/* ===================================
   BCSC MOBILE — Cyan / Blue Design System
   Mobile (<768): bottom nav | Tablet (≥768): sidebar
   =================================== */

:root {
  --color-primary: #4ab6f1;
  --color-primary-dark: #2899d6;
  --color-primary-light: #7cccf6;
  --color-on-primary: #ffffff;
  --color-accent: #0ea5e9;
  --color-accent-dark: #0284c7;
  --color-danger: #dc2626;
  --color-danger-dark: #b91c1c;
  --color-warning: #d97706;
  --color-warning-dark: #b45309;
  --color-background: #f0f9ff;
  --color-surface: #ffffff;
  --color-foreground: #1e3a4c;
  --color-muted: #e8f6fc;
  --color-muted-foreground: #64748b;
  --color-border: #b8e6fb;
  --color-border-soft: #e2e8f0;
  --color-ring: #4ab6f1;

  /* Legacy aliases (existing pages) */
  --primary: var(--color-primary);
  --primary-dark: var(--color-primary-dark);
  --primary-light: var(--color-primary-light);
  --accent: var(--color-accent);
  --accent-dark: var(--color-accent-dark);
  --accent-light: #38bdf8;
  --secondary: #64748b;
  --secondary-light: #94a3b8;
  --secondary-dark: #475569;
  --success: #059669;
  --success-dark: #047857;
  --warning: var(--color-warning);
  --warning-dark: var(--color-warning-dark);
  --danger: var(--color-danger);
  --danger-dark: var(--color-danger-dark);
  --info: var(--color-primary);
  --bg-primary: var(--color-surface);
  --bg-secondary: var(--color-background);
  --bg-tertiary: var(--color-muted);
  --bg-dark: #1e3a4c;
  --text-primary: var(--color-foreground);
  --text-secondary: var(--color-muted-foreground);
  --text-tertiary: #94a3b8;
  --text-white: #ffffff;
  --border-light: var(--color-border-soft);
  --border-medium: #cbd5e1;
  --border-dark: #94a3b8;

  --sidebar-width: 240px;
  --header-height: 70px;
  --bottom-nav-height: 56px;

  /* Bề rộng khung ứng dụng; phần dư trên màn hình lớn để nền đen */
  --app-max-width: 480px;
  --app-backdrop: #000000;

  --shadow-sm: 0 1px 2px rgba(74, 182, 241, 0.08);
  --shadow-md: 0 4px 12px rgba(74, 182, 241, 0.12);
  --shadow-lg: 0 10px 24px rgba(30, 58, 76, 0.1);
  --shadow-xl: 0 16px 40px rgba(30, 58, 76, 0.12);

  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;

  /* Thang kích thước button dùng chung toàn app */
  --btn-height-sm: 36px;
  --btn-height-md: 44px;
  --btn-height-lg: 48px;
  --btn-padding-x-sm: 12px;
  --btn-padding-x-md: 18px;
  --btn-padding-x-lg: 20px;
  --btn-font-sm: 13px;
  --btn-font-md: 14px;
  --btn-font-lg: 15px;
  --btn-radius: 12px;
  --btn-radius-sm: 8px;
  --btn-gap: 12px;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --transition-fast: 150ms ease;
  --transition-base: 220ms ease;
  --transition-slow: 300ms ease;

  --font-heading: "Figtree", "Noto Sans", system-ui, sans-serif;
  --font-body: "Noto Sans", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background: var(--color-background);
  color: var(--color-foreground);
  padding-top: env(safe-area-inset-top);
  /* bottom-nav đã gồm safe-area trong padding → chỉ cộng chiều cao chrome */
  padding-bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom));
  overflow-x: hidden;
  min-height: 100dvh;
  touch-action: manipulation;
}

body.auth-page {
  padding-bottom: env(safe-area-inset-bottom);
}

h1,
h2,
h3,
h4,
h5,
h6,
.header-title h1,
.section-title,
.card-title,
.footer-title {
  font-family: var(--font-heading);
}

a {
  color: var(--color-primary);
}

:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

button,
a.nav-item,
.btn,
.tab {
  cursor: pointer;
}

/* ===================================
   APP SHELL
   =================================== */

#app-nav-root {
  display: contents;
}

.app-sidebar {
  display: none;
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-soft);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom));
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  z-index: 200;
  box-shadow: 0 -4px 16px rgba(30, 58, 76, 0.06);
}

.nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-width: 56px;
  min-height: 44px;
  padding: 8px 10px;
  text-decoration: none;
  color: var(--color-muted-foreground);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.nav-item:hover,
.nav-item:active {
  background: var(--color-muted);
  color: var(--color-primary-dark);
}

.nav-item.active {
  color: var(--color-primary);
  background: rgba(74, 182, 241, 0.12);
}

.app-sidebar .nav-item.active {
  background: rgba(74, 182, 241, 0.14);
  color: var(--color-primary-dark);
  box-shadow: inset 3px 0 0 var(--color-primary);
}

.nav-item ion-icon {
  font-size: 22px;
}

.nav-text {
  font-size: 11px;
  font-weight: 600;
  font-family: var(--font-heading);
}

.nav-item .notification-badge {
  position: absolute;
  top: 2px;
  right: 8px;
  background: var(--color-danger);
  color: #fff;
  border-radius: 10px;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  padding: 0 5px;
}

/* Tablet+: sidebar
   ĐANG TẮT — app dùng khung điện thoại cố định (--app-max-width) nên
   layout sidebar cho màn hình rộng không còn áp dụng.
   Muốn bật lại: bỏ cặp dấu chú thích bao quanh khối bên dưới và xóa
   phần "KHUNG ĐIỆN THOẠI CỐ ĐỊNH" ở cuối file. */
/*
@media (min-width: 768px) {
  body {
    padding-bottom: 0;
    padding-left: var(--sidebar-width);
  }

  body.auth-page {
    padding-left: 0;
  }

  .bottom-nav {
    display: none !important;
  }

  .app-sidebar {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border-soft);
    padding: calc(16px + env(safe-area-inset-top)) 12px 16px;
    z-index: 200;
    box-shadow: var(--shadow-sm);
  }

  .sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px 20px;
    text-decoration: none;
    color: var(--color-foreground);
  }

  .sidebar-brand img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 10px;
  }

  .sidebar-brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
  }

  .sidebar-brand-text strong {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary-dark);
  }

  .sidebar-brand-text span {
    font-size: 12px;
    color: var(--color-muted-foreground);
  }

  .sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
  }

  .app-sidebar .nav-item {
    flex-direction: row;
    justify-content: flex-start;
    gap: 12px;
    width: 100%;
    min-height: 48px;
    padding: 12px 14px;
    border-radius: var(--radius-md);
  }

  .app-sidebar .nav-item.active {
    background: rgba(74, 182, 241, 0.14);
    color: var(--color-primary-dark);
    box-shadow: inset 3px 0 0 var(--color-primary);
  }

  .app-sidebar .nav-text {
    font-size: 14px;
  }

  .app-sidebar .nav-item .notification-badge {
    position: static;
    margin-left: auto;
  }

  .app-content,
  .content {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
    padding: 24px 28px 40px;
  }

  .tablet-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .form-narrow {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (min-width: 1024px) {
  :root {
    --sidebar-width: 260px;
  }

  .app-content,
  .content {
    max-width: 1100px;
  }
}
*/

/* ===================================
   HEADER
   =================================== */

.app-header {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 55%, var(--color-primary-light) 100%);
  padding: 15px 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
  min-height: var(--header-height);
}

.profile-header {
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
  padding: 28px 20px 56px;
  text-align: center;
}

.header-top {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-start;
}

.logout-btn,
.back-btn {
  background: rgba(255, 255, 255, 0.18);
  border: none;
  border-radius: var(--radius-md);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: background var(--transition-fast), opacity var(--transition-fast);
}

.logout-btn:hover,
.back-btn:hover {
  background: rgba(255, 255, 255, 0.28);
}

.logout-btn:active,
.back-btn:active {
  opacity: 0.85;
}

.header-logo {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.header-title h1 {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
}

.header-title p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.9);
}

.back-btn ion-icon {
  font-size: 22px;
}

/* ===================================
   CONTENT
   =================================== */

.content {
  padding: var(--spacing-xl);
}

.app-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  padding-bottom: 24px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  gap: 12px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-foreground);
}

.section-count {
  font-size: 13px;
  color: var(--color-foreground);
  background: var(--color-muted);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
}

/* ===================================
   CARDS / BUTTONS / FORMS
   =================================== */

.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  border: 1px solid var(--color-border-soft);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--spacing-md);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
  gap: 8px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-foreground);
}

.card-content {
  font-size: 15px;
  color: var(--color-foreground);
  line-height: 1.6;
}

.btn {
  padding: 0 var(--btn-padding-x-md);
  min-height: var(--btn-height-md);
  border: none;
  border-radius: var(--btn-radius);
  font-size: var(--btn-font-md);
  font-weight: 600;
  font-family: var(--font-heading);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  line-height: 1.2;
  transition: background var(--transition-fast), opacity var(--transition-fast),
    box-shadow var(--transition-fast);
}

/* Nút nhỏ: chip lọc, thao tác trong bảng */
.btn-sm {
  min-height: var(--btn-height-sm);
  padding: 0 var(--btn-padding-x-sm);
  font-size: var(--btn-font-sm);
  border-radius: var(--btn-radius-sm);
}

/* Nút chính: CTA full-width, thanh hành động, popup */
.btn-lg {
  min-height: var(--btn-height-lg);
  padding: 0 var(--btn-padding-x-lg);
  font-size: var(--btn-font-lg);
}

.btn:active {
  opacity: 0.9;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(74, 182, 241, 0.28);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-secondary {
  background: var(--color-muted);
  color: var(--color-foreground);
  border: 1px solid var(--color-border-soft);
}

.btn-secondary:hover {
  background: #dbeaf0;
}

.btn-success {
  background: var(--color-accent);
  color: #fff;
}

.btn-warning {
  background: var(--color-warning);
  color: #fff;
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}

.btn-full {
  width: 100%;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-foreground);
  margin-bottom: var(--spacing-sm);
  font-family: var(--font-heading);
}

.form-label.required::after {
  content: " *";
  color: var(--color-danger);
}

.form-input,
.form-select,
.form-textarea,
.filter-input {
  width: 100%;
  background: var(--color-muted);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  min-height: 44px;
  font-size: 15px;
  font-family: var(--font-body);
  color: var(--color-foreground);
  font-weight: 500;
  transition: border-color var(--transition-fast), background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.filter-input:focus {
  outline: none;
  background: var(--color-surface);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(74, 182, 241, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-tertiary);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.form-select {
  cursor: pointer;
}

/* ===================================
   BADGES / TABS
   =================================== */

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  font-family: var(--font-heading);
}

.badge-success,
.priority-low {
  background: var(--success);
  color: #fff;
}

.badge-primary,
.priority-high {
  background: var(--color-primary);
  color: #fff;
}

.badge-secondary {
  background: var(--secondary);
  color: #fff;
}

.tabs {
  display: flex;
  background: var(--color-surface);
  margin: var(--spacing-xl);
  border-radius: var(--radius-lg);
  padding: 4px;
  border: 1px solid var(--color-border-soft);
  gap: 4px;
}

.tab {
  flex: 1;
  padding: 12px;
  min-height: 44px;
  text-align: center;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-heading);
  color: var(--color-muted-foreground);
  border: none;
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.tab.active {
  background: var(--color-primary);
  color: #fff;
}

/* ===================================
   FOOTER / UTILS / ANIMATION
   =================================== */

.app-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-soft);
  margin-top: 20px;
  padding: 20px 20px 15px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 10px;
}

.footer-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-foreground);
  margin-bottom: 4px;
}

.footer-text {
  font-size: 13px;
  color: var(--color-muted-foreground);
  margin-bottom: 15px;
}

.footer-contact {
  margin-bottom: 15px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  color: var(--color-muted-foreground);
  margin-bottom: 8px;
}

.footer-contact-item ion-icon {
  font-size: 16px;
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-soft);
}

.footer-bottom p {
  font-size: 11px;
  color: var(--text-tertiary);
  margin-bottom: 3px;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-white { color: #fff; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-normal { font-weight: 400; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.hidden { display: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

.fade-in { animation: fadeIn var(--transition-slow) ease; }
.slide-in { animation: slideIn var(--transition-slow) ease; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===================================
   CUSTOM SELECT (js/custom-select.js)
   Panel luôn nằm gọn trong viewport thay vì popup mặc định của hệ điều hành
   =================================== */

.cs-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  min-height: var(--btn-height-md);
  cursor: pointer;
  background-image: none !important;
}

/* Select gốc phủ kín ô: trong suốt, không nhận chạm, nhưng vẫn để trình duyệt
   neo bong bóng validate đúng vị trí trường */
.cs-native {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  border: 0;
  opacity: 0;
  pointer-events: none;
}

.cs-trigger {
  flex: 1;
  min-width: 0;
  display: inline-flex;
  align-items: center;
  /* Chừa chỗ cho mũi tên, không phụ thuộc padding riêng của từng trang */
  padding: 0 24px 0 0;
  border: none;
  background: transparent;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.cs-wrapper.cs-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* Giữ vòng focus bàn phím trên cả ô, không phải chỉ nút bên trong.
   border-radius để vòng outline bo tròn thay vì vuông góc. */
.cs-wrapper:focus-within {
  border-radius: var(--radius-md);
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}

/* Khi wrapper nằm trong ô đã có sẵn vòng focus riêng thì bỏ vòng của wrapper,
   nếu không sẽ thấy hai khung lồng nhau. */
.input-field:focus-within .cs-wrapper:focus-within,
.input-group:focus-within .cs-wrapper:focus-within {
  outline: none;
}

.cs-trigger:focus-visible {
  outline: none;
}

.cs-value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cs-wrapper.cs-empty .cs-value {
  color: var(--color-muted-foreground, #64748b);
}

.cs-caret {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid currentColor;
  opacity: 0.6;
  pointer-events: none;
}

.cs-panel {
  position: fixed;
  /* Cao hơn mọi popup/overlay trong app (cao nhất hiện tại là 99999) */
  z-index: 100000;
  display: none;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  background: #fff;
  border: 1px solid var(--color-border-soft, #e5e7eb);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 4px;
}

.cs-panel.is-open {
  display: block;
}

.cs-option {
  display: flex;
  align-items: center;
  min-height: var(--btn-height-md);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  line-height: 1.35;
  color: var(--color-foreground);
  cursor: pointer;
}

.cs-option.is-active {
  background: var(--color-muted, #eef6fb);
}

.cs-option.is-selected {
  background: rgba(74, 182, 241, 0.14);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.cs-option.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

/* Tinh chỉnh cho màn hình rộng — ĐANG TẮT vì khung luôn rộng bằng điện thoại. */
/*
@media (min-width: 768px) {
  .app-content form,
  .content form,
  .form-container,
  .report-form {
    max-width: 720px;
  }

  .filter-section {
    border: 1px solid var(--color-border-soft);
  }

  .report-card,
  .incident-card,
  .process-card {
    border: 1px solid var(--color-border-soft);
  }
}
*/

/* ===================================
   KHUNG ĐIỆN THOẠI CỐ ĐỊNH
   Giao diện luôn giữ bề rộng --app-max-width và căn giữa màn hình.
   Vùng dư hai bên trên màn hình lớn hiển thị nền đen.
   =================================== */

html {
  background: var(--app-backdrop);
}

body {
  width: 100%;
  max-width: var(--app-max-width);
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.55), 0 18px 50px rgba(0, 0, 0, 0.4);
}

/* Phần tử position:fixed neo theo viewport chứ không theo <body>, nên phải
   kéo về giữa khung. Thêm selector mới vào danh sách này nếu tạo thêm phần
   tử fixed ở trang bất kỳ. */
body .bottom-nav,
body .action-buttons,
body #actionButtons,
body #submitSection,
body .popup-overlay,
body .success-overlay,
body .photo-modal,
body .modal,
body .pull-to-refresh {
  left: 0;
  right: 0;
  width: auto;
  max-width: var(--app-max-width);
  margin-left: auto;
  margin-right: auto;
}