/* ═══════════════════════════════════════════════
   HUY GYM — Main Stylesheet
   Tách từ index.html để dễ maintain
   ═══════════════════════════════════════════════ */

/* ── CSS Variables / Design Tokens ── */
:root {
  /* Backgrounds */
  --bg-app:     #f4f6fb;
  --bg-sidebar: #ffffff;
  --bg-card:    #ffffff;
  --bg-input:   #f8f9fc;
  --bg-hover:   #f0f3fa;

  /* Borders */
  --border:  #e5e9f2;
  --border2: #d0d7e8;

  /* Brand colors */
  --purple:      #6c47ff;
  --purple-soft: rgba(108,71,255,.09);
  --purple-mid:  rgba(108,71,255,.18);
  --purple-dark: #5235d4;

  /* Status colors */
  --green:       #0ea868;
  --green-soft:  rgba(14,168,104,.1);
  --orange:      #f59e0b;
  --orange-soft: rgba(245,158,11,.1);
  --red:         #ef4444;
  --red-soft:    rgba(239,68,68,.1);
  --gray:        #64748b;
  --gray-soft:   rgba(100,116,139,.1);

  /* Text scale */
  --t0: #0f172a;
  --t1: #475569;
  --t2: #94a3b8;
  --t3: #cbd5e1;

  /* Typography */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body:    'DM Sans', 'Segoe UI', sans-serif;

  /* Radius */
  --radius:    10px;
  --radius-lg: 14px;

  /* Sidebar width */
  --sidebar-width: 220px;
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  background: var(--bg-app);
  color: var(--t0);
  font-family: var(--font-body);
  overflow: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--t2); }

/* ═══════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════ */
.app {
  display: flex;
  height: 100vh;
}

/* ═══════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════ */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Logo */
.logo {
  padding: 18px 16px 14px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 38px; height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, #6c47ff, #9b6fff);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(108,71,255,.32);
}
.logo-name {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 800;
  color: var(--t0);
}
.logo-sub { font-size: 10px; color: var(--t2); margin-top: 1px; }

/* Navigation */
.nav {
  flex: 1;
  padding: 8px 10px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.nav-section-label {
  padding: 10px 8px 4px;
  font-size: 9.5px;
  color: var(--t2);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  cursor: pointer;
  transition: all .15s;
  border-radius: 8px;
  font-size: 13px;
  color: var(--t1);
  font-weight: 500;
}
.nav-item:hover { background: var(--bg-hover); color: var(--t0); }
.nav-item.active { background: var(--purple-soft); color: var(--purple); font-weight: 600; }
.nav-item .nav-icon {
  font-size: 15px; width: 20px;
  text-align: center; flex-shrink: 0;
  color: var(--t2); transition: color .15s;
}
.nav-item:hover .nav-icon { color: var(--t0); }
.nav-item.active .nav-icon { color: var(--purple); }

/* Sidebar compose button */
.nav-compose {
  display: flex; align-items: center; gap: 10px;
  margin: 10px 10px 4px;
  padding: 12px 16px;
  background: #e8f0fe;
  border-radius: 14px;
  cursor: pointer;
  font-size: 13.5px; font-weight: 700;
  color: #1a1a2e;
  box-shadow: 0 2px 8px rgba(108,71,255,.15);
  transition: all .18s;
}
.nav-compose:hover {
  background: #d4e3fc;
  box-shadow: 0 4px 14px rgba(108,71,255,.25);
  transform: translateY(-1px);
}
.nav-compose:active { transform: scale(.97); }
.nav-compose .nav-icon { font-size: 18px; width: 22px; text-align: center; flex-shrink: 0; }

/* Sidebar footer */
.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border); }
.clock {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--t0);
  font-weight: 700;
}
.clock-date { font-size: 10px; color: var(--t2); margin-top: 2px; }
.firebase-status {
  display: flex; align-items: center;
  gap: 5px; font-size: 10px;
  color: var(--t2); margin-top: 6px;
}
.firebase-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--t3);
  flex-shrink: 0;
  transition: background .3s;
}
.firebase-dot.online  { background: var(--green);  animation: pulse 2s ease infinite; }
.firebase-dot.syncing { background: var(--orange); animation: pulse .8s ease infinite; }
.firebase-dot.error   { background: var(--red); }
@keyframes pulse { 0%,100% { opacity:1 } 50% { opacity:.3 } }
.app-version { font-size: 9px; color: var(--t3); margin-top: 4px; }

/* ═══════════════════════════════════════════════
   MAIN AREA
   ═══════════════════════════════════════════════ */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

/* ── Topbar ── */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.breadcrumb {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  color: var(--t0);
}
.breadcrumb span {
  color: var(--t2);
  font-weight: 400;
  font-family: var(--font-body);
  font-size: 12px;
  margin-left: 4px;
}

/* Search bar */
.search-wrap { margin-left: auto; position: relative; flex-shrink: 0; }
.search-wrap input {
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  color: var(--t0);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 14px 7px 36px;
  border-radius: 99px;
  width: 230px;
  outline: none;
  transition: all .2s;
}
.search-wrap input:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(108,71,255,.1);
  background: #fff;
}
.search-wrap input::placeholder { color: var(--t2); }
.search-icon {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  color: var(--t2);
  font-size: 14px;
  pointer-events: none;
}

/* User badge */
.user-badge {
  display: flex; align-items: center; gap: 7px;
  cursor: pointer;
  background: #f8f9fc;
  border: 1.5px solid var(--border2);
  border-radius: 99px;
  padding: 4px 10px 4px 6px;
  transition: all .15s;
  flex-shrink: 0;
}
.user-badge:hover { border-color: var(--purple); background: rgba(108,71,255,.05); }
.user-avatar {
  width: 26px; height: 26px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800;
  color: #fff; flex-shrink: 0;
}
.user-name-display { font-size: 11.5px; font-weight: 700; color: var(--t0); }
.user-role-display { font-size: 9.5px; color: var(--t2); letter-spacing: .3px; }

/* Role badges */
.role-admin {
  background: rgba(108,71,255,.1); color: var(--purple);
  border: 1px solid rgba(108,71,255,.2);
  border-radius: 5px; padding: 1px 6px;
  font-size: 9.5px; font-weight: 700;
}
.role-user {
  background: rgba(14,168,104,.1); color: var(--green);
  border: 1px solid rgba(14,168,104,.2);
  border-radius: 5px; padding: 1px 6px;
  font-size: 9.5px; font-weight: 700;
}

/* ── PWA Banners ── */
#pwa-banner {
  display: none;
  align-items: center; gap: 10px;
  background: linear-gradient(90deg, #6c47ff, #9b6fff);
  padding: 8px 20px; font-size: 12px;
  color: #fff; flex-shrink: 0;
}
#pwa-banner.show { display: flex; }
#pwa-banner b { font-weight: 700; }
.pwa-install-btn {
  margin-left: auto;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.4);
  color: #fff; padding: 4px 12px;
  border-radius: 99px; font-size: 11.5px;
  font-weight: 600; cursor: pointer;
  transition: background .15s;
  font-family: var(--font-body); flex-shrink: 0;
}
.pwa-install-btn:hover { background: rgba(255,255,255,.35); }
.pwa-dismiss-btn {
  background: none; border: none;
  color: rgba(255,255,255,.6);
  cursor: pointer; font-size: 16px;
  padding: 0 4px; flex-shrink: 0;
}

#offline-bar {
  display: none;
  background: #fef3c7;
  border-bottom: 1px solid #fcd34d;
  padding: 6px 20px; font-size: 12px;
  color: #92400e;
  align-items: center; gap: 6px; flex-shrink: 0;
}
#offline-bar.show { display: flex; }

/* ── Pages ── */
.page { flex: 1; display: none; flex-direction: column; min-height: 0; overflow: hidden; }
.page.active { display: flex; }

/* ═══════════════════════════════════════════════
   STAT CARDS (Dashboard top row)
   ═══════════════════════════════════════════════ */
.stats-bar {
  display: flex; gap: 10px;
  padding: 16px 24px 0;
  flex-shrink: 0; flex-wrap: wrap;
}
.stat-card {
  flex: 1; min-width: 120px;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 14px;
  display: flex; align-items: center; gap: 12px;
  transition: all .2s; cursor: default;
}
.stat-card:hover {
  border-color: var(--c, var(--purple));
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
  transform: translateY(-1px);
}
.stat-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--ci, var(--purple-soft));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.stat-label {
  font-size: 10px; color: var(--t2);
  text-transform: uppercase;
  letter-spacing: .8px; font-weight: 600;
}
.stat-value {
  font-family: var(--font-heading);
  font-size: 24px; font-weight: 800;
  color: var(--c, var(--purple));
  line-height: 1.1; margin-top: 1px;
}

/* ═══════════════════════════════════════════════
   TABLE AREA
   ═══════════════════════════════════════════════ */
.table-area {
  flex: 1; overflow: hidden;
  display: flex; flex-direction: column;
  padding: 12px 24px 16px;
  min-height: 0; gap: 12px;
}

/* Filter Bar */
.filter-bar {
  display: flex; align-items: center;
  gap: 8px; flex-shrink: 0; flex-wrap: wrap;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 14px;
}
.filter-bar-title {
  font-family: var(--font-heading);
  font-size: 13px; font-weight: 700; color: var(--t0);
}
.filter-sep { width: 1px; height: 18px; background: var(--border); flex-shrink: 0; }
.row-count-hint { font-size: 11px; color: var(--t2); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 6px 13px;
  border-radius: 8px;
  border: 1.5px solid transparent;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 12.5px; font-weight: 600;
  transition: all .15s; white-space: nowrap;
}
.btn:active { transform: scale(.96); }

/* Button variants */
.btn-primary   { background: var(--purple); color: #fff; border-color: var(--purple); }
.btn-primary:hover { background: var(--purple-dark); box-shadow: 0 4px 12px rgba(108,71,255,.28); }
.btn-secondary { background: #fff; color: var(--t1); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--purple); color: var(--purple); background: var(--purple-soft); }
.btn-danger    { background: #fff; color: var(--red);   border-color: var(--border); }
.btn-danger:hover { border-color: var(--red); background: var(--red-soft); }
.btn-success   { background: #fff; color: var(--green); border-color: var(--border); }
.btn-success:hover { border-color: var(--green); background: var(--green-soft); }
.btn-warning   { background: #fff; color: var(--orange); border-color: var(--border); }
.btn-warning:hover { border-color: var(--orange); background: var(--orange-soft); }

.ml-auto { margin-left: auto; }

/* Filter chips */
.chips-row { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  padding: 5px 12px;
  border-radius: 99px;
  border: 1.5px solid var(--border);
  background: #fff; font-size: 12px;
  font-weight: 600; color: var(--t1);
  cursor: pointer; transition: all .15s; white-space: nowrap;
}
.chip:hover, .chip.active {
  border-color: var(--purple);
  color: var(--purple);
  background: var(--purple-soft);
}

/* Table wrapper */
.table-wrap {
  flex: 1; overflow: auto;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: #fff; min-height: 0;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead { position: sticky; top: 0; z-index: 5; }
thead th {
  background: #fff;
  padding: 10px 14px; text-align: left;
  font-family: var(--font-heading);
  font-size: 10px; font-weight: 700;
  color: var(--t2); text-transform: uppercase;
  letter-spacing: 1.5px;
  border-bottom: 1.5px solid var(--border);
  cursor: pointer; white-space: nowrap;
  user-select: none; transition: color .15s;
}
thead th:hover, thead th.sorted { color: var(--purple); }
thead th .sort-arrow { opacity: .35; margin-left: 2px; font-size: 8px; }
thead th.sorted .sort-arrow { opacity: 1; }

tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background .12s;
  animation: rowFadeIn .2s ease both;
}
@keyframes rowFadeIn { from { opacity:0; transform:translateY(2px) } to { opacity:1; transform:none } }
tbody tr:hover { background: var(--bg-hover); }
td { padding: 10px 14px; white-space: nowrap; vertical-align: middle; color: var(--t1); }

/* Avatar cell */
.avatar-cell { display: flex; align-items: center; gap: 10px; }
.avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--purple-soft), var(--purple-mid));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-heading); font-size: 12px;
  font-weight: 700; color: var(--purple); flex-shrink: 0;
  border: 1.5px solid var(--purple-mid);
}
.member-name  { font-weight: 600; color: var(--t0); font-size: 13px; }
.member-phone { font-size: 11px; color: var(--t2); margin-top: 1px; }

/* Status badges */
.badge {
  display: inline-flex; align-items: center;
  gap: 4px; padding: 3px 10px;
  border-radius: 99px; font-size: 11px; font-weight: 600;
}
.badge-active  { background: var(--green-soft);  color: var(--green);  border: 1px solid rgba(14,168,104,.2); }
.badge-warning { background: var(--orange-soft); color: var(--orange); border: 1px solid rgba(245,158,11,.2); }
.badge-expired { background: var(--red-soft);    color: var(--red);    border: 1px solid rgba(239,68,68,.2); }
.badge-paused  { background: var(--gray-soft);   color: var(--gray);   border: 1px solid rgba(100,116,139,.2); }

/* Action buttons */
.action-cell { display: flex; align-items: center; gap: 4px; }
.action-btn {
  width: 30px; height: 30px; border-radius: 7px;
  border: 1.5px solid var(--border);
  background: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px; color: var(--t2); transition: all .15s;
}
.action-btn:hover { border-color: var(--purple); color: var(--purple); background: var(--purple-soft); }
.action-btn.delete:hover { border-color: var(--red); color: var(--red); background: var(--red-soft); }

/* Colored number cells */
td.days-ok      { color: var(--green); }
td.days-warning { color: var(--orange); }
td.days-expired { color: var(--red); }
td.number-cell  { text-align: center; font-weight: 700; font-family: var(--font-heading); }

/* Selected row highlight */
tr.selected-row { outline: 1.5px solid rgba(108,71,255,.4); outline-offset: -1px; }
tr.selected-row td { background: rgba(108,71,255,.04) !important; }

/* Empty state */
.empty-state {
  display: flex; flex-direction: column;
  align-items: center; padding: 64px;
  color: var(--t2); gap: 10px;
}
.empty-state .empty-icon { font-size: 52px; opacity: .15; }

/* Count animation */
@keyframes countUpdate { from { transform:scale(1.18); opacity:.6 } to { transform:none; opacity:1 } }
.count-updated { animation: countUpdate .3s ease; }

/* ═══════════════════════════════════════════════
   SCROLL PAGES (Thống kê, Biến động, Log)
   ═══════════════════════════════════════════════ */
.scroll-page {
  flex: 1; overflow-y: auto; overflow-x: clip;
  padding: 20px 24px 24px;
  display: flex; flex-direction: column;
  gap: 14px; min-height: 0;
}

/* Section Card */
.section-card {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: visible;
}
.section-card-header {
  padding: 14px 18px;
  border-bottom: 1.5px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.section-card-title {
  font-family: var(--font-heading);
  font-size: 13.5px; font-weight: 700;
  color: var(--t0); flex: 1;
}
.section-card-badge {
  background: var(--bg-input);
  border: 1px solid var(--border2);
  border-radius: 99px;
  padding: 2px 10px;
  font-size: 11px; font-weight: 600; color: var(--t1);
}

/* Summary pills */
.summary-pills {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px; padding: 14px 16px;
}
.summary-pill {
  display: flex; flex-direction: column;
  align-items: center; border-radius: 12px;
  padding: 14px 8px 12px; border: 1.5px solid;
  transition: all .18s; cursor: default; text-align: center;
}
.summary-pill:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.summary-pill .pill-number {
  font-family: var(--font-heading);
  font-size: 28px; font-weight: 800; line-height: 1.1;
}
.summary-pill .pill-label {
  font-size: 10px; font-weight: 700;
  letter-spacing: .6px; text-transform: uppercase;
  margin-top: 5px; opacity: .85; line-height: 1.3;
}
.summary-pill .pill-sub { font-size: 9.5px; margin-top: 3px; opacity: .55; font-weight: 500; }

/* Stats table (inside thongke) */
.stats-table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.stats-table th {
  padding: 9px 14px; text-align: left;
  color: var(--t2); text-transform: uppercase;
  letter-spacing: 1px; font-size: 9.5px;
  background: var(--bg-app); font-weight: 700;
  white-space: nowrap;
  border-bottom: 1.5px solid var(--border);
}
.stats-table th:not(:first-child) { text-align: center; }
.stats-table td {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  white-space: nowrap; color: var(--t1);
}
.stats-table td:not(:first-child) { text-align: center; }
.stats-table tr:hover td { background: var(--bg-hover); }
.stats-table .totals-row td {
  background: rgba(108,71,255,.04);
  font-weight: 700;
  border-top: 2px solid var(--border2);
}
/* Table text colors */
.text-active  { color: var(--green);  font-weight: 600; }
.text-warning { color: var(--orange); font-weight: 600; }
.text-expired { color: var(--red);    font-weight: 600; }
.text-paused  { color: var(--gray); }
.text-total   { color: var(--purple); font-weight: 700; }

/* Revenue bar chart */
.revenue-row { display: flex; align-items: center; gap: 10px; margin-bottom: 7px; }
.revenue-label {
  width: 60px; font-size: 10.5px;
  color: var(--t1); text-align: right;
  flex-shrink: 0; font-weight: 600;
}
.revenue-track {
  flex: 1; height: 22px;
  background: var(--bg-input); border-radius: 7px;
  overflow: hidden; border: 1px solid var(--border);
}
.revenue-bar {
  height: 100%; border-radius: 7px;
  display: flex; align-items: center;
  padding-left: 8px; font-size: 10px;
  font-weight: 700; color: #fff;
  white-space: nowrap; overflow: hidden;
  transition: width 1.1s cubic-bezier(.34,1.1,.64,1);
  width: 0%;
  background: linear-gradient(90deg, #6c47ff, #9b6fff);
}
.revenue-value {
  width: 105px; text-align: right;
  font-size: 11px; font-weight: 600;
  color: var(--t0); flex-shrink: 0;
}

/* Alert card */
.alert-card { cursor: pointer; transition: all .2s; position: relative; }
.alert-card:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,.08); }

/* Member row in biendog */
.member-row {
  display: flex; align-items: center;
  gap: 12px; padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
.member-row:hover { background: var(--bg-hover); }
.member-row:last-child { border-bottom: none; }
.member-row-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--purple-soft);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700;
  color: var(--purple); flex-shrink: 0;
  border: 1.5px solid var(--purple-mid);
}
.member-row-name {
  font-weight: 600; font-size: 13px;
  color: var(--t0); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: rgba(108,71,255,.3);
  transition: color .15s;
}
.member-row-name:hover { color: var(--purple); }

/* KPI card */
.kpi-card {
  flex: 1;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  position: relative; overflow: hidden;
}
.kpi-card::before {
  content: '';
  position: absolute; top: 0; left: 0; bottom: 0;
  width: 4px;
  background: var(--kpi-color, var(--purple));
}

/* ═══════════════════════════════════════════════
   STATUS BAR
   ═══════════════════════════════════════════════ */
.statusbar {
  background: #fff;
  border-top: 1.5px solid var(--border);
  padding: 5px 24px;
  display: flex; align-items: center;
  gap: 8px; font-size: 11px;
  color: var(--t2); flex-shrink: 0;
}
.status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease infinite; flex-shrink: 0;
}
.status-message { flex: 1; color: var(--t1); }

/* ═══════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(15,23,42,.5);
  backdrop-filter: blur(8px);
  z-index: 100; display: none;
  align-items: center; justify-content: center;
}
.modal-backdrop.show { display: flex; }

.modal {
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 16px;
  width: 540px; max-width: 95vw; max-height: 90vh;
  box-shadow: 0 20px 60px rgba(15,23,42,.14);
  animation: modalIn .22s cubic-bezier(.34,1.5,.64,1);
  position: relative;
  display: flex; flex-direction: column;
  overflow: hidden;
}
@keyframes modalIn {
  from { opacity:0; transform:translateY(12px) scale(.97) }
  to   { opacity:1; transform:none }
}
.modal::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6c47ff, #9b6fff);
  z-index: 1;
}
.modal-header {
  padding: 16px 20px 13px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1.5px solid var(--border); flex-shrink: 0;
}
.modal-title {
  font-family: var(--font-heading);
  font-size: 14px; font-weight: 700; flex: 1; color: var(--t0);
}
.modal-close {
  background: none; border: none; color: var(--t2);
  cursor: pointer; font-size: 16px; padding: 4px;
  border-radius: 6px; width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  transition: all .15s;
}
.modal-close:hover { background: var(--bg-hover); color: var(--t0); }
.modal-body { padding: 16px 20px; overflow-y: auto; flex: 1; min-height: 0; }
.modal-footer {
  padding: 12px 20px;
  display: flex; gap: 8px;
  justify-content: flex-end;
  border-top: 1.5px solid var(--border); flex-shrink: 0;
}

/* Form grid */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full-width { grid-column: 1 / -1; }
.form-label {
  font-size: 10.5px; font-weight: 700;
  color: var(--t1); text-transform: uppercase; letter-spacing: 1px;
}
.form-input, .form-select {
  background: var(--bg-input);
  border: 1.5px solid var(--border);
  color: var(--t0);
  font-family: var(--font-body);
  font-size: 13px; padding: 8px 12px;
  border-radius: 8px; outline: none;
  transition: all .2s; width: 100%;
}
.form-input:focus, .form-select:focus {
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(108,71,255,.1);
  background: #fff;
}
.form-input::placeholder { color: var(--t2); }
.form-select option { background: #fff; }
.form-info-banner {
  font-size: 11px; color: var(--purple);
  padding: 7px 11px;
  background: var(--purple-soft);
  border-radius: 8px; display: none;
  border: 1px solid var(--purple-mid);
}

/* Confirm modal */
.confirm-modal .modal { width: 360px; }
.confirm-body { text-align: center; padding: 28px 20px 14px; }
.confirm-footer { justify-content: center; }

/* Alert modal */
.alert-modal .modal { width: 520px; }
.alert-modal-row {
  display: flex; align-items: center;
  gap: 12px; padding: 11px 18px;
  border-bottom: 1px solid var(--border);
  transition: background .12s;
}
.alert-modal-row:last-child { border-bottom: none; }
.alert-modal-row:hover { background: var(--bg-hover); }

/* ═══════════════════════════════════════════════
   TOAST NOTIFICATIONS
   ═══════════════════════════════════════════════ */
.toast {
  position: fixed; bottom: 22px; right: 22px;
  z-index: 999; background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 12px; padding: 11px 16px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: 0 8px 32px rgba(15,23,42,.12);
  font-size: 13px;
  animation: toastIn .28s cubic-bezier(.34,1.5,.64,1);
  color: var(--t0);
}
@keyframes toastIn { from { opacity:0; transform:translateY(7px) scale(.95) } to { opacity:1; transform:none } }
.toast.hiding { animation: toastOut .25s ease forwards; }
@keyframes toastOut { to { opacity:0; transform:translateY(5px) } }
.toast-bar {
  position: absolute; top: 0; left: 0; bottom: 0;
  width: 4px; border-radius: 12px 0 0 12px;
}

/* ═══════════════════════════════════════════════
   LOADING OVERLAY
   ═══════════════════════════════════════════════ */
.loading-overlay {
  position: fixed; inset: 0;
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(4px); z-index: 150;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 14px;
}
.loading-overlay.hidden { display: none; }
.spinner {
  width: 42px; height: 42px;
  border: 3px solid var(--border);
  border-top-color: var(--purple);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg) } }

/* ═══════════════════════════════════════════════
   ACTIVITY LOG PAGE
   ═══════════════════════════════════════════════ */
.log-item {
  display: flex; align-items: flex-start;
  gap: 12px; padding: 11px 16px;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
}
.log-item:hover { background: #fafbff; }
.log-item:last-child { border-bottom: none; }
.log-icon-wrap {
  width: 34px; height: 34px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0; margin-top: 1px;
}
.log-main { flex: 1; min-width: 0; }
.log-action   { font-size: 12.5px; font-weight: 600; color: var(--t0); }
.log-detail   { font-size: 11px; color: var(--t2); margin-top: 2px; line-height: 1.5; }
.log-time     { font-size: 10px; color: var(--t2); flex-shrink: 0; text-align: right; line-height: 1.6; }
.log-who      { font-size: 10px; font-weight: 600; margin-top: 2px; }
.undo-btn {
  background: none;
  border: 1.5px solid var(--border2);
  color: var(--t1); font-family: var(--font-body);
  font-size: 10.5px; font-weight: 600;
  padding: 3px 9px; border-radius: 7px;
  cursor: pointer; transition: all .14s;
  margin-top: 4px; flex-shrink: 0;
}
.undo-btn:hover { border-color: var(--purple); color: var(--purple); background: rgba(108,71,255,.06); }
.undo-btn:disabled { opacity: .35; cursor: not-allowed; }

/* Log filter bar */
.log-filters {
  display: flex; align-items: center;
  gap: 8px; padding: 10px 16px;
  border-bottom: 1.5px solid var(--border);
  flex-shrink: 0; flex-wrap: wrap; background: #fafbff;
}
.log-chip {
  padding: 4px 11px; border-radius: 99px;
  border: 1.5px solid var(--border2); background: #fff;
  font-size: 11px; font-weight: 600; color: var(--t1);
  cursor: pointer; transition: all .14s;
}
.log-chip.active { background: var(--purple); color: #fff; border-color: var(--purple); }

/* ═══════════════════════════════════════════════
   LOGIN OVERLAY
   ═══════════════════════════════════════════════ */
.login-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  z-index: 400;
  display: flex; align-items: center; justify-content: center;
}
.login-overlay.hidden { display: none; }
.login-box {
  background: #fff; border-radius: 20px;
  padding: 36px 32px 28px;
  width: 360px; max-width: 94vw;
  box-shadow: 0 24px 64px rgba(0,0,0,.18);
  animation: modalIn .25s cubic-bezier(.34,1.5,.64,1);
  text-align: center;
}
.login-logo  { font-size: 40px; margin-bottom: 10px; }
.login-title { font-size: 18px; font-weight: 800; color: var(--t0); margin-bottom: 4px; }
.login-sub   { font-size: 12px; color: var(--t2); margin-bottom: 24px; }
.login-name-input {
  width: 100%;
  background: #f8f9fc;
  border: 2px solid var(--border2);
  color: var(--t0); font-family: var(--font-body);
  font-size: 14px; font-weight: 500;
  padding: 10px 14px; border-radius: 10px;
  outline: none; transition: all .2s;
  margin-bottom: 12px; text-align: center;
}
.login-name-input:focus { border-color: var(--purple); box-shadow: 0 0 0 3px rgba(108,71,255,.12); }
.login-role-row { display: flex; gap: 10px; margin-bottom: 20px; }
.login-role-btn {
  flex: 1; padding: 10px 8px;
  border-radius: 10px; border: 2px solid var(--border2);
  background: #f8f9fc; cursor: pointer; transition: all .15s;
  font-family: var(--font-body); font-size: 12px;
  font-weight: 600; color: var(--t1);
}
.login-role-btn.selected {
  border-color: var(--purple);
  background: rgba(108,71,255,.07);
  color: var(--purple);
}
.login-role-btn .role-icon { font-size: 22px; display: block; margin-bottom: 4px; }
.login-enter-btn {
  width: 100%; padding: 11px;
  border-radius: 10px; border: none;
  background: var(--purple); color: #fff;
  font-family: var(--font-body);
  font-size: 13px; font-weight: 700;
  cursor: pointer; transition: all .15s;
  box-shadow: 0 4px 14px rgba(108,71,255,.3);
}
.login-enter-btn:hover { background: #7c5cfc; }

/* ═══════════════════════════════════════════════
   HAMBURGER + MOBILE SIDEBAR
   ═══════════════════════════════════════════════ */
.hamburger {
  display: none;
  width: 38px; height: 38px;
  border-radius: 9px;
  border: 1.5px solid var(--border);
  background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 5px;
  flex-shrink: 0; transition: all .15s;
}
.hamburger:hover { border-color: var(--purple); background: var(--purple-soft); }
.hamburger span {
  display: block; width: 16px; height: 2px;
  background: var(--t1); border-radius: 2px; transition: all .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(15,23,42,.45);
  z-index: 49; backdrop-filter: blur(2px);
}
.sidebar-overlay.show { display: block; }

/* ═══════════════════════════════════════════════
   MOBILE BOTTOM NAV
   ═══════════════════════════════════════════════ */
.bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #fff;
  border-top: 1.5px solid var(--border);
  padding: 6px 0 max(6px, env(safe-area-inset-bottom));
  z-index: 48;
  justify-content: space-around; align-items: center;
}
.bottom-nav-item {
  display: flex; flex-direction: column;
  align-items: center; gap: 2px;
  padding: 5px 12px; border-radius: 10px;
  cursor: pointer; font-size: 9.5px;
  font-weight: 600; color: var(--t2);
  transition: all .15s; min-width: 56px;
}
.bottom-nav-item .bnav-icon { font-size: 20px; line-height: 1; }
.bottom-nav-item.active { color: var(--purple); }
.bottom-nav-item.active .bnav-icon { transform: scale(1.1); }
.bottom-nav-item:active { transform: scale(.93); }

.bottom-nav-compose {
  display: flex; align-items: center; gap: 10px;
  background: #e8f0fe;
  border-radius: 18px;
  padding: 14px 22px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(108,71,255,.18);
  transition: all .18s; user-select: none;
  margin: 0 8px; flex-shrink: 0;
}
.bottom-nav-compose:hover { background: #d4e3fc; box-shadow: 0 4px 16px rgba(108,71,255,.28); }
.bottom-nav-compose:active { transform: scale(.95); }
.bottom-nav-compose-icon  { font-size: 20px; line-height: 1; }
.bottom-nav-compose-label {
  font-family: var(--font-heading);
  font-size: 14px; font-weight: 700;
  color: #1a1a2e; white-space: nowrap;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE — Mobile (≤768px)
   ═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  /* Show hamburger, hide search */
  .hamburger { display: flex; }
  .search-wrap { display: none; }

  /* Topbar */
  .topbar { padding: 0 14px; height: 52px; gap: 10px; }
  .breadcrumb { font-size: 14px; }

  /* Sidebar becomes overlay drawer */
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform .28s cubic-bezier(.4,0,.2,1);
    box-shadow: 4px 0 24px rgba(15,23,42,.12);
    width: 260px; min-width: 260px;
  }
  .sidebar.open { transform: translateX(0); }

  .main { width: 100%; }

  /* Stats: 2 per row */
  .stats-bar { padding: 12px 12px 0; gap: 8px; }
  .stat-card { min-width: calc(50% - 4px); flex: 1 1 calc(50% - 4px); padding: 10px 12px; gap: 10px; }
  .stat-icon { width: 34px; height: 34px; font-size: 16px; }
  .stat-label { font-size: 9px; }
  .stat-value { font-size: 20px; }

  /* Table area */
  .table-area { padding: 10px 12px 70px; gap: 10px; }

  /* Filter bar */
  .filter-bar { padding: 10px 12px; gap: 7px; }
  .filter-bar-title { font-size: 12px; }
  .filter-sep { display: none; }
  .ml-auto { display: none; }

  /* Chips scroll horizontally */
  .chips-row {
    flex-wrap: nowrap; overflow-x: auto; width: 100%;
    padding-bottom: 2px; scrollbar-width: none;
  }
  .chips-row::-webkit-scrollbar { display: none; }
  .chip { flex-shrink: 0; font-size: 11.5px; padding: 5px 11px; }

  /* Table */
  .table-wrap { border-radius: 10px; }
  table { font-size: 12px; }
  thead th { padding: 8px 10px; font-size: 9px; }
  td { padding: 9px 10px; }

  /* Hide less important columns on mobile */
  .col-register-date { display: none; }
  .col-package       { display: none; }
  .col-note          { display: none; }
  .col-days-left     { display: none; }

  /* Avatar */
  .avatar      { width: 30px; height: 30px; font-size: 10px; }
  .member-name  { font-size: 12px; }
  .member-phone { font-size: 10px; }

  /* Action buttons — bigger touch target */
  .action-btn { width: 34px; height: 34px; font-size: 15px; }

  /* Scroll pages */
  .scroll-page { padding: 12px 12px 70px; gap: 12px; }

  /* Summary pills: 2 per row */
  .summary-pills { padding: 12px; gap: 8px; grid-template-columns: repeat(2, 1fr); }
  .summary-pill { padding: 12px 8px 10px; }
  .summary-pill:last-child { grid-column: 1 / -1; }
  .summary-pill .pill-number { font-size: 24px; }
  .summary-pill .pill-label  { font-size: 9.5px; }
  .summary-pill .pill-sub    { display: none; }

  /* Alert cards: stack */
  .alert-grid { grid-template-columns: 1fr !important; }

  /* KPI cards: stack */
  .kpi-row { flex-direction: column !important; }

  /* BD grid: stack */
  .bd-grid { grid-template-columns: 1fr !important; }

  /* Modal: slide up from bottom */
  .modal {
    width: 100% !important; max-width: 100% !important;
    border-radius: 20px 20px 0 0 !important;
    position: fixed !important; bottom: 0 !important; top: auto !important;
    animation: modalSlideUp .28s cubic-bezier(.4,0,.2,1) !important;
  }
  @keyframes modalSlideUp { from { transform: translateY(100%) } to { transform: none } }
  .modal-backdrop { align-items: flex-end !important; }
  .modal::before { border-radius: 20px 20px 0 0; }

  /* Status bar: hidden on mobile */
  .statusbar { display: none; }

  /* Show bottom nav */
  .bottom-nav { display: flex; }

  /* PWA banner smaller */
  #pwa-banner { font-size: 11px; padding: 7px 14px; flex-wrap: wrap; gap: 7px; }
}

@media (max-width: 400px) {
  .stat-card { min-width: calc(50% - 4px); }
  .stat-value { font-size: 18px; }
}