:root {
  --bg: #0f1419;
  --bg-elevated: #172029;
  --bg-row: #1c2733;
  --border: #2a3a4a;
  --text: #e8eef4;
  --muted: #8fa3b5;
  --accent: #3d9cf0;
  --accent-dim: #2a6fad;
  --ok: #3ecf8e;
  --warn: #e6b84d;
  --bad: #e85d5d;
  --font: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html,
body,
#root {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a3048 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #152a22 0%, transparent 50%),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  border-right: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.92);
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-height: 0;
  overflow-y: auto;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.25rem;
}

.brand span {
  color: var(--accent);
}

.nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav a {
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: var(--muted);
}

.nav a:hover {
  background: var(--bg-elevated);
  color: var(--text);
}

.nav a.active {
  background: var(--bg-elevated);
  color: var(--text);
  box-shadow: inset 3px 0 0 var(--accent);
}

/* Nhóm menu gấp/mở. Chỉ Dashboard và Machines đứng riêng ở cấp cao nhất,
   phần còn lại nằm trong các <details class="nav-group">.

   KHÔNG đặt display:flex/grid lên chính <details>: Chrome và Safari khi đó thôi
   ẩn phần nội dung lúc đóng, nên cả submenu cứ hiện ra dù nhóm đang gấp. Muốn
   xếp dọc thì bọc link trong .nav-group__items. */
.nav-group {
  display: block;
}

.nav-group + .nav-group {
  margin-top: 0.15rem;
}

.nav-group > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  color: var(--muted);
  cursor: pointer;
  list-style: none;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
}

.nav-group > summary::-webkit-details-marker {
  display: none;
}

/* Mũi "›" xoay xuống khi mở. Dùng ký tự thay vì SVG để khỏi thêm asset. */
.nav-group > summary::after {
  content: "\203A";
  font-size: 1.05rem;
  line-height: 1;
  opacity: 0.7;
  transition: transform 0.15s ease;
}

.nav-group[open] > summary::after {
  transform: rotate(90deg);
}

.nav-group > summary:hover,
.nav-group[open] > summary {
  color: var(--text);
}

.nav-group > summary:hover {
  background: var(--bg-elevated);
}

.nav-group > summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* Danh sách con: thụt vào và có vạch dọc để thấy rõ thuộc nhóm nào. */
.nav-group__items {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin: 0.15rem 0 0.35rem 1.15rem;
  padding-left: 0.6rem;
  border-left: 1px solid var(--border);
}

.nav-group__items a {
  padding: 0.42rem 0.6rem;
  font-size: 0.92rem;
}

.main {
  padding: 1.5rem 1.75rem 2.5rem;
  min-height: 0;
  min-width: 0;
  width: 100%;
  overflow-y: auto;
}

.main--guide {
  padding: 1.25rem 1.5rem 2rem;
}

.main--guide .guide-page,
.main--guide .guide-install-grid,
.main--guide .guide-panel,
.main--guide .guide-callout {
  width: 100%;
  max-width: none;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-head h1 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.page-head p {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.85rem;
  cursor: pointer;
  display: inline-block;
  text-decoration: none;
}

a.btn:hover {
  text-decoration: none;
}

.btn:hover {
  border-color: var(--accent-dim);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #04101c;
  font-weight: 600;
}

.btn.danger {
  color: var(--bad);
  background: color-mix(in srgb, var(--bad) 12%, var(--bg-elevated));
  border-color: color-mix(in srgb, var(--bad) 40%, var(--border));
  font-weight: 500;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

.btn.danger:hover {
  background: color-mix(in srgb, var(--bad) 22%, var(--bg-elevated));
  border-color: var(--bad);
  color: #ff8a8a;
}

.actions--table {
  align-items: center;
  gap: 0.4rem;
}

.actions--table .actions__delete {
  margin-left: 0.15rem;
  padding-left: 0.65rem;
  border-left: 1px solid var(--border);
}

.actions--table .actions__delete .btn {
  min-width: 3.25rem;
}

/* Compact row actions for machines/logger tables */
.machine-row-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  flex-wrap: nowrap;
  min-width: 15.5rem;
}

.seg-group {
  display: inline-flex;
  align-items: stretch;
  flex-wrap: nowrap;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg);
}

.seg-group__item {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.62rem;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.2;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  border-right: 1px solid var(--border);
  background: transparent;
  transition: background 0.12s ease, color 0.12s ease;
}

.seg-group__item:last-child {
  border-right: none;
}

.seg-group__item:hover {
  background: color-mix(in srgb, var(--accent) 14%, var(--bg-elevated));
  color: var(--accent);
  text-decoration: none;
}

.machine-menu {
  position: relative;
  flex-shrink: 0;
}

.machine-menu__toggle {
  list-style: none;
  cursor: pointer;
  min-width: 2rem;
  padding: 0.32rem 0.55rem;
  font-size: 1rem;
  line-height: 1;
  text-align: center;
}

.machine-menu__toggle::-webkit-details-marker {
  display: none;
}

.machine-menu[open] .machine-menu__toggle {
  border-color: var(--accent-dim);
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-elevated));
}

.machine-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  z-index: 20;
  min-width: 9.5rem;
  padding: 0.35rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-elevated);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
}

.machine-menu__panel form {
  margin: 0;
}

.machine-menu__panel .btn {
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  padding: 0.45rem 0.65rem;
  font-size: 0.84rem;
}

.machine-menu__panel .btn:hover {
  background: rgba(255, 255, 255, 0.05);
}

.machine-menu__panel .btn.danger {
  color: var(--bad);
  background: transparent;
}

.machine-menu__panel .btn.danger:hover {
  background: color-mix(in srgb, var(--bad) 14%, transparent);
}

.table td.table-actions,
.table th.table-actions {
  width: 1%;
  white-space: nowrap;
  vertical-align: middle;
}

.table.table--rows-middle td {
  vertical-align: middle;
}

.table-scroll {
  overflow-x: auto;
}

.table-scroll--y {
  max-height: min(26rem, 52vh);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.panel.table-scroll--y {
  max-height: min(26rem, 52vh);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll--y .table thead th,
.panel.table-scroll--y .table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-elevated);
  box-shadow: 0 1px 0 var(--border);
}

@media (max-width: 1280px) {
  .machine-row-actions {
    min-width: 13.5rem;
  }

  .seg-group__item {
    padding: 0.3rem 0.5rem;
    font-size: 0.74rem;
  }
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.84rem;
  border-radius: 7px;
}

.machines-page {
  max-width: 72rem;
}

.machines-count {
  align-self: center;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 500;
}

.machine-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.machine-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.15rem 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.machine-card:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22);
}

.machine-card.is-online {
  border-left: 3px solid var(--ok);
}

.machine-card__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.machine-card__identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  min-width: 0;
}

.machine-os-badge {
  flex-shrink: 0;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 11px;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.machine-os-badge--linux {
  color: #e9a23b;
  border-color: color-mix(in srgb, #e9a23b 40%, var(--border));
  background: color-mix(in srgb, #e9a23b 12%, var(--bg));
}

.machine-os-badge--windows {
  color: #5eb0ff;
  border-color: color-mix(in srgb, #5eb0ff 40%, var(--border));
  background: color-mix(in srgb, #5eb0ff 12%, var(--bg));
}

.machine-card__names {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
  min-width: 0;
}

.machine-card__hostname {
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent);
}

.machine-card__hostname:hover {
  text-decoration: underline;
}

.machine-card__id {
  color: var(--muted);
  font-size: 0.78rem;
}

.machine-card__pending {
  margin-left: 0.1rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.status-pill__dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: currentColor;
}

.status-pill--ok {
  color: var(--ok);
  border-color: color-mix(in srgb, var(--ok) 40%, var(--border));
  background: color-mix(in srgb, var(--ok) 10%, var(--bg));
}

.status-pill--ok .status-pill__dot {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 25%, transparent);
}

.machine-card.is-online .status-pill--ok .status-pill__dot {
  animation: status-pulse 2s ease-in-out infinite;
}

.status-pill--bad {
  color: var(--bad);
  border-color: color-mix(in srgb, var(--bad) 40%, var(--border));
  background: color-mix(in srgb, var(--bad) 10%, var(--bg));
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.45;
  }
}

.machine-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem 1.25rem;
  margin: 0;
  padding: 0.85rem 0.95rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.18);
  border: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
}

.machine-meta__item {
  min-width: 0;
}

.machine-meta dt {
  margin: 0 0 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.machine-meta dd {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.machine-meta__primary {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
}

.machine-meta__sub {
  display: block;
  width: 100%;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.35;
}

.time-stack {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.time-stack__date {
  font-size: 0.88rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.time-stack__clock {
  font-size: 0.8rem;
  color: var(--muted);
}

.time-stack__hint {
  font-size: 0.74rem;
  color: var(--muted);
  opacity: 0.85;
}

.machine-card__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.metric-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  min-width: 0;
}

.metric-chip {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  line-height: 1.2;
}

.metric-chip--wide .metric-chip__value {
  font-size: 0.82rem;
}

.metric-chip__label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.metric-chip__value {
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.machine-card__actions {
  margin-left: auto;
}

@media (max-width: 1100px) {
  .machine-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .machine-card__top {
    flex-direction: column;
  }

  .machine-meta {
    grid-template-columns: 1fr;
  }

  .machine-card__bottom {
    flex-direction: column;
    align-items: stretch;
  }

  .machine-card__actions {
    margin-left: 0;
    justify-content: flex-end;
  }
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.tab-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.stat {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.stat .label {
  color: var(--muted);
  font-size: 0.85rem;
}

.stat .value {
  font-size: 1.6rem;
  font-weight: 650;
  margin-top: 0.25rem;
  font-variant-numeric: tabular-nums;
}

.stat__suffix {
  font-size: 1rem;
  font-weight: 550;
  color: var(--muted);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: start;
}

.dashboard-note {
  margin: -0.35rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.table th,
.table td {
  padding: 0.7rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.table th {
  color: var(--muted);
  font-weight: 500;
  background: rgba(0, 0, 0, 0.18);
}

.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.badge.ok {
  color: var(--ok);
  border-color: rgba(62, 207, 142, 0.35);
}

.badge.warn {
  color: #e6a23c;
  border-color: rgba(230, 162, 60, 0.4);
}

.badge.bad {
  color: var(--bad);
  border-color: rgba(232, 93, 93, 0.35);
}

.badge.license-attention {
  color: #fff;
  background: var(--bad, #c0392b);
  border-color: var(--bad, #c0392b);
  font-weight: 700;
}

.badge.muted {
  color: var(--muted);
}

.mono {
  font-family: var(--mono);
  font-size: 0.85em;
}

.error {
  color: var(--bad);
  margin: 0.5rem 0 1rem;
}

.empty {
  padding: 2rem;
  color: var(--muted);
  text-align: center;
}

.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: min(380px, calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  padding: 0.75rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  animation: toast-in 0.22s ease-out;
}

.toast-info {
  border-left: 3px solid var(--accent);
}

.toast-ok {
  border-left: 3px solid var(--ok);
}

.toast-warn {
  border-left: 3px solid var(--warn);
}

.toast-bad {
  border-left: 3px solid var(--bad);
}

.toast-body {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.toast-detail {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
}

.toast-close {
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 1.15rem;
  line-height: 1;
  padding: 0 0.15rem;
}

.toast-close:hover {
  color: var(--text);
}

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

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: grid;
  place-items: center;
  padding: 1rem;
  z-index: 100;
}

.modal {
  width: min(960px, 100%);
  max-height: min(80vh, 900px);
  overflow: auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.1rem 1.25rem;
}

.modal h2 {
  margin: 0 0 0.75rem;
  font-size: 1.15rem;
}

.toolbar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.toolbar input,
.toolbar select {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 0.45rem 0.7rem;
}

.employee-cell {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-width: 0;
}

.employee-cell__text {
  min-width: 0;
}

.employee-cell__name {
  font-size: 0.85em;
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.employee-avatar-frame {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  line-height: 0;
}

.employee-avatar-frame .employee-avatar {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  border: 0;
  border-radius: 0;
}

.employee-avatar {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  overflow: hidden;
}

.employee-cell img.employee-avatar {
  display: block;
  aspect-ratio: 1;
}

.employee-avatar--fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
  line-height: 1;
}

.section-title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.panel a {
  color: var(--accent);
}

.panel a:hover {
  text-decoration: underline;
}

.guide-install-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  width: 100%;
}

.guide-panel {
  padding: 1rem 1.1rem 1.15rem;
  width: 100%;
  min-width: 0;
}

.guide-page {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: none;
  min-width: 0;
}

.guide-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem 1.5rem;
  margin-bottom: 1.35rem;
  width: 100%;
}

.guide-title {
  margin: 0 0 0.35rem;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.guide-lead {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
  max-width: none;
}

.guide-versions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
}

.guide-version-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  white-space: nowrap;
}

.guide-version-pill.accent {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
}

.guide-version-label {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.75;
}

.guide-callout {
  margin-bottom: 1.25rem;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  line-height: 1.55;
}

.guide-callout.ok {
  border-color: color-mix(in srgb, var(--ok) 35%, var(--border));
  background: color-mix(in srgb, var(--ok) 8%, var(--bg-elevated));
}

.guide-callout.warn {
  border-color: color-mix(in srgb, var(--warn) 35%, var(--border));
  background: color-mix(in srgb, var(--warn) 8%, var(--bg-elevated));
}

.guide-callout-title {
  margin: 0 0 0.25rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
}

.guide-callout-body {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text);
}

.guide-employee-code {
  font-family: var(--mono);
  font-size: 1.05em;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.guide-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.guide-panel-head .section-title {
  margin: 0;
}

.btn-copy {
  flex-shrink: 0;
  min-width: 5.5rem;
}

.btn-copy.copied {
  border-color: color-mix(in srgb, var(--ok) 45%, var(--border));
  color: var(--ok);
}

.guide-code {
  width: 100%;
  box-sizing: border-box;
  font-size: 0.84rem;
  line-height: 1.55;
  padding: 0.9rem 1rem;
  border-radius: 10px;
  color: #d8e8f8;
}

.guide-panel-hint {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.guide-steps {
  margin: 0 0 1rem;
  padding-left: 1.25rem;
  color: var(--muted);
  line-height: 1.55;
}

.guide-steps li {
  margin-bottom: 0.35rem;
}

.guide-steps code,
.guide-note code {
  font-family: var(--mono);
  font-size: 0.85em;
  color: var(--text);
  background: rgba(0, 0, 0, 0.25);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.guide-note {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.copy-block {
  margin-bottom: 0.85rem;
}

.copy-block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.code-block {
  margin: 0;
  padding: 0.75rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.45;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.landing-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.landing-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: rgba(15, 20, 25, 0.92);
  position: sticky;
  top: 0;
  z-index: 10;
}

.landing-main {
  flex: 1;
  padding: 1.25rem 1.5rem 2.5rem;
  width: 100%;
  max-width: none;
  margin: 0;
  box-sizing: border-box;
}

.landing-main .guide-page,
.landing-main .guide-install-grid,
.landing-main .guide-panel,
.landing-main .guide-callout {
  width: 100%;
  max-width: none;
}

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(380px, 100%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.login-card h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.02em;
}

.login-card h1 span {
  color: var(--accent);
}

.login-card .muted {
  margin: 0;
  color: var(--muted);
}

.login-card label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9em;
}

.login-card input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.journal-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: flex-end;
  margin-bottom: 0.75rem;
}

.journal-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9em;
  color: var(--muted);
  min-width: 10rem;
}

.journal-form input[type="text"] {
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  min-width: 14rem;
}

.journal-reverse {
  flex-direction: row;
  align-items: center;
  gap: 0.4rem;
  min-width: auto;
  padding-bottom: 0.45rem;
}

.journal-note {
  margin: 0;
  font-size: 0.88em;
  line-height: 1.45;
}

.journal-meta {
  margin: 0.75rem 0 0.5rem;
  font-size: 0.82rem;
}

.journal-output-panel {
  padding: 0;
  overflow: hidden;
}

.journal-view {
  margin: 0;
  padding: 1rem 1.1rem;
  max-height: 70vh;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--bg);
  border-radius: 0 0 10px 10px;
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 100vh;
    overflow: visible;
  }
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--border);
    overflow: visible;
  }
  .main {
    overflow: visible;
  }
  .nav {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .nav-group {
    flex: 0 0 100%;
    width: 100%;
  }
  .nav-group__items {
    flex-direction: row;
    flex-wrap: wrap;
    margin-left: 0.5rem;
  }
  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

/* Trang dạng "bảng chiếm hết chiều cao": header + toolbar cố định,
   chỉ vùng bảng cuộn, thead sticky. .main padding dọc = 1.5rem + 2.5rem. */
.page-fill {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 4rem);
  min-height: 0;
}

.page-fill > *:not(.table-scroll--fill) {
  flex: 0 0 auto;
}

.page-fill > .panel-pending {
  max-height: 30vh;
  overflow: auto;
}

.table-scroll--fill {
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll--fill .table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-elevated);
  box-shadow: 0 1px 0 var(--border);
}

@media (max-width: 900px) {
  .page-fill {
    height: auto;
    min-height: 0;
  }
  .table-scroll--fill {
    overflow-x: auto;
  }
}