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
  min-height: 100dvh;
}
a { color: var(--brand); }
img { max-width: 100%; }
button, input, select { font: inherit; }
.muted { color: var(--muted); }
.muted.small, .small { font-size: 0.85rem; }
.is-hidden, [hidden] { display: none !important; }

/* Top bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 0.75rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgb(15 23 42 / 4%);
}
.btn-icon {
  width: var(--touch);
  height: var(--touch);
  border: 0;
  border-radius: 12px;
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.hamburger, .hamburger::before, .hamburger::after {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  position: relative;
}
.hamburger::before, .hamburger::after {
  content: "";
  position: absolute;
  left: 0;
}
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }
.topbar-brand { display: flex; align-items: center; gap: 0.65rem; min-width: 0; flex: 1; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--brand), #14b8a6);
  flex-shrink: 0;
}
.brand-mark.lg { width: 48px; height: 48px; border-radius: 14px; }
.brand-text { min-width: 0; display: flex; flex-direction: column; }
.brand-text strong { font-size: 0.95rem; }
.page-crumb { font-size: 0.75rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-user { display: flex; align-items: center; gap: 0.5rem; }
.user-chip {
  font-size: 0.8rem;
  background: var(--brand-ink);
  color: var(--brand);
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.btn-text {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.5rem;
  min-height: var(--touch);
  display: inline-flex;
  align-items: center;
}

/* Shell / nav */
.shell { display: flex; min-height: calc(100dvh - var(--topbar-h)); }
.nav-backdrop {
  position: fixed; inset: var(--topbar-h) 0 0 0;
  background: rgb(15 23 42 / 40%);
  z-index: 30;
}
.sidenav {
  position: fixed;
  top: var(--topbar-h);
  left: 0;
  bottom: 0;
  width: min(var(--nav-w), 86vw);
  background: var(--surface);
  border-right: 1px solid var(--line);
  z-index: 35;
  transform: translateX(-105%);
  transition: transform 0.2s ease;
  overflow-y: auto;
  padding: 0.75rem;
}
.sidenav.is-open { transform: translateX(0); }
.nav-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.25rem; }
.nav-link {
  display: flex;
  align-items: center;
  min-height: var(--touch);
  padding: 0 0.9rem;
  border-radius: 12px;
  text-decoration: none;
  color: var(--ink);
  font-weight: 500;
}
.nav-link:hover { background: var(--bg); }
.nav-link.is-active {
  background: var(--brand-ink);
  color: var(--brand);
}
.main {
  flex: 1;
  width: 100%;
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

@media (min-width: 960px) {
  .nav-toggle { display: none; }
  .nav-backdrop { display: none !important; }
  .sidenav {
    position: sticky;
    top: var(--topbar-h);
    height: calc(100dvh - var(--topbar-h));
    transform: none;
    flex-shrink: 0;
  }
  .shell { align-items: flex-start; }
  .main { padding: 1.25rem 1.5rem 2rem; }
  .user-chip { max-width: 200px; }
}

/* Filters — stick under topbar while page scrolls */
.filters-panel {
  position: sticky;
  top: var(--topbar-h);
  z-index: 30;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1rem;
  overflow: hidden;
}
.filters-panel.is-expanded {
  box-shadow: 0 8px 24px rgb(15 23 42 / 12%);
}
.filters-toggle {
  width: 100%;
  min-height: var(--touch);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-weight: 600;
  text-align: left;
}
.filters-period-hint {
  margin-left: auto;
  font-weight: 500;
  color: var(--brand);
  font-size: 0.85rem;
  background: var(--brand-ink);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}
.chevron::after { content: "▾"; color: var(--muted); }
.filters-toggle[aria-expanded="true"] .chevron::after { content: "▴"; }
.filters-body {
  padding: 0 1rem 1rem;
  border-top: 1px solid var(--line);
  max-height: min(70dvh, 32rem);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.filters-form { display: grid; gap: 1rem; padding-top: 0.85rem; }
.filter-group { border: 0; margin: 0; padding: 0; }
.filter-group legend { font-weight: 600; margin-bottom: 0.5rem; }
.chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.chip {
  display: inline-flex;
  cursor: pointer;
}
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 0.85rem;
}
.chip input:checked + span {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
.filter-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .filter-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .filter-grid { grid-template-columns: repeat(3, 1fr); }
}
.filter-row { display: grid; gap: 0.35rem; }
.filter-row label { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
.filter-row input, .filter-row select,
.form-card input, .form-card select,
.login-form input, .admin-form input, .admin-form select {
  min-height: var(--touch);
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  width: 100%;
}
.filters-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; }
.filters-note { margin: 0; font-size: 0.8rem; color: var(--muted); }

/* Buttons */
.btn-primary, .btn-ghost, .btn-block {
  min-height: var(--touch);
  padding: 0.55rem 1.1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-dark); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-block { width: 100%; }

/* Cards / grids */
.section { display: grid; gap: 1rem; margin-bottom: 1.25rem; }
.section-head h1 { margin: 0 0 0.25rem; font-size: 1.35rem; }
.section-head p { margin: 0; }
.metric-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (min-width: 720px) {
  .metric-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}
.chart-grid {
  display: grid;
  gap: 0.85rem;
  grid-template-columns: 1fr;
}
@media (min-width: 800px) {
  .chart-grid { grid-template-columns: 1fr 1fr; }
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
}
.card-head { margin-bottom: 0.75rem; }
.card-head h2 { margin: 0; font-size: 1rem; }
.metric { display: grid; gap: 0.25rem; min-height: 96px; }
.metric-label { font-size: 0.78rem; color: var(--muted); font-weight: 600; }
.metric-value { font-size: 1.55rem; font-weight: 700; letter-spacing: -0.02em; color: var(--ink); }
.metric-hint { font-size: 0.75rem; color: var(--muted); }
.chart-placeholder {
  min-height: 180px;
  border-radius: 12px;
  background: linear-gradient(180deg, #f8fafc, #eef2f7);
  border: 1px dashed #cbd5e1;
  display: grid;
  place-content: center;
  text-align: center;
  gap: 0.35rem;
  color: var(--muted);
  padding: 1rem;
}
.chart-placeholder span { font-size: 1.5rem; font-weight: 700; color: #94a3b8; }
.chart-placeholder p { margin: 0; font-size: 0.85rem; }
.empty-state { text-align: left; }
.empty-state h2 { margin: 0 0 0.35rem; font-size: 1rem; }
.empty-state p { margin: 0; color: var(--muted); }

.collapsible-block {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 0.85rem;
  overflow: hidden;
}
.collapsible-block > summary {
  min-height: var(--touch);
  display: flex;
  align-items: center;
  padding: 0.75rem 1rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.collapsible-block > summary::-webkit-details-marker { display: none; }
.collapsible-body { padding: 0 1rem 1rem; border-top: 1px solid var(--line); display: grid; gap: 0.85rem; }
.toolbar-row { display: flex; flex-wrap: wrap; gap: 0.5rem; padding-top: 0.75rem; }
.chip-static {
  display: inline-flex; align-items: center; min-height: 36px;
  padding: 0 0.75rem; border-radius: 999px; background: var(--bg);
  border: 1px solid var(--line); font-size: 0.85rem; color: var(--muted);
}
.form-card { display: grid; gap: 0.45rem; }
.form-card .card-head { margin-bottom: 0.25rem; }
.admin-form { display: grid; gap: 0.45rem; max-width: 420px; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td {
  text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.data-table th { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.role-pill {
  display: inline-flex; padding: 0.15rem 0.5rem; border-radius: 999px;
  background: var(--brand-ink); color: var(--brand); font-size: 0.75rem; font-weight: 600;
}

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.alert-error { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-warn { background: var(--warn-bg); color: var(--warn-ink); border: 1px solid #fde68a; }
.alert-ok { background: var(--ok-bg); color: var(--ok-ink); border: 1px solid #a7f3d0; }
.alert code { font-size: 0.85em; }

/* Login */
.login-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(ellipse at top, #ccfbf1 0%, transparent 50%),
    var(--bg);
}
.login-card {
  width: min(100%, 400px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
}
.login-brand { text-align: center; margin-bottom: 1.25rem; display: grid; gap: 0.35rem; justify-items: center; }
.login-brand h1 { margin: 0; font-size: 1.35rem; }
.login-brand p { margin: 0; color: var(--muted); }
.login-form { display: grid; gap: 0.4rem; }
.login-form label { font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.login-form .btn-primary { margin-top: 0.65rem; }

/* --- Phase-1 merge compatibility --- */
.login-body { /* alias */ }
body.login-body {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background:
    radial-gradient(ellipse at top, #ccfbf1 0%, transparent 50%),
    var(--bg);
}
.login-body .login-card {
  width: min(100%, 400px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
  display: grid;
  gap: 0.45rem;
}
.login-body .login-card h1 { margin: 0 0 0.15rem; font-size: 1.35rem; text-align: center; }
.login-body .login-card > .muted { text-align: center; margin: 0 0 0.75rem; }
.login-body .login-card label { display: grid; gap: 0.35rem; font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.login-body .login-card input {
  min-height: var(--touch);
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  width: 100%;
  color: var(--ink);
  font: inherit;
}
.btn, .btn.primary, .btn.danger, .btn.small {
  min-height: var(--touch);
  padding: 0.55rem 1.1rem;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
.btn.primary { background: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-dark); }
.btn.danger { background: #fef2f2; color: var(--danger); border-color: #fecaca; }
.btn.danger:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.small { min-height: 36px; padding: 0.35rem 0.7rem; font-size: 0.85rem; }
.error { color: var(--danger); }
.ok { color: var(--ok-ink); }
.form-grid { display: grid; gap: 0.55rem; max-width: 480px; }
.form-grid label { display: grid; gap: 0.3rem; font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.form-grid input, .form-grid select {
  min-height: var(--touch);
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  width: 100%;
  font: inherit;
}
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.data th, table.data td {
  text-align: left; padding: 0.65rem 0.5rem; border-bottom: 1px solid var(--line); white-space: nowrap;
}
table.data th { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.row-actions form.inline { display: inline-flex; gap: 0.35rem; align-items: center; margin: 0; }
.row-actions details { display: inline-block; }
.row-actions details summary { list-style: none; cursor: pointer; }
.row-actions details summary::-webkit-details-marker { display: none; }
.page-title { margin: 0 0 1rem; font-size: 1.35rem; }
.content { /* legacy alias unused when using .main */ }


/* ---- Charts / search / overlay fixes (2026-10-01) ---- */
.nav-backdrop[hidden] {
  display: none !important;
  pointer-events: none !important;
}
.chart-canvas-wrap {
  position: relative;
  height: 260px;
  width: 100%;
}
.chart-card canvas {
  max-width: 100%;
}
.hint-warn {
  display: inline-block;
  margin-top: 0.35rem;
  color: #92400e;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 8px;
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
}
.form-card input[type="search"],
.form-card input[type="text"] {
  pointer-events: auto;
  width: 100%;
  min-height: var(--touch, 44px);
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font: inherit;
}
.form-card input:disabled {
  opacity: 0.55;
}
.page-body { position: relative; z-index: 1; }
.small { font-size: 0.8rem; }
.data-table.compact th, .data-table.compact td { padding: 0.45rem 0.4rem; font-size: 0.85rem; }