/* ============================================================
   layout.css — Sidebar, section dividers, back-to-top,
                date picker, media queries
   Premium Dark Liquid Glass · Huize Priester Energiedashboard
   ============================================================ */

/* ── Sidebar (glass-rail) ───────────────────────────────── */
#sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 260px;
  background: rgba(255,255,255,0.025);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  overflow: hidden;
  transition: width 300ms cubic-bezier(.4,0,.2,1);
}

.sb-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  min-height: 52px;
}

.sb-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  font-family: var(--sans);
  overflow: hidden;
  white-space: nowrap;
}

.sb-brand-text {
  opacity: 1;
  transition: opacity 200ms;
}

.sb-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--rs);
  width: 30px; height: 30px;
  cursor: pointer;
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
@media (hover:hover) {
  .sb-toggle:hover { color: var(--blue); border-color: var(--blue-border); background: var(--blue-soft); }
}
body.sb-open .sb-toggle { color: var(--emerald); border-color: var(--emerald-border); background: var(--emerald-soft); }

/* Scrollable nav links */
.sb-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px 0;
  scrollbar-width: thin;
  scrollbar-color: var(--faint) transparent;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px 9px 18px;
  font-size: 12px;
  font-weight: 500;
  color: var(--dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition), background var(--transition);
  white-space: nowrap;
  font-family: var(--sans);
  border-radius: 0 var(--rs) var(--rs) 0;
  margin-right: 8px;
}
.nav-link .ic { width: 17px; height: 17px; flex-shrink: 0; }
.nav-link:hover { color: var(--text); background: rgba(255,255,255,.04); }
.nav-link.active {
  color: var(--emerald) !important;
  border-left-color: var(--emerald) !important;
  font-weight: 600;
  background: var(--emerald-soft);
}

/* Period filter inside sidebar */
.sb-period {
  border-top: 1px solid var(--border);
  padding: 14px 16px 12px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow: hidden;
  transition: opacity 200ms;
}

.sb-period .ctrl-label {
  font-size: 10px; letter-spacing: .10em; text-transform: uppercase;
  color: var(--dim); font-family: var(--mono);
}
.sb-period .dp {
  width: 100%; font-family: var(--mono); font-size: 12px;
  color: var(--text);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--rs); padding: 7px 10px; min-height: 34px;
  cursor: pointer; color-scheme: dark;
}
.sb-period .dp:focus { outline: 2px solid var(--blue); outline-offset: 1px; }
.sb-period .ctrl-sep { font-size: 11px; color: var(--dim); text-align: center; }
.sb-period .gran-badge {
  font-size: 10px; font-family: var(--mono); color: var(--dim);
  letter-spacing: .06em; padding: 4px 10px; white-space: nowrap;
  background: var(--bg-sunken); border-radius: var(--rs);
}
.sb-period .ctrl-quick { display: flex; flex-direction: column; gap: 4px; width: 100%; }
.sb-period .ctrl-quick .qrow { display: flex; gap: 4px; width: 100%; }
.sb-period .ctrl-quick .qrow .qbtn { flex: 1; text-align: center; padding: 0 4px; min-width: 0; }
.sb-period .qbtn {
  font-family: var(--sans); font-size: 11px; color: var(--dim);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 0 10px; min-height: 28px;
  cursor: pointer; transition: all var(--transition);
  flex: 1 1 auto; text-align: center;
}
.sb-period .qbtn:hover { background: rgba(255,255,255,.04); border-color: var(--border2); color: var(--text); }
.sb-period .qbtn.active { background: var(--emerald-soft); border-color: var(--emerald-border); color: var(--emerald); font-weight: 500; }

/* Sidebar footer: theme toggle */
.sb-footer {
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  display: flex; align-items: center; gap: 10px;
  flex-shrink: 0; overflow: hidden; white-space: nowrap;
}

.sb-footer-label { font-size: 11px; color: var(--faint); font-family: var(--mono); opacity: 1; transition: opacity 200ms; }

/* Collapsed state (desktop) */
body.sb-collapsed #sidebar { width: 64px; }
body.sb-collapsed .sb-brand { display: none; }
body.sb-collapsed .sb-top { justify-content: center; }
body.sb-collapsed .nav-txt { display: none; }
body.sb-collapsed .nav-link { justify-content: center; padding-left: 0; padding-right: 0; gap: 0; margin-right: 0; border-radius: 0; }
body.sb-collapsed .sb-period { display: none; }
body.sb-collapsed .sb-footer { justify-content: center; }
body.sb-collapsed .sb-footer-label { display: none; }

/* Mobile-only header bar */
.sb-mobile-hdr {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 48px;
  background: rgba(10,10,15,0.97);
  backdrop-filter: blur(20px) saturate(120%);
  border-bottom: 1px solid var(--border);
  z-index: 101;
  align-items: center; gap: 12px; padding: 0 16px;
}
.sb-mobile-hdr span { font-size: 13px; font-weight: 600; color: var(--text); font-family: var(--sans); }

/* Mobile backdrop */
#sb-backdrop { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 99; }
body.sb-open #sb-backdrop { display: block; }

/* ── Back to top ────────────────────────────────────────── */
.btt {
  position: fixed; bottom: 28px; right: 28px;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(var(--blur-card));
  border: 1px solid var(--border);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; font-size: 18px; color: var(--muted);
  opacity: 0; pointer-events: none;
  transition: opacity .25s, box-shadow var(--transition), border-color var(--transition);
  z-index: 99; text-decoration: none; line-height: 1;
}
.btt.show   { opacity: 1; pointer-events: all; }
.btt:hover  { color: var(--blue); border-color: var(--blue-border); box-shadow: var(--glow-blue); }

/* ── Control bar (standalone) */
.ctrlbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--glass-grad);
  backdrop-filter: blur(var(--blur-card));
  border: 1px solid var(--border);
  border-radius: var(--r); padding: 12px 16px; margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}
.ctrl-label  { font-size: 10px; letter-spacing: .10em; text-transform: uppercase; color: var(--dim); font-family: var(--mono); }
.dp          { font-family: var(--mono); font-size: 13px; color: var(--text);
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: var(--rs); padding: 9px 12px; min-height: 44px; cursor: pointer; color-scheme: dark; }
.dp:focus    { outline: 2px solid var(--blue); outline-offset: 1px; }
.ctrl-sep    { color: var(--dim); }
.gran-badge  { font-size: 11px; font-family: var(--mono); color: var(--muted);
  background: rgba(255,255,255,0.05); border: 1px solid var(--border);
  border-radius: var(--rs); padding: 6px 10px; white-space: nowrap; }
.ctrl-quick  { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.qbtn {
  font-family: var(--sans); font-size: 12px; color: var(--dim);
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--r-pill); padding: 0 12px; min-height: 44px;
  cursor: pointer; transition: all var(--transition);
}
.qbtn:hover { background: var(--blue-soft); border-color: var(--blue-border); color: var(--blue); }
.qbtn.active { background: var(--emerald-soft); border-color: var(--emerald-border); color: var(--emerald); font-weight: 500; }

/* ── Section divider (neutraal, hairline + mono label) ── */
.sec-div {
  display: flex; align-items: center; gap: 14px;
  margin: 64px 0 24px;
  padding: 0;
  scroll-margin-top: 24px;
  position: relative;
}
.sec-div-bar {
  width: 3px; height: 28px;
  border-radius: 3px;
  background: var(--blue);
  box-shadow: 0 0 10px var(--blue-glow);
  flex-shrink: 0;
  position: relative;
  transform-origin: top;
  transform: scaleY(0);
  opacity: 0;
}
.sec-div-label {
  font-size: 13px; letter-spacing: .08em; text-transform: uppercase;
  font-family: var(--mono); font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  padding: 0 14px 0 0;
  position: relative;
}

/* ── Body offset for fixed sidebar ─────────────────────── */
body {
  padding-left: 260px;
  transition: padding-left 300ms cubic-bezier(.4,0,.2,1);
}
body.sb-collapsed { padding-left: 64px; }
.dash { margin: 0 auto; width: auto; }

/* ── Media queries ──────────────────────────────────────── */
@media (min-width:1280px) { .tw { overflow-x: visible; } }

@media (max-width:1100px) {
  .g31  { grid-template-columns: 1fr; }
  .g4   { grid-template-columns: repeat(2,1fr); }
  .g3   { grid-template-columns: 1fr 1fr; }
  .adv-impact { grid-template-columns: 1fr 1fr; }
}

@media (max-width:900px) {
  .adv-impact { grid-template-columns: 1fr 1fr; }
  .g3 { grid-template-columns: 1fr; }
}

@media (max-width:1024px) {
  body { padding-left: 0 !important; }
  .sb-mobile-hdr { display: flex; }
  #sidebar {
    width: 260px;
    transform: translateX(-260px);
    transition: transform 300ms cubic-bezier(.4,0,.2,1);
  }
  body.sb-open #sidebar { transform: translateX(0); }
  body.sb-collapsed #sidebar { width: 260px; transform: translateX(-260px); }
  .dash { padding-top: 60px; }
}

@media (max-width:640px) {
  .dash { padding: 60px 14px 60px; width: 100vw; box-sizing: border-box; }
  .dash * { max-width: 100%; }
  canvas { max-width: 100% !important; }
  .hp  { font-size: 11px; line-height: 1.5; margin-top: 4px; }
  .g4, .g3 { grid-template-columns: 1fr; }
  .g2, .g31 { grid-template-columns: 1fr; }
  .adv-impact { grid-template-columns: 1fr !important; }
  .cc  { min-height: 0; }
  #uurGrid { grid-template-columns: 1fr !important; }
  #uurGrid [style*="grid-column"] { grid-column: span 1 !important; }
  .kv  { font-size: 22px !important; }
  .kl  { font-size: 10px; letter-spacing: .02em; }
  .ks  { font-size: 11px; -webkit-line-clamp: 3; }
  .sec-div-label { font-size: 11px; letter-spacing: .05em; }
  .ki  { width: 28px; height: 28px; font-size: 15px; margin-bottom: 10px; }
  .delta-badge { max-width: calc(100% - 64px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .kc  { padding: 14px; }
  .cc  { padding: 14px; }
  h1   { font-size: 20px; }
  .hdr { flex-direction: column; gap: 6px; padding: 16px 0 12px; align-items: flex-start; }
  .sec-div { margin: 24px 0 14px; }
  .hr  { flex-shrink: 0; }
  .hide-mob { display: none; }
  .bbl { min-width: 130px; font-size: 11px; }
  .bbw { flex: none; width: 120px; }
  .g2,.g3,.g4,.g31 { gap: 8px; margin-bottom: 8px; }
  .cc,.kc,.gg { margin-bottom: 0; }
  .gg  { padding: 14px 10px; }
  .gw  { width: 100% !important; height: auto !important; }
  .gw canvas { width: 100% !important; height: auto !important; }
  .pb-label { width: 90px !important; }
  .pb-date  { width: 80px !important; }
}

/* ── Toegankelijkheid ───────────────────────────────── */
.nav-link:focus-visible,
.sb-toggle:focus-visible,
.qbtn:focus-visible,
.btt:focus-visible {
  outline: 2px solid var(--emerald);
  outline-offset: 2px;
}
.dp:focus-visible { outline: 2px solid var(--emerald); outline-offset: 1px; }

/* ── Flatpickr dark theme ────────────────────────────────── */
.flatpickr-calendar {
  background-color: rgba(10,10,18,0.94) !important;
  background-image: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.01) 60%) !important;
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid var(--border2) !important;
  box-shadow: var(--shadow-pop), inset 0 1px 0 rgba(255,255,255,0.08) !important;
  border-radius: var(--r) !important;
  font-family: var(--sans);
}
/* Calendar arrow — match glass bg */
.flatpickr-calendar.arrowTop::before  { border-bottom-color: rgba(255,255,255,0.12) !important; }
.flatpickr-calendar.arrowTop::after   { border-bottom-color: rgba(10,10,18,0.94) !important; }
.flatpickr-calendar.arrowBottom::before { border-top-color: rgba(255,255,255,0.12) !important; }
.flatpickr-calendar.arrowBottom::after  { border-top-color: rgba(10,10,18,0.94) !important; }
/* Nav arrows — geen rondje, alleen pijl */
.flatpickr-prev-month, .flatpickr-next-month {
  background: none !important;
  border: none !important;
  width: 30px !important; height: 30px !important;
  padding: 0 !important;
  display: flex !important; align-items: center; justify-content: center;
  transition: opacity 150ms ease;
  opacity: .6;
}
.flatpickr-prev-month svg, .flatpickr-next-month svg { width: 14px !important; height: 14px !important; }
.flatpickr-prev-month:hover, .flatpickr-next-month:hover { opacity: 1; }
.flatpickr-calendar .flatpickr-month,
.flatpickr-calendar .flatpickr-weekdays { background: transparent; }
.flatpickr-calendar .flatpickr-month { color: var(--text); fill: var(--text); border-bottom: 1px solid var(--border); }
.flatpickr-calendar .flatpickr-current-month,
.flatpickr-calendar .flatpickr-current-month input.cur-year { color: var(--text); font-weight: 600; font-size: 14px; }
.flatpickr-calendar .flatpickr-monthDropdown-months {
  appearance: none; -webkit-appearance: none;
  pointer-events: none; background: transparent;
  color: var(--text); border: none; cursor: default; padding-right: 0;
}
.flatpickr-calendar .numInputWrapper:hover { background: var(--surface2); }
.flatpickr-calendar .numInputWrapper span { opacity: 1; border-color: var(--border); }
.flatpickr-calendar .numInputWrapper span:hover { background: var(--surface2); }
.flatpickr-calendar .numInputWrapper span.arrowUp:after  { border-bottom-color: var(--muted); }
.flatpickr-calendar .numInputWrapper span.arrowDown:after { border-top-color: var(--muted); }
.flatpickr-calendar .flatpickr-weekday { background: transparent; color: var(--dim); font-size: 11px; font-family: var(--mono); letter-spacing: .04em; }
.flatpickr-calendar .flatpickr-day { color: var(--muted); border-color: transparent; border-radius: var(--rs); font-size: 12px; }
.flatpickr-calendar .flatpickr-day:hover,
.flatpickr-calendar .flatpickr-day:focus { background: var(--surface2); border-color: var(--border2); color: var(--text); }
.flatpickr-calendar .flatpickr-day.today { border-color: var(--emerald-border); }
.flatpickr-calendar .flatpickr-day.today:hover { background: var(--emerald-soft); border-color: var(--emerald); color: var(--text); }
.flatpickr-calendar .flatpickr-day.selected,
.flatpickr-calendar .flatpickr-day.startRange,
.flatpickr-calendar .flatpickr-day.endRange,
.flatpickr-calendar .flatpickr-day.selected.inRange {
  background: var(--emerald) !important; border-color: var(--emerald) !important;
  box-shadow: 0 0 12px var(--emerald-glow); color: #fff;
}
.flatpickr-calendar .flatpickr-day.selected:hover,
.flatpickr-calendar .flatpickr-day.startRange:hover,
.flatpickr-calendar .flatpickr-day.endRange:hover { background: var(--emerald) !important; border-color: var(--emerald) !important; color: #fff; }
.flatpickr-calendar .flatpickr-day.inRange {
  background: var(--emerald-soft) !important; border-color: transparent;
  box-shadow: -5px 0 0 var(--emerald-soft), 5px 0 0 var(--emerald-soft);
  color: var(--text); border-radius: 0;
}
.flatpickr-day.startRange { border-radius: var(--rs) 0 0 var(--rs); }
.flatpickr-day.endRange   { border-radius: 0 var(--rs) var(--rs) 0; }
.flatpickr-day.startRange.endRange { border-radius: var(--rs); }
.flatpickr-day.startRange + .flatpickr-day.endRange:not(:nth-child(7n+1)) { box-shadow: -10px 0 0 var(--emerald-soft); }
.flatpickr-calendar .flatpickr-day.flatpickr-disabled,
.flatpickr-calendar .flatpickr-day.flatpickr-disabled:hover,
.flatpickr-calendar .flatpickr-day.prevMonthDay,
.flatpickr-calendar .flatpickr-day.nextMonthDay { color: var(--faint); opacity: .4; }
.flatpickr-calendar .flatpickr-day.prevMonthDay.inRange,
.flatpickr-calendar .flatpickr-day.nextMonthDay.inRange {
  background: var(--emerald-soft) !important; border-color: transparent;
  box-shadow: -5px 0 0 var(--emerald-soft), 5px 0 0 var(--emerald-soft);
  color: var(--text); opacity: .45;
}
.flatpickr-calendar .flatpickr-day.prevMonthDay.startRange,
.flatpickr-calendar .flatpickr-day.nextMonthDay.startRange,
.flatpickr-calendar .flatpickr-day.prevMonthDay.endRange,
.flatpickr-calendar .flatpickr-day.nextMonthDay.endRange {
  background: var(--emerald) !important; border-color: var(--emerald); color: #fff; opacity: .45;
}
.flatpickr-prev-month svg, .flatpickr-next-month svg { fill: var(--muted); }
.flatpickr-prev-month:hover, .flatpickr-next-month:hover { color: var(--emerald); }
.flatpickr-prev-month:hover svg, .flatpickr-next-month:hover svg { fill: var(--emerald); }
.flatpickr-calendar.multiMonth .flatpickr-days .dayContainer:nth-child(n+2) { border-left: 1px solid var(--border); }

@media (prefers-reduced-motion: reduce) {
  #sidebar { transition: none !important; }
  body { transition: none !important; }
  .nav-link, .sb-toggle, .qbtn, .btt { transition: none; }
}