/* ponytail: Style CSS dùng chung cho Sidebar trên cả 3 trang (tinhluongv2.html, bangcong.html, khoanphaithu.html) */

:root {
  --color-primary: #435ebe;
  --color-primary-hover: #374fa6;
  --color-primary-soft: #ebf3ff;
  --color-bg: #f2f7ff;
  --color-surface: #ffffff;
  --color-text: #25396f;
  --color-body: #4e5d78;
  --color-muted: #7c8db5;
  --color-border: #dce7f3;
  --color-danger: #dc3545;
  --color-success: #198754;
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 64px;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --glass-bg: rgba(255, 255, 255, 0.92);
  --glass-blur: blur(12px);
  --shadow-sm: 0 2px 8px rgba(37, 57, 111, 0.06);
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Sidebar backdrop */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: none;
  border: 0;
  background: rgba(37, 57, 111, .28);
  backdrop-filter: blur(4px);
}

.sidebar-backdrop.show {
  display: block;
}

/* Sidebar main container */
.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 1040;
  width: var(--sidebar-width);
  overflow-x: hidden;
  overflow-y: auto;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow-sm);
  transition: width 0.2s cubic-bezier(0.4, 0, 0.2, 1), transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s ease;
  display: flex;
  flex-direction: column;
}

/* Scrollbar for sidebar */
.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
  background: #c3cfe2;
  border-radius: 4px;
}

.sidebar-header {
  padding: 1.25rem 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 68px;
}

.brand {
  display: flex;
  gap: .75rem;
  align-items: center;
  color: var(--color-text);
  font-weight: 800;
  text-decoration: none;
  overflow: hidden;
  white-space: nowrap;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 40px;
  height: 40px;
  min-width: 40px;
  place-items: center;
  border-radius: var(--radius-lg);
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), #6366f1);
  box-shadow: 0 6px 12px rgba(67, 94, 190, .2);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.brand-name {
  display: block;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.brand-subtitle {
  display: block;
  font-size: .78rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

/* Pin button in sidebar header */
.sidebar-pin-btn {
  width: 32px;
  height: 32px;
  min-width: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.7);
  color: var(--color-muted);
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.sidebar-pin-btn:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.app-shell.sidebar-pinned .sidebar-pin-btn {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 6px rgba(67, 94, 190, 0.3);
}

/* Sidebar menu */
.sidebar-menu {
  padding: 0.5rem 0.65rem 1.5rem;
  flex: 1;
  overflow-x: hidden;
}

.menu,
.submenu {
  padding: 0;
  margin: 0;
  list-style: none;
}

.sidebar-title {
  margin: 1.25rem 0.5rem 0.5rem;
  color: var(--color-muted);
  font-size: .75rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-link {
  display: flex;
  gap: .75rem;
  align-items: center;
  width: 100%;
  min-height: 42px;
  padding: .6rem .75rem;
  border: 0;
  border-radius: var(--radius-lg);
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-size: .95rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-link i:first-child {
  color: var(--color-muted);
  font-size: 1.15rem;
  width: 24px;
  min-width: 24px;
  text-align: center;
  flex-shrink: 0;
  transition: var(--transition);
}

.sidebar-link span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: opacity 0.15s ease;
}

.sidebar-link:hover {
  background: rgba(67, 94, 190, 0.05);
  color: var(--color-primary);
}

.sidebar-link:hover i {
  color: var(--color-primary);
}

.sidebar-item.active>.sidebar-link,
.sidebar-link.active {
  color: var(--color-primary) !important;
  background: var(--color-primary-soft) !important;
  box-shadow: inset 2px 0 0 var(--color-primary);
}

.sidebar-item.active>.sidebar-link i,
.sidebar-link.active i {
  color: var(--color-primary) !important;
}

.sidebar-group+.collapse,
.sidebar-group+.collapsing {
  margin-top: .2rem;
}

.sidebar-group i:last-child {
  margin-left: auto;
  font-size: .78rem;
  transition: transform .2s ease;
}

.sidebar-group[aria-expanded="true"] i:last-child {
  transform: rotate(180deg);
}

/* Submenus styling */
.submenu {
  padding-left: .75rem;
  position: relative;
}

.submenu::before {
  content: "";
  position: absolute;
  left: 1.1rem;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 1px;
  background-color: var(--color-border);
}

.submenu .sidebar-link {
  font-size: .9rem;
  font-weight: 600;
  padding-left: 1.5rem;
}

.submenu .submenu {
  padding-left: .5rem;
}

.submenu .submenu::before {
  left: 1.8rem;
}

.submenu .submenu .sidebar-link {
  font-size: .85rem;
  padding-left: 2.2rem;
}

/* Sidebar user chip */
.sidebar-user {
  padding: 1rem 0.75rem;
  border-top: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.4);
  overflow: hidden;
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  overflow: hidden;
  white-space: nowrap;
}

.user-chip i {
  font-size: 1.3rem;
  width: 24px;
  min-width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.user-chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Responsive Sidebar Rules */
@media (min-width: 1024px) {
  .app-shell .sidebar {
    width: var(--sidebar-collapsed-width);
  }

  .app-shell .main {
    margin-left: var(--sidebar-collapsed-width);
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .brand-text,
  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-pin-btn,
  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-link span,
  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-group i:last-child,
  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-title,
  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .user-chip span,
  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) #sidebarLogoutBtn span {
    opacity: 0;
    width: 0;
    display: none !important;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-header {
    padding: 1.25rem 0.5rem 1rem;
    justify-content: center;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-menu {
    padding: 0.5rem 0.45rem 1.5rem;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-link {
    padding: .6rem 0.55rem;
    justify-content: center;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-group {
    display: none;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .submenu {
    padding-left: 0;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .submenu::before {
    display: none;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .submenu .sidebar-link {
    padding-left: 0.55rem;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .sidebar-user {
    padding: 0.75rem 0.45rem;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) .user-chip {
    justify-content: center;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:not(:hover) #sidebarLogoutBtn {
    padding: 0.35rem 0.25rem;
    justify-content: center;
  }

  .app-shell:not(.sidebar-pinned) .sidebar:hover {
    width: var(--sidebar-width);
    box-shadow: 0 10px 30px rgba(25, 42, 70, 0.16);
  }

  .app-shell.sidebar-pinned .sidebar {
    width: var(--sidebar-width);
    box-shadow: var(--shadow-sm);
  }

  .app-shell.sidebar-pinned .main {
    margin-left: var(--sidebar-width);
  }
}

@media (max-width: 1023.98px) {
  .sidebar {
    width: var(--sidebar-width);
    transform: translateX(calc(var(--sidebar-width) * -1));
  }

  .sidebar.show {
    transform: translateX(0);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  }

  .main {
    margin-left: 0;
    padding: 0 0 2rem;
  }
}