:root {
  --primary: #1a56db;
  --primary-dark: #1241a8;
  --primary-light: #e8f0fe;
  --primary-gradient: linear-gradient(135deg, #1a56db, #0e3bab);
  --danger: #e02424;
  --danger-light: #fef2f2;
  --success: #057a55;
  --success-light: #f0fdf4;
  --warning: #e3a008;
  --warning-light: #fffbeb;
  --surface: #ffffff;
  --surface-glass: rgba(255,255,255,0.85);
  --bg: #f3f4f6;
  --border: #e5e7eb;
  --text: #111827;
  --text-secondary: #6b7280;
  --radius: 8px;
  --radius-sm: 8px;
  --radius-lg: 12px;
  --shadow: 0 1px 2px rgba(15,23,42,0.06), 0 1px 1px rgba(15,23,42,0.04);
  --shadow-md: 0 6px 18px rgba(15,23,42,0.08);
  --shadow-lg: 0 18px 42px rgba(15,23,42,0.12);
  --sidebar-width: 260px;
  --sidebar-collapsed: 0px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

*, ::before, ::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  font-family: var(--font);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.5;
  margin: 0;
  padding-bottom: calc(76px + env(safe-area-inset-bottom, 0));
  min-height: 100vh;
}

/* ─── LAYOUT ─── */
.page-wrap { max-width: 480px; margin: 0 auto; padding: 0; }
#main-content {
  min-height: calc(100vh - 57px);
}
#maincontent {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 12px 96px !important;
}
.feed-section {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 12px 18px;
}
.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 16px 16px 8px;
}

/* ─── TOP BAR ─── */
.top-bar {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  min-height: 58px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(229,231,235,0.5);
}
.top-bar-brand { display: flex; align-items: center; gap: 10px; }
.top-bar-icon {
  width: 34px; height: 34px;
  background: var(--primary-gradient);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 0.95rem;
  box-shadow: 0 2px 8px rgba(26,86,219,0.25);
}
.top-bar-title { font-size: 0.95rem; font-weight: 700; line-height: 1.2; }
.top-bar-sub { font-size: 0.68rem; color: var(--text-secondary); }
.top-bar-actions { display: flex; align-items: center; gap: 6px; }
.top-bar-avatar {
  width: 32px; height: 32px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 0.75rem; font-weight: 700;
  box-shadow: 0 2px 6px rgba(26,86,219,0.2);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
}
.top-bar-avatar:active { transform: scale(0.92); }

/* ─── BOTTOM NAV ─── */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(229,231,235,0.6);
  display: flex;
  z-index: 200;
  min-height: 64px;
  padding: 0;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 7px 4px 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.6rem;
  font-weight: 600;
  gap: 1px;
  cursor: pointer;
  transition: color 0.15s;
  -webkit-tap-highlight-color: transparent;
  border: none;
  background: none;
  position: relative;
}
.nav-item i { font-size: 1.2rem; transition: transform var(--transition); }
.nav-item span { transition: color var(--transition); }
.nav-item::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 24px; height: 3px;
  background: var(--primary);
  border-radius: 0 0 4px 4px;
  transition: transform var(--transition);
}
.nav-item.active { color: var(--primary); }
.nav-item.active::before { transform: translateX(-50%) scaleX(1); }
.nav-item.active i { transform: translateY(-1px); }
.nav-item:active { opacity: 0.7; }

/* ─── ROOM TILES (DENAH) ─── */
.lantai-container { margin-bottom: 16px; padding: 0 12px; }
.lantai-title { font-size: 0.85rem; font-weight: 700; color: var(--text); }
.room-container { display: inline-flex; flex-direction: column; gap: 6px; }
.room-row { display: flex; gap: 6px; flex-wrap: wrap; justify-content: center; }
.room-tile {
  width: 64px; height: 64px;
  border-radius: var(--radius-sm);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700;
  cursor: pointer; position: relative;
  transition: transform 0.12s, box-shadow 0.12s;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  border: 2px solid transparent;
}
.room-tile:active { transform: scale(0.93); }
.room-tile .room-number { font-size: 0.75rem; font-weight: 800; }
.room-tile .room-icon { font-size: 1rem; margin-bottom: 1px; }
.room-tile.room-empty { background: #f3f4f6; border-color: #e5e7eb; color: #9ca3af; }
.room-tile.room-occupied { background: var(--danger-light); border-color: var(--danger); color: var(--danger); }
.room-tile.room-paid { background: var(--success-light); border-color: var(--success); color: var(--success); }
.room-tile.room-waiting { background: var(--warning-light); border-color: var(--warning); color: #92400e; }
.room-tile.room-vacant { background: #f9fafb; border-color: #d1d5db; color: var(--text-secondary); }

/* ─── ROOM CARDS (LIST VIEW) ─── */
.room-card {
  background: var(--surface);
  border-radius: var(--radius);
  margin: 0 12px 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border-left: 4px solid var(--border);
  cursor: pointer;
  transition: transform 0.12s;
  -webkit-tap-highlight-color: transparent;
}
.room-card:active { transform: scale(0.99); }
.room-card.s-overdue { border-left-color: var(--danger); }
.room-card.s-active { border-left-color: var(--success); }
.room-card.s-empty { border-left-color: #9ca3af; }
.rc-header { display: flex; align-items: flex-start; justify-content: space-between; padding: 14px 16px 10px; }
.room-num { font-size: 1rem; font-weight: 800; }
.room-occ { font-size: 0.78rem; color: var(--text-secondary); margin-top: 2px; }
.room-stats { display: grid; grid-template-columns: repeat(2,1fr); gap: 1px; background: var(--border); }
.room-stats > * { background: var(--surface); padding: 10px 16px; }
.stat-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-secondary); font-weight: 600; margin-bottom: 3px; }
.stat-value { font-size: 0.82rem; font-weight: 600; }
.stat-value.c-danger { color: var(--danger); }
.stat-value.c-success { color: var(--success); }

/* ─── CARDS ─── */
.card { border: none; border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 12px; }
.card {
  border: 1px solid rgba(226,232,240,0.85);
  overflow: hidden;
}
.card-header { font-weight: 700; font-size: 0.9rem; padding: 12px 16px; }
.card-body { padding: 14px 16px; }

/* ─── BUTTONS ─── */
.btn {
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 8px 16px;
  font-size: 0.85rem;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}
.btn-sm { padding: 6px 10px; font-size: 0.78rem; min-height: 36px; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:active { background: var(--primary-dark) !important; border-color: var(--primary-dark) !important; }

/* ─── FORMS ─── */
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border-color: var(--border);
  font-size: 0.85rem;
  padding: 9px 12px;
  min-height: 42px;
}
.form-control-sm, .form-select-sm { min-height: 38px; }
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,86,219,0.15); }
.form-label { font-size: 0.78rem; font-weight: 600; margin-bottom: 4px; }

/* ─── STATUS PILLS ─── */
.pill {
  font-size: 0.7rem; font-weight: 700; padding: 4px 10px; border-radius: 20px; white-space: nowrap;
}
.pill-overdue { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.pill-active { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.pill-empty { background: #f9fafb; color: #6b7280; border: 1px solid var(--border); }

/* ─── SUMMARY CARDS ─── */
.summary-strip { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; padding: 14px 12px 8px; }
.sum-card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 12px 10px;
  box-shadow: var(--shadow);
  text-align: center;
}
.sum-card .val { font-size: 1.4rem; font-weight: 800; line-height: 1; }
.sum-card .lbl { font-size: 0.65rem; color: var(--text-secondary); margin-top: 4px; font-weight: 500; }
.sum-card.c-primary .val { color: var(--primary); }
.sum-card.c-success .val { color: var(--success); }
.sum-card.c-danger .val { color: var(--danger); }

/* ─── STATUS INDICATORS ─── */
.status-indicators {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding: 12px 12px 4px; font-size: 0.7rem;
}
.status-badge { padding: 3px 10px; border-radius: 12px; font-weight: 600; font-size: 0.7rem; }

/* ─── FILTER CHIPS ─── */
.filter-bar {
  display: flex; gap: 8px; padding: 8px 12px;
  overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }
.filter-chip {
  padding: 6px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 600;
  border: 1.5px solid var(--border); background: var(--surface);
  color: var(--text-secondary); cursor: pointer; white-space: nowrap;
  transition: all 0.15s; -webkit-tap-highlight-color: transparent;
}
.filter-chip.active { background: var(--primary); border-color: var(--primary); color: white; }
.filter-chip.fc-danger.active { background: var(--danger); border-color: var(--danger); }
.filter-chip.fc-success.active { background: var(--success); border-color: var(--success); }

/* ─── MODAL ─── */
.modal-content { border-radius: var(--radius-lg); border: none; box-shadow: var(--shadow-lg); }
.modal-header { border-bottom: 1px solid var(--border); padding: 16px 20px 12px; }
.modal-title { font-size: 1rem; font-weight: 700; }
.modal-body { padding: 16px 20px; }
.modal-footer { border-top: 1px solid var(--border); padding: 12px 20px; }
.modal-backdrop { background: rgba(0,0,0,0.5); }

/* ─── TABLES ─── */
.table { font-size: 0.82rem; margin-bottom: 0; }
.table > :not(:first-child) { border-top: none; }
.table-responsive {
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius);
}
.table th {
  color: #475569;
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.table td { vertical-align: middle; }

/* ─── TOAST / NOTIFICATION ─── */
.toast-container { z-index: 9999; }
.toast { border-radius: var(--radius-sm); }

/* ─── TAGS ─── */
.jt-list { display: flex; flex-wrap: wrap; gap: 5px; }
.jt-tag {
  font-size: 0.7rem; font-weight: 600; padding: 3px 9px;
  background: var(--danger-light); color: var(--danger);
  border: 1px solid #fecaca; border-radius: 12px;
}

/* ─── LOADING ─── */
.loading-state { text-align: center; padding: 60px 20px; color: var(--text-secondary); }
.spinner-custom {
  width: 36px; height: 36px; border: 3px solid var(--border);
  border-top-color: var(--primary); border-radius: 50%;
  animation: spin 0.7s linear infinite; margin: 0 auto 14px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── RESPONSIVE ─── */
@media (min-width: 768px) {
  body { padding-bottom: 0; }
  #maincontent { padding: 20px 24px 24px !important; }
  .feed-section { padding: 0 24px 24px; }
  .page-wrap { max-width: 100%; padding: 0 24px; }
  .mobile-only { display: none !important; }
  .bottom-nav { display: none; }
  .room-container { gap: 8px; }
  .room-tile { width: 80px; height: 80px; font-size: 0.85rem; }
  .summary-strip { gap: 16px; padding: 20px 24px 12px; }
  .w-sm-auto { width: auto !important; }
}

@media (max-width: 400px) {
  .room-tile { width: 56px; height: 56px; font-size: 0.65rem; }
  .room-tile .room-number { font-size: 0.65rem; }
  .summary-strip .val { font-size: 1.1rem; }
}

/* ─── SIDEBAR ENHANCEMENTS ─── */
.sidebar-menu li a {
  position: relative;
  border-left: 3px solid transparent;
}
.sidebar-menu li a::after {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 3px; height: 60%;
  background: var(--primary-gradient);
  border-radius: 0 3px 3px 0;
  transition: transform var(--transition);
}
.sidebar-menu li a:hover::after,
.sidebar-menu li a.active::after {
  transform: translateY(-50%) scaleY(1);
}
.sidebar-menu li a:hover, .sidebar-menu li a.active {
  background: linear-gradient(90deg, var(--primary-light), transparent);
  color: var(--primary);
}
.sidebar-menu li a i {
  transition: transform var(--transition);
  font-size: 1.05rem;
}
.sidebar-menu li a:hover i {
  transform: scale(1.1);
}

/* ─── MODERN SCROLLBAR ─── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #9ca3af; }

/* ─── DEMO BANNER ─── */
.demo-banner {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff;
  text-align: center;
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 9999;
  box-shadow: 0 2px 8px rgba(217,119,6,0.3);
}

/* App polish and mobile ergonomics */
.bg-primary, .btn-primary {
  background-color: var(--primary) !important;
  border-color: var(--primary) !important;
}
.bg-success, .btn-success {
  background-color: var(--success) !important;
  border-color: var(--success) !important;
}
.bg-danger, .btn-danger {
  background-color: var(--danger) !important;
  border-color: var(--danger) !important;
}
.card-header.bg-primary,
.card-header.bg-success,
.card-header.bg-danger,
.card-header.bg-dark {
  border-bottom: 0;
}
.alert {
  border-radius: var(--radius);
}
.accordion-item {
  border-radius: var(--radius) !important;
  overflow: hidden;
}
.accordion-button {
  font-weight: 650;
}
.accordion-button:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26,86,219,0.14);
}
.input-group-text {
  border-color: var(--border);
  color: var(--text-secondary);
  font-weight: 600;
}
.sticky-mobile-actions {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.form-action-bar {
  border-top: 1px solid var(--border);
}
.touch-actions .btn,
.btn-group-sm > .btn {
  min-width: 38px;
}
.data-summary-card {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

@media (max-width: 767.98px) {
  body {
    background: #f8fafc;
  }
  #maincontent {
    padding: 12px 10px 98px !important;
  }
  .feed-section {
    padding: 0 10px 18px;
  }
  .card {
    margin-bottom: 10px;
  }
  .card-header {
    padding: 12px 14px;
  }
  .card-body {
    padding: 12px 14px;
  }
  .card-body.p-0 {
    padding: 0 !important;
  }
  .form-action-bar {
    display: grid !important;
    grid-template-columns: 1fr;
    gap: 8px !important;
    margin: 16px 0 0;
    padding: 12px 0 0;
    background: var(--surface);
  }
  .form-action-bar .btn {
    width: 100%;
  }
  .modal-dialog {
    margin: 10px;
  }
  .modal-dialog-scrollable .modal-content {
    max-height: calc(100vh - 20px);
  }
  .modal-footer {
    position: sticky;
    bottom: 0;
    z-index: 2;
    background: var(--surface);
  }
  .modal-footer .btn {
    flex: 1 1 100%;
  }
  .toast-container {
    left: 10px !important;
    right: 10px !important;
    top: 10px !important;
    padding: 0 !important;
  }
  .toast {
    width: 100%;
  }
}

@media (max-width: 575.98px) {
  .top-bar-title {
    font-size: 0.9rem;
  }
  .top-bar-sub {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .summary-strip {
    gap: 8px;
    padding: 12px 10px 6px;
  }
  .sum-card {
    padding: 10px 8px;
  }
  .sum-card .val {
    font-size: 1.18rem;
  }
  .filter-chip {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
  }
  .table-responsive {
    overflow: visible;
  }
  .table-mobile-cards {
    display: block;
    width: 100%;
    border: 0;
    background: transparent;
  }
  .table-mobile-cards thead {
    display: none;
  }
  .table-mobile-cards tbody,
  .table-mobile-cards tr,
  .table-mobile-cards td {
    display: block;
    width: 100%;
  }
  .table-mobile-cards tr {
    margin: 0 0 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    overflow: hidden;
  }
  .table-mobile-cards td {
    display: flex !important;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    min-height: 42px;
    padding: 10px 12px !important;
    border: 0 !important;
    border-bottom: 1px solid #eef2f7 !important;
    text-align: right !important;
    white-space: normal !important;
  }
  .table-mobile-cards td.d-none {
    display: none !important;
  }
  .table-mobile-cards td:last-child {
    border-bottom: 0 !important;
  }
  .table-mobile-cards td::before {
    content: attr(data-label);
    flex: 0 0 42%;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-align: left;
    text-transform: uppercase;
  }
  .table-mobile-cards td[data-empty-label="1"],
  .table-mobile-cards td[colspan] {
    display: block !important;
    text-align: center !important;
  }
  .table-mobile-cards td[data-empty-label="1"]::before,
  .table-mobile-cards td[colspan]::before {
    content: none;
  }
  .table-mobile-cards td[data-label="Aksi"],
  .table-mobile-cards td[data-label="Action"] {
    align-items: center;
  }
  .table-mobile-cards td[data-label="Aksi"] .btn-group,
  .table-mobile-cards td[data-label="Action"] .btn-group {
    justify-content: flex-end;
    width: 100%;
  }
  .table-mobile-cards .btn-group .btn {
    flex: 1 1 auto;
  }
  .table-mobile-cards .badge {
    white-space: normal;
  }
  .modal-dialog:not(.modal-sm) {
    margin: 0;
    min-height: 100%;
    display: flex;
    align-items: flex-end;
  }
  .modal-dialog:not(.modal-sm) .modal-content {
    max-height: 92vh;
    border-radius: 16px 16px 0 0;
  }
}