/*
 * SYSTJEM 11.2 Mobile Experience
 * Behoudt de bestaande SYSTJEM-stijl en verfijnt navigatie, touch en laden.
 */

:root {
  --systjem-nav-width: 252px;
  --systjem-nav-bg: #20231f;
  --systjem-nav-bg-2: #292d27;
  --systjem-nav-text: #e7e4dc;
  --systjem-nav-muted: #a7aca3;
  --systjem-nav-active: #d7bd86;
  --systjem-nav-duration: 280ms;
  --systjem-nav-ease: cubic-bezier(.22,.8,.24,1);
}

/* Loading screen */
html.systjem-preload,
html.systjem-preload body {
  overflow: hidden;
}
.systjem-loader {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(247,246,241,.96);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 220ms ease, visibility 0s linear 220ms;
  backdrop-filter: blur(8px);
}
html.systjem-preload .systjem-loader,
body.systjem-page-leaving .systjem-loader {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}
.systjem-loader-inner {
  display: grid;
  justify-items: center;
  gap: 8px;
  color: #252923;
  text-align: center;
}
.systjem-loader-mark {
  width: 76px;
  height: 76px;
  margin-bottom: 8px;
  object-fit: contain;
  animation: systjem-logo-turn 1.35s cubic-bezier(.55,.05,.35,.95) infinite;
  filter: drop-shadow(0 10px 20px rgba(28,34,27,.14));
}
.systjem-loader-inner strong {
  font-size: 18px;
  letter-spacing: .16em;
}
.systjem-loader-inner span {
  color: #747a71;
  font-size: 13px;
}
@keyframes systjem-logo-turn {
  0% { transform: rotate(0deg) scale(.96); }
  50% { transform: rotate(180deg) scale(1); }
  100% { transform: rotate(360deg) scale(.96); }
}
@media (prefers-reduced-motion: reduce) {
  .systjem-loader-mark { animation: systjem-logo-pulse 1.2s ease-in-out infinite; }
  @keyframes systjem-logo-pulse { 50% { opacity: .55; transform: scale(.96); } }
}

/* Geen animaties vóór JS klaar is: voorkomt de schok bij openen. */
body.systjem-nav-ready .admin-hero,
body.systjem-nav-ready .adminnav,
body.systjem-nav-ready .admin-wrap,
body.systjem-nav-ready .session-topbar,
body.systjem-nav-ready #sidebarToggle,
body.systjem-nav-ready .mobile-nav-overlay {
  transition-duration: var(--systjem-nav-duration) !important;
  transition-timing-function: var(--systjem-nav-ease) !important;
}

body.admin-sidebar-on .adminnav {
  scrollbar-width: none !important;
  -ms-overflow-style: none !important;
}
body.admin-sidebar-on .adminnav::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

/* Desktop en iPad liggend */
@media (min-width: 901px) {
  body.admin-sidebar-on .admin-hero {
    width: var(--systjem-nav-width) !important;
    transform: translate3d(0,0,0) !important;
    background: linear-gradient(180deg,var(--systjem-nav-bg),var(--systjem-nav-bg-2)) !important;
    border-right: 1px solid rgba(255,255,255,.07) !important;
    box-shadow: 18px 0 48px rgba(20,24,19,.15) !important;
    will-change: transform;
  }
  body.admin-sidebar-on .admin-hero-inner {
    padding: 16px 14px !important;
    opacity: 1 !important;
  }
  body.admin-sidebar-on .adminnav {
    left: 14px !important;
    top: 108px !important;
    bottom: 28px !important;
    width: calc(var(--systjem-nav-width) - 28px) !important;
    transform: translate3d(0,0,0) !important;
    opacity: 1 !important;
    overflow-y: auto !important;
    will-change: transform,opacity;
  }
  body.admin-sidebar-on .admin-wrap {
    margin-left: var(--systjem-nav-width) !important;
    padding: 32px 36px !important;
  }
  body.admin-sidebar-on .session-topbar {
    left: var(--systjem-nav-width) !important;
  }
  body.admin-sidebar-on .brand-copy strong { color: #fff !important; }
  body.admin-sidebar-on .brand-copy small { color: #c9ad7a !important; }

  body.admin-sidebar-on #primaryAdminNav .btn,
  body.admin-sidebar-on #primaryAdminNav .btn.light,
  body.admin-sidebar-on #primaryAdminNav .btn.green,
  body.admin-sidebar-on #primaryAdminNav .primary {
    position: relative !important;
    min-height: 43px !important;
    padding: 10px 13px !important;
    border: 0 !important;
    border-radius: 10px !important;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--systjem-nav-text) !important;
    transform: none !important;
  }
  body.admin-sidebar-on #primaryAdminNav .btn:hover {
    background: rgba(255,255,255,.055) !important;
    color: #fff !important;
  }
  body.admin-sidebar-on #primaryAdminNav .btn.green,
  body.admin-sidebar-on #primaryAdminNav .primary {
    color: var(--systjem-nav-active) !important;
    font-weight: 900 !important;
    box-shadow: inset 3px 0 0 var(--systjem-nav-active) !important;
  }

  #sidebarToggle {
    left: calc(var(--systjem-nav-width) - 24px) !important;
    top: 22px !important;
    width: 42px !important;
    height: 42px !important;
    border-radius: 13px !important;
    background: #f7f3e9 !important;
    color: #252923 !important;
    border: 1px solid #d9d3c7 !important;
    box-shadow: 0 10px 28px rgba(20,24,19,.15) !important;
    z-index: 260 !important;
  }
  #sidebarToggle:hover { transform: scale(1.04); background: #fff !important; }

  body.sidebar-collapsed .admin-hero {
    width: var(--systjem-nav-width) !important;
    transform: translate3d(calc(-100% - 18px),0,0) !important;
    box-shadow: none !important;
  }
  body.sidebar-collapsed .admin-hero-inner {
    opacity: 0 !important;
    pointer-events: none !important;
  }
  body.sidebar-collapsed .adminnav {
    left: 14px !important;
    width: calc(var(--systjem-nav-width) - 28px) !important;
    transform: translate3d(calc(-100% - 28px),0,0) !important;
    opacity: 0 !important;
    pointer-events: none !important;
  }
  body.sidebar-collapsed .admin-wrap {
    margin-left: 0 !important;
    padding-left: 36px !important;
  }
  body.sidebar-collapsed .session-topbar { left: 0 !important; }
  body.sidebar-collapsed #sidebarToggle {
    left: 12px !important;
    top: 18px !important;
  }
}

/* iPhone en iPad staand */
@media (max-width: 900px) {
  html,body { max-width: 100%; overflow-x: hidden; }
  body { -webkit-text-size-adjust: 100%; }

  .session-topbar { display: none !important; }
  .admin-hero {
    position: sticky !important;
    top: 0 !important;
    width: 100% !important;
    min-height: calc(60px + env(safe-area-inset-top)) !important;
    padding-top: env(safe-area-inset-top) !important;
    z-index: 240 !important;
    background: linear-gradient(135deg,#20231f,#2a2e28) !important;
    border-bottom: 1px solid rgba(255,255,255,.08) !important;
    box-shadow: 0 8px 24px rgba(20,24,19,.13) !important;
  }
  .admin-hero-inner {
    min-height: 60px !important;
    padding: 8px 12px !important;
    align-items: center !important;
    gap: 9px !important;
  }
  .brand {
    min-width: 0 !important;
    flex: 1 1 auto !important;
    gap: 9px !important;
  }
  .brand-logo-pair {
    display: grid !important;
    grid-template-columns: 35px 35px !important;
    gap: 5px !important;
    width: 75px !important;
    flex: 0 0 75px !important;
  }
  .brand-logo-pair .brand-logo {
    width: 35px !important;
    height: 35px !important;
    min-width: 35px !important;
    max-width: 35px !important;
    border-radius: 9px !important;
    object-fit: contain !important;
  }
  .brand-copy { min-width: 0 !important; }
  .brand-copy strong {
    display: block !important;
    color: #fff !important;
    font-size: 15px !important;
    line-height: 1.05 !important;
  }
  .brand-copy small {
    display: block !important;
    max-width: min(42vw,230px) !important;
    color: #c9ad7a !important;
    font-size: 8px !important;
    letter-spacing: .09em !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    white-space: nowrap !important;
  }
  body.admin-sidebar-on .admin-actions {
    display: flex !important;
    flex: 0 0 auto !important;
    margin: 0 0 0 auto !important;
    align-items: center !important;
  }
  .company-chip,.desktop-logout,#sidebarToggle { display: none !important; }
  .mobile-nav-toggle {
    display: grid !important;
    place-items: center !important;
    width: 44px !important;
    height: 44px !important;
    min-height: 44px !important;
    margin: 0 !important;
    padding: 10px !important;
    border-radius: 12px !important;
    border: 1px solid rgba(255,255,255,.16) !important;
    background: rgba(255,255,255,.07) !important;
    box-shadow: none !important;
  }
  .mobile-nav-toggle span {
    width: 21px !important;
    height: 2px !important;
    margin: 3px auto !important;
    background: #fff !important;
    transition: transform 220ms ease,opacity 160ms ease !important;
  }
  body.mobile-nav-open .mobile-nav-toggle span:nth-child(1) { transform: translateY(5px) rotate(45deg) !important; }
  body.mobile-nav-open .mobile-nav-toggle span:nth-child(2) { opacity: 0 !important; }
  body.mobile-nav-open .mobile-nav-toggle span:nth-child(3) { transform: translateY(-5px) rotate(-45deg) !important; }

  #primaryAdminNav.adminnav {
    display: block !important;
    position: fixed !important;
    z-index: 260 !important;
    inset: 0 auto 0 0 !important;
    width: min(87vw,340px) !important;
    height: 100dvh !important;
    margin: 0 !important;
    padding: calc(78px + env(safe-area-inset-top)) 15px calc(24px + env(safe-area-inset-bottom)) !important;
    border: 0 !important;
    border-right: 1px solid rgba(255,255,255,.08) !important;
    border-radius: 0 22px 22px 0 !important;
    background: linear-gradient(180deg,#20231f,#292d27) !important;
    box-shadow: 20px 0 56px rgba(15,18,14,.30) !important;
    overflow-y: auto !important;
    overflow-x: hidden !important;
    overscroll-behavior: contain;
    transform: translate3d(-104%,0,0) !important;
    opacity: .98 !important;
    will-change: transform;
  }
  body.mobile-nav-open #primaryAdminNav { transform: translate3d(0,0,0) !important; }
  #primaryAdminNav .nav-main {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 3px !important;
    align-items: stretch !important;
  }
  #primaryAdminNav .btn,
  #primaryAdminNav .btn.light,
  #primaryAdminNav .btn.green,
  #primaryAdminNav .primary {
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: 100% !important;
    min-height: 49px !important;
    padding: 12px 14px !important;
    border: 0 !important;
    border-radius: 10px !important;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--systjem-nav-text) !important;
    font-size: 15px !important;
    text-align: left !important;
    transform: none !important;
  }
  #primaryAdminNav .btn:hover,
  #primaryAdminNav .btn:active { background: rgba(255,255,255,.06) !important; color: #fff !important; }
  #primaryAdminNav .btn.green,
  #primaryAdminNav .primary {
    color: var(--systjem-nav-active) !important;
    font-weight: 900 !important;
    box-shadow: inset 3px 0 0 var(--systjem-nav-active) !important;
  }

  .mobile-nav-overlay {
    display: block !important;
    position: fixed !important;
    inset: 0 !important;
    z-index: 250 !important;
    background: rgba(18,21,17,.44) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    backdrop-filter: blur(3px);
  }
  body.mobile-nav-open .mobile-nav-overlay {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
  }
  body.mobile-nav-open { overflow: hidden !important; }

  .admin-wrap {
    width: 100% !important;
    margin-left: 0 !important;
    padding: 16px 12px calc(30px + env(safe-area-inset-bottom)) !important;
  }
  .wrap { padding-left: 12px !important; padding-right: 12px !important; }
  .card,.modal,.student-card,.setting-card,.connection-card,.private-calendar-settings {
    padding: 16px !important;
    border-radius: 15px !important;
    box-shadow: 0 8px 24px rgba(25,30,24,.06) !important;
  }
  .module-heading,.material-header,.calhead,.calendar-toolbar,.settings-title,.private-calendar-head,.modern-postit-head,.postit-footer {
    align-items: stretch !important;
    flex-direction: column !important;
    gap: 10px !important;
  }
  .module-heading h1,.module-heading h2 { font-size: clamp(25px,7vw,32px) !important; }

  input,select,textarea {
    width: 100% !important;
    min-height: 48px !important;
    padding: 12px 13px !important;
    font-size: 16px !important;
  }
  textarea { min-height: 128px !important; }
  .btn,.primary,button,.section-nav a {
    min-height: 46px !important;
    padding: 11px 14px !important;
    font-size: 15px !important;
    touch-action: manipulation;
  }
  input[type=checkbox],input[type=radio] {
    min-height: auto !important;
    width: 22px !important;
    height: 22px !important;
    padding: 0 !important;
    flex: 0 0 22px;
  }
  dialog,.modal,[role=dialog] { max-height: calc(100dvh - 24px) !important; overflow-y: auto !important; }
  .table { display: block !important; max-width: 100% !important; overflow-x: auto !important; -webkit-overflow-scrolling: touch; }
  .section-nav { overflow-x: auto !important; flex-wrap: nowrap !important; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .section-nav::-webkit-scrollbar { display:none; }
  .section-nav a { flex: 0 0 auto; white-space: nowrap; }
  .layout,.two,.three,.settings-grid,.calendar-connections,.student-info-grid,.student-dashboard-grid,.combined-goals-grid,.dashboard-grid,.butcher-dashboard-grid,.thumb-editor-grid,.booking-page,.private-calendar-row,.override-form {
    grid-template-columns: 1fr !important;
  }
  .student-grid,.games-admin-grid,.emil-lessons-grid { grid-template-columns: 1fr !important; }
  .lessonmaker-shell { border-radius: 16px !important; }
  .lessonmaker-frame { min-height: 980px !important; height: 1100px !important; }
}

/* iPad: waar mogelijk twee rustige kolommen. */
@media (min-width: 680px) and (max-width: 900px) {
  .student-grid,.games-admin-grid,.lessonbook-folder-grid,.lessonbook-material-grid,.emil-lessons-grid {
    grid-template-columns: repeat(2,minmax(0,1fr)) !important;
  }
  .settings-grid,.calendar-connections,.dashboard-grid {
    grid-template-columns: repeat(2,minmax(0,1fr)) !important;
  }
  .settings-grid > .full,.settings-grid > [style*="grid-column"] { grid-column: 1 / -1 !important; }
  .admin-wrap { padding-left: 20px !important; padding-right: 20px !important; }
}

@media (max-width: 430px) {
  .brand-logo-pair {
    grid-template-columns: 33px 33px !important;
    width: 71px !important;
    flex-basis: 71px !important;
  }
  .brand-logo-pair .brand-logo {
    width: 33px !important;
    height: 33px !important;
    min-width: 33px !important;
    max-width: 33px !important;
  }
  .brand-copy small { max-width: 105px !important; }
  .admin-wrap { padding-left: 10px !important; padding-right: 10px !important; }
  .card,.modal,.student-card,.setting-card { padding: 14px !important; }
}

@media print { .systjem-loader { display:none !important; } }


/* SYSTJEM 11.2.2 — header, boekingslogo en agenda-afwerking */
.session-topbar {
  box-sizing: border-box !important;
  min-width: 0 !important;
  overflow: visible !important;
}
.session-topbar .session-identity {
  min-width: 0 !important;
  margin-left: auto !important;
}
.session-topbar .session-identity strong {
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
}
.session-actions {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-end !important;
  gap: 8px !important;
  min-width: 0 !important;
  flex: 0 0 auto !important;
}
.session-actions .session-logout {
  white-space: nowrap !important;
}

.booking-logo-pair .company-logo[src*="emils-gitaarles-plectrum"] {
  background: transparent !important;
  border: 0 !important;
  object-fit: contain !important;
  padding: 0 !important;
}
.booking-brand-hero .hero-inner {
  overflow: visible !important;
}
.booking-brand-hero p br { display: block; }

/* Agenda: meer hoogte en beter contrast. */
.calendar-card.calendar-span-two .day {
  min-height: 178px !important;
  padding: 11px 9px !important;
}
.calendar-card.calendar-span-week .day {
  min-height: 220px !important;
}
.calendar-card .day > strong {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 25px !important;
  min-height: 25px !important;
  color: #252a25 !important;
  font-weight: 850 !important;
}
.calendar-card .eventlink { text-decoration: none !important; }
.calendar-card .event {
  min-height: 29px !important;
  padding: 6px 8px !important;
  border-radius: 7px !important;
  font-size: 12px !important;
  font-weight: 800 !important;
  line-height: 1.28 !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  white-space: nowrap !important;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12) !important;
}
.calendar-card .event.confirmed {
  background: #3f6248 !important;
  color: #fff !important;
}
.calendar-card .event.new,
.calendar-card .event.awaiting_payment {
  background: #9b642d !important;
  color: #fff !important;
}
.calendar-card .event.external {
  background: #3f6275 !important;
  color: #fff !important;
}
.calendar-card .event.reserved {
  background: #65537e !important;
  color: #fff !important;
}
.calendar-card .event.cancelled {
  background: #934848 !important;
  color: #fff !important;
}
.calendar-card .event:hover {
  filter: brightness(1.08) !important;
  transform: translateY(-1px) !important;
}
.calendar-card .weekno {
  background: #ece8de !important;
  color: #5f4a2f !important;
  font-weight: 900 !important;
}

/* Kleine performancewinst bij lange bibliotheken. */
.student-card,
.lessonbook-card,
.lessonbook-folder,
.game-card {
  content-visibility: auto;
  contain-intrinsic-size: 220px;
}

@media (min-width: 901px) {
  body.admin-sidebar-on .admin-wrap,
  body.admin-sidebar-on.sidebar-collapsed .admin-wrap {
    padding-top: 104px !important;
  }
  body.admin-sidebar-on .session-topbar {
    min-height: 66px !important;
    padding: 10px 18px !important;
    gap: 14px !important;
  }
  body.admin-sidebar-on .session-topbar #sidebarToggle {
    position: static !important;
    inset: auto !important;
    left: auto !important;
    top: auto !important;
    flex: 0 0 42px !important;
    width: 42px !important;
    height: 42px !important;
    margin: 0 auto 0 0 !important;
    transform: none !important;
    z-index: auto !important;
  }
  body.admin-sidebar-on .session-topbar #sidebarToggle:hover {
    transform: translateY(-1px) !important;
  }
  body.admin-sidebar-on .session-topbar .session-identity {
    flex: 0 1 auto !important;
  }
  body.admin-sidebar-on .session-topbar .session-identity strong {
    max-width: 190px !important;
  }
}

@media (min-width: 901px) and (max-width: 1180px) {
  .session-topbar { padding-right: 10px !important; gap: 9px !important; }
  .session-identity { gap: 12px !important; }
  .session-topbar .session-identity strong { max-width: 125px !important; }
  .session-actions .session-logout { padding: 8px 10px !important; font-size: 13px !important; }
}

@media (max-width: 900px) {
  .calendar-card.calendar-span-two .day,
  .calendar-card.calendar-span-week .day {
    min-height: 145px !important;
  }
  .calendar-card .event {
    font-size: 11px !important;
    padding: 6px !important;
  }
  .booking-brand-hero p br { display: none; }
}