:root {
  --bg: #dfe8ee;
  --bg-soft: #d4e0e7;
  --panel: rgba(244, 248, 250, 0.96);
  --panel-solid: #f7fafb;
  --panel-2: #e8eff3;
  --text: #102638;
  --muted: #536b7c;
  --line: #bacbd6;
  --primary: #147d92;
  --primary-dark: #0d6679;
  --primary-soft: #e4f5f7;
  --accent: #2eb8a7;
  --sidebar: #0d2335;
  --danger: #dc4c5b;
  --success: #15946f;
  --warning: #d18424;
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 8px 22px rgba(23, 50, 75, 0.1);
  --shadow: 0 18px 50px rgba(23, 50, 75, 0.14);
}

[data-theme="dark"] {
  --bg: #081521;
  --bg-soft: #0d1d2a;
  --panel: rgba(17, 37, 53, 0.92);
  --panel-solid: #112535;
  --panel-2: #162d3e;
  --text: #edf8fb;
  --muted: #94aaba;
  --line: #284354;
  --primary: #36b4c4;
  --primary-dark: #62ced7;
  --primary-soft: #153d48;
  --accent: #4dd0bd;
  --sidebar: #06111b;
  --shadow-sm: 0 8px 22px rgba(0, 0, 0, 0.2);
  --shadow: 0 20px 55px rgba(0, 0, 0, 0.28);
}

[data-palette="beige"] {
  --primary: #967052;
  --primary-dark: #79583f;
  --primary-soft: #efe3d6;
  --accent: #c4a384;
}

[data-palette="sage"] {
  --primary: #66806b;
  --primary-dark: #4f6955;
  --primary-soft: #e1eadd;
  --accent: #9fb49b;
}

[data-palette="rose"] {
  --primary: #a26873;
  --primary-dark: #85515c;
  --primary-soft: #f1dfe2;
  --accent: #d2a0a7;
}

[data-palette="lavender"] {
  --primary: #776b9d;
  --primary-dark: #5f5485;
  --primary-soft: #e8e2f1;
  --accent: #aaa0c8;
}

[data-palette="sky"] {
  --primary: #557f98;
  --primary-dark: #40677f;
  --primary-soft: #dceaf1;
  --accent: #8db4c7;
}

[data-theme="dark"][data-palette="beige"] {
  --primary: #d3b494;
  --primary-dark: #e5c9aa;
  --primary-soft: #3b3028;
  --accent: #bc9675;
}

[data-theme="dark"][data-palette="sage"] {
  --primary: #a9c1a7;
  --primary-dark: #c3d5bf;
  --primary-soft: #26382b;
  --accent: #86a487;
}

[data-theme="dark"][data-palette="rose"] {
  --primary: #d8a7af;
  --primary-dark: #e8bec4;
  --primary-soft: #402c32;
  --accent: #bd8792;
}

[data-theme="dark"][data-palette="lavender"] {
  --primary: #bdb2da;
  --primary-dark: #d2cae6;
  --primary-soft: #312d43;
  --accent: #998dbd;
}

[data-theme="dark"][data-palette="sky"] {
  --primary: #9fc4d7;
  --primary-dark: #bdd9e5;
  --primary-soft: #243744;
  --accent: #78a8be;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 4%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 28rem),
    radial-gradient(circle at 20% 100%, color-mix(in srgb, var(--primary) 10%, transparent), transparent 32rem),
    linear-gradient(145deg, var(--bg), var(--bg-soft));
  font-family: "Segoe UI", "Be Vietnam Pro", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

button,
input,
select {
  font: inherit;
}

button,
a,
input,
select {
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease,
    box-shadow 0.2s ease, transform 0.2s ease;
}

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

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(46, 184, 167, 0.28);
  outline-offset: 2px;
}

/* Khung ứng dụng */
.sidebar {
  position: fixed;
  z-index: 30;
  inset: 0 auto 0 0;
  width: 264px;
  padding: 26px 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: #c5d6e2;
  background:
    radial-gradient(circle at 10% 0%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 16rem),
    linear-gradient(165deg, #102f43 0%, var(--sidebar) 58%, #071725 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.07);
  box-shadow: 14px 0 40px rgba(8, 25, 39, 0.12);
}

.sidebar::before,
.sidebar::after {
  content: "";
  position: absolute;
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.sidebar::before {
  width: 250px;
  height: 250px;
  right: -170px;
  top: 28%;
}

.sidebar::after {
  width: 120px;
  height: 120px;
  right: -70px;
  top: calc(28% + 65px);
}

.brand {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 10px 30px;
  color: #ffffff;
}

.brand-mark {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: inline-grid;
  place-items: center;
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 14px;
  box-shadow: 0 10px 24px color-mix(in srgb, var(--primary) 30%, transparent);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.brand strong {
  display: block;
  font-size: 17px;
  letter-spacing: -0.2px;
}

.brand small,
.topbar-user small {
  display: block;
  margin-top: 2px;
  color: #8fa8b9;
  font-size: 10px;
}

.sidebar nav {
  position: relative;
  display: grid;
  gap: 7px;
}

.sidebar nav a,
.theme-toggle,
.logout {
  width: 100%;
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 14px;
  color: #9fb4c3;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 12px;
  cursor: pointer;
}

.sidebar nav a:hover,
.theme-toggle:hover,
.logout:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.07);
}

.sidebar nav a.active {
  color: #ffffff;
  background: linear-gradient(105deg, rgba(46, 184, 167, 0.24), rgba(54, 180, 196, 0.1));
  border-color: rgba(93, 219, 204, 0.18);
  box-shadow: inset 3px 0 #4dd0bd;
}

.sidebar-footer {
  position: relative;
  margin-top: auto;
  display: grid;
  gap: 5px;
}

.sidebar-footer form {
  margin: 0;
}

.main {
  position: relative;
  min-height: 100vh;
  margin-left: 264px;
}

.main::before {
  content: "";
  position: fixed;
  z-index: -1;
  width: 420px;
  height: 420px;
  right: -170px;
  bottom: -180px;
  border: 1px solid rgba(20, 125, 146, 0.09);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(20, 125, 146, 0.025),
    0 0 0 140px rgba(46, 184, 167, 0.018);
}

.topbar {
  position: sticky;
  z-index: 20;
  top: 0;
  height: 76px;
  padding: 0 34px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  background: color-mix(in srgb, var(--panel-solid) 82%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  box-shadow: 0 5px 24px rgba(23, 50, 75, 0.035);
  backdrop-filter: blur(16px);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 11px;
}

.avatar {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: linear-gradient(145deg, #e9faf8, #dceef5);
  border: 1px solid rgba(20, 125, 146, 0.13);
  border-radius: 13px;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(20, 125, 146, 0.1);
}

[data-theme="dark"] .avatar {
  background: linear-gradient(145deg, #19414b, #183344);
}

.avatar.small {
  width: 34px;
  height: 34px;
  border-radius: 11px;
  font-size: 12px;
}

.content {
  width: min(100%, 1560px);
  margin: 0 auto;
  padding: 36px;
}

#menuToggle {
  display: none;
  margin-right: auto;
}

/* Tiêu đề và nút */
.page-heading {
  margin-bottom: 26px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.page-heading h1 {
  margin: 3px 0 6px;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.22;
  letter-spacing: -1px;
}

.page-heading p {
  margin: 0;
  color: var(--muted);
}

.eyebrow {
  color: var(--primary) !important;
  font-size: 10px !important;
  font-weight: 800;
  letter-spacing: 1.8px;
}

.button {
  min-height: 40px;
  padding: 9px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: 1px solid transparent;
  border-radius: 11px;
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  box-shadow: 0 9px 22px rgba(20, 125, 146, 0.2);
}

.button-primary:hover {
  background: linear-gradient(135deg, #38c5b3, var(--primary-dark));
  box-shadow: 0 11px 26px rgba(20, 125, 146, 0.27);
}

.button-secondary {
  color: var(--text);
  background: var(--panel-solid);
  border-color: var(--line);
  box-shadow: 0 4px 12px rgba(23, 50, 75, 0.04);
}

.button-secondary:hover {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 38%, var(--line));
}

.button-ghost {
  color: var(--muted);
  background: transparent;
}

.button-block {
  width: 100%;
  min-height: 48px;
}

.button-small {
  min-height: 34px;
  padding: 6px 11px;
  font-size: 11px;
}

.icon-button {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-grid;
  place-items: center;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  cursor: pointer;
}

.icon-button:hover {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--line));
  transform: translateY(-1px);
}

.icon-button.danger,
.danger-text {
  color: var(--danger);
}

/* Panel và dashboard */
.panel,
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}

.panel {
  border-radius: var(--radius);
}

.stats-grid {
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.stat {
  position: relative;
  min-height: 132px;
  padding: 22px;
  display: flex;
  gap: 16px;
  overflow: hidden;
  border-radius: var(--radius);
}

.stat::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 90px;
  right: -45px;
  bottom: -45px;
  background: radial-gradient(circle, rgba(46, 184, 167, 0.12), transparent 70%);
  border-radius: 50%;
}

.stat:hover {
  border-color: color-mix(in srgb, var(--primary) 25%, var(--line));
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.stat-icon,
.settings-icon {
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  font-weight: 800;
}

.blue {
  color: #167c99;
  background: #e1f4f8;
}

.green {
  color: #118664;
  background: #e0f7ef;
}

.purple {
  color: #7055bd;
  background: #f0eafd;
}

.orange {
  color: #c27322;
  background: #fff0df;
}

[data-theme="dark"] .blue,
[data-theme="dark"] .green,
[data-theme="dark"] .purple,
[data-theme="dark"] .orange {
  background: var(--panel-2);
}

.stat small {
  color: var(--muted);
  font-weight: 600;
}

.stat strong {
  display: block;
  margin: 3px 0;
  font-size: 28px;
  line-height: 1.25;
  letter-spacing: -0.7px;
}

.stat p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.welcome-panel {
  position: relative;
  padding: 30px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.welcome-panel::after {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  right: 8%;
  top: -150px;
  border: 28px solid rgba(46, 184, 167, 0.06);
  border-radius: 50%;
  pointer-events: none;
}

.welcome-panel h2 {
  margin: 4px 0;
  font-size: 20px;
}

.welcome-panel p {
  margin: 0;
  color: var(--muted);
}

/* Tổng quan */
.dashboard-hero {
  position: relative;
  margin-bottom: 20px;
  padding: 28px 30px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--text);
  background:
    radial-gradient(circle at 86% 10%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 18rem),
    linear-gradient(125deg, var(--primary-soft), var(--panel-solid));
  border: 1px solid color-mix(in srgb, var(--primary) 24%, var(--line));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.dashboard-hero::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  right: 24%;
  top: -125px;
  border: 25px solid color-mix(in srgb, var(--primary) 7%, transparent);
  border-radius: 50%;
}

.dashboard-hero > * {
  position: relative;
  z-index: 1;
}

.dashboard-hero h1 {
  margin: 3px 0 6px;
  font-size: clamp(28px, 3vw, 38px);
  line-height: 1.2;
  letter-spacing: -1.2px;
}

.dashboard-hero p {
  margin: 0;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 9px;
}

.hero-actions form {
  margin: 0;
}

.dashboard-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(300px, 0.75fr);
  gap: 18px;
}

.chart-panel,
.today-status-panel,
.recent-panel,
.device-status-card,
.alerts-card {
  padding: 22px;
}

.dashboard-card-title {
  margin-bottom: 18px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.dashboard-card-title h2 {
  margin: 2px 0 0;
  font-size: 18px;
}

.dashboard-card-title > a {
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
}

.card-summary,
.alert-count {
  padding: 5px 9px;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: 8px;
  font-size: 11px;
  font-weight: 800;
}

.attendance-chart {
  height: 230px;
  padding-top: 12px;
  display: grid;
  grid-template-columns: repeat(7, minmax(32px, 1fr));
  align-items: end;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.chart-column {
  height: 100%;
  display: grid;
  grid-template-rows: 20px 1fr 27px;
  align-items: end;
  justify-items: center;
  gap: 5px;
}

.chart-value {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
}

.chart-track {
  position: relative;
  width: min(34px, 70%);
  height: 100%;
  overflow: hidden;
  background: var(--panel-2);
  border-radius: 8px 8px 3px 3px;
}

.chart-bar {
  position: absolute;
  inset: auto 0 0;
  min-height: 3px;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border-radius: 8px 8px 3px 3px;
  box-shadow: 0 -4px 14px color-mix(in srgb, var(--primary) 16%, transparent);
}

.chart-column small {
  color: var(--muted);
  font-size: 9px;
}

.today-status-panel {
  display: flex;
  flex-direction: column;
}

.status-overview {
  display: grid;
  place-items: center;
  text-align: center;
}

.status-overview > p {
  margin: 10px 0 19px;
  color: var(--muted);
  font-size: 11px;
}

.status-ring {
  width: 122px;
  height: 122px;
  padding: 10px;
  display: grid;
  place-items: center;
  background: conic-gradient(var(--primary) var(--progress), var(--panel-2) 0);
  border-radius: 50%;
  box-shadow: 0 10px 30px color-mix(in srgb, var(--primary) 12%, transparent);
}

.status-ring > div {
  width: 100%;
  height: 100%;
  display: grid;
  place-content: center;
  background: var(--panel-solid);
  border-radius: 50%;
}

.status-ring strong {
  font-size: 28px;
  line-height: 1;
}

.status-ring small {
  color: var(--muted);
  text-align: center;
}

.status-breakdown {
  margin-top: auto;
  display: grid;
  gap: 8px;
}

.status-breakdown > div {
  padding: 9px 11px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-2);
  border-radius: 10px;
}

.status-breakdown p {
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
}

.status-breakdown small {
  color: var(--muted);
  font-size: 10px;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.status-dot.complete {
  background: var(--success);
}

.status-dot.waiting {
  background: var(--warning);
}

.status-dot.missing {
  background: var(--line);
}

.recent-list {
  display: grid;
}

.recent-item {
  padding: 11px 2px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 11px;
  border-top: 1px solid var(--line);
}

.recent-item:first-child {
  border-top: 0;
}

.recent-item strong,
.recent-item small,
.recent-item time {
  display: block;
}

.recent-item small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 9px;
}

.recent-item time {
  color: var(--primary);
  text-align: right;
  font-size: 12px;
  font-weight: 800;
}

.empty.compact {
  padding: 28px 10px;
}

.dashboard-side-stack {
  display: grid;
  align-content: start;
  gap: 18px;
}

.device-last-sync {
  margin-bottom: 16px;
  padding: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel-2);
  border-radius: 12px;
}

.device-last-sync p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.dashboard-alerts {
  display: grid;
  gap: 9px;
}

.dashboard-alert {
  padding: 11px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--panel-2);
  border-radius: 10px;
}

.dashboard-alert > span {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--warning);
  border-radius: 7px;
  font-size: 10px;
  font-weight: 900;
}

.dashboard-alert.danger > span {
  background: var(--danger);
}

.dashboard-alert.muted > span {
  background: var(--muted);
}

.dashboard-alert.success > span {
  background: var(--success);
}

.dashboard-alert strong {
  font-size: 11px;
}

.dashboard-alert p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 9px;
}

.quick-actions-panel {
  margin-top: 18px;
  padding: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.quick-actions-panel h2 {
  margin: 2px 0 0;
  font-size: 18px;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 9px;
}

.quick-actions a {
  min-width: 135px;
  padding: 11px 13px;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 8px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 11px;
}

.quick-actions a:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.quick-actions span {
  grid-row: 1 / 3;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: var(--panel-solid);
  border-radius: 8px;
}

.quick-actions strong {
  font-size: 10px;
}

.quick-actions small {
  color: var(--muted);
  font-size: 8px;
}

/* Form */
.filter-bar {
  margin-bottom: 18px;
  padding: 18px;
  display: flex;
  align-items: end;
  gap: 14px;
}

.filter-bar label,
.form-grid label,
.inline-form label,
.form-panel > label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.filter-search {
  flex: 1;
}

input,
select {
  width: 100%;
  height: 42px;
  padding: 0 13px;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  outline: none;
}

input::placeholder {
  color: color-mix(in srgb, var(--muted) 65%, transparent);
}

input:hover,
select:hover {
  border-color: color-mix(in srgb, var(--primary) 25%, var(--line));
}

input:focus,
select:focus {
  background: var(--panel-solid);
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(20, 125, 146, 0.11);
}

.toolbar {
  margin-bottom: 18px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.search-form,
.toolbar-actions {
  display: flex;
  gap: 8px;
}

.search-form input {
  width: 290px;
}

.import-form {
  display: flex;
}

.form-panel {
  padding: 26px;
}

.form-panel.narrow {
  max-width: 590px;
  display: grid;
  gap: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.form-actions {
  margin-top: 26px;
  padding-top: 20px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  border-top: 1px solid var(--line);
}

/* Bảng */
.table-panel {
  overflow: hidden;
}

.table-title {
  min-height: 72px;
  padding: 19px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
}

.table-title h2,
.table-title h3 {
  margin: 0 0 3px;
  font-size: 17px;
}

.table-title p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  min-width: 850px;
  border-collapse: collapse;
}

th {
  padding: 12px 18px;
  color: var(--muted);
  background: color-mix(in srgb, var(--panel-2) 86%, transparent);
  text-align: left;
  text-transform: uppercase;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.65px;
}

td {
  padding: 15px 18px;
  border-top: 1px solid var(--line);
  white-space: nowrap;
}

tbody tr:hover td {
  background: color-mix(in srgb, var(--primary-soft) 42%, transparent);
}

.person {
  display: flex;
  align-items: center;
  gap: 10px;
}

.code,
.badge {
  display: inline-flex;
  padding: 4px 8px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  font-size: 11px;
}

.time {
  font-weight: 800;
}

.time.in,
.status.online {
  color: var(--success);
}

.time.out {
  color: var(--warning);
}

.muted,
.contact {
  color: var(--muted);
}

.contact {
  line-height: 1.6;
}

.empty {
  padding: 52px;
  color: var(--muted);
  text-align: center;
}

.empty strong {
  color: var(--text);
}

.empty p {
  margin-bottom: 0;
}

.status {
  font-size: 11px;
  font-weight: 800;
}

.status.offline {
  color: var(--muted);
}

.status.log-failed {
  color: var(--danger);
}

.actions {
  display: flex;
  gap: 6px;
}

.table-display-controls {
  margin-left: auto;
  display: flex;
  align-items: end;
  gap: 8px;
}

.table-display-controls label {
  display: grid;
  gap: 3px;
  color: var(--muted);
  font-size: 10px;
}

.table-display-controls select {
  height: 32px;
  padding: 0 8px;
  font-size: 11px;
}

.table-pagination {
  height: 32px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.table-pagination button {
  width: 30px;
  height: 30px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
}

.table-pagination button:disabled {
  opacity: 0.38;
  cursor: default;
}

.page-info {
  min-width: 42px;
  color: var(--muted);
  text-align: center;
  font-size: 11px;
}

.table-wrap.scroll-mode {
  overflow: auto;
}

.table-wrap.scroll-mode thead {
  position: sticky;
  z-index: 2;
  top: 0;
}

/* Hệ thống */
.system-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  align-items: start;
  gap: 20px;
}

.system-tree {
  position: sticky;
  top: 96px;
  padding: 14px;
}

.system-tree-title {
  padding: 8px 8px 17px;
  display: flex;
  align-items: center;
  gap: 11px;
  border-bottom: 1px solid var(--line);
}

.system-tree-title strong,
.system-tree-title small {
  display: block;
}

.system-tree-title small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.system-tree nav {
  padding-top: 9px;
}

.tree-group {
  padding: 8px 0;
}

.tree-group + .tree-group {
  border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.tree-group p {
  margin: 0;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1.4px;
}

.tree-item {
  position: relative;
  width: 100%;
  min-height: 42px;
  padding: 9px 11px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  font-weight: 600;
}

.tree-item::before {
  content: "";
  position: absolute;
  width: 1px;
  height: 14px;
  left: -1px;
  top: 14px;
  background: var(--line);
}

.tree-item span {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: var(--panel-2);
  border-radius: 7px;
}

.tree-item:hover {
  color: var(--text);
  background: var(--panel-2);
}

.tree-item.active {
  color: var(--primary);
  background: var(--primary-soft);
  border-color: color-mix(in srgb, var(--primary) 18%, var(--line));
}

.tree-item.active::after {
  content: "";
  position: absolute;
  width: 3px;
  height: 20px;
  right: -1px;
  top: 10px;
  background: var(--primary);
  border-radius: 4px 0 0 4px;
}

.system-content {
  min-width: 0;
}

.system-section[hidden] {
  display: none;
}

.system-section.active {
  animation: section-in 0.22s ease;
}

@keyframes section-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.section-heading {
  min-height: 74px;
  margin-bottom: 16px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
}

.section-heading h2 {
  margin: 2px 0 4px;
  font-size: 25px;
  letter-spacing: -0.6px;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
}

.section-heading-actions {
  align-items: end;
}

.device-card {
  padding: 26px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
}

.device-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.device-summary h3,
.appearance-card h3 {
  margin: 0;
  font-size: 19px;
}

.device-details {
  grid-column: 1 / -1;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.device-details div {
  min-width: 0;
  padding: 14px 16px;
  background: var(--panel-solid);
}

.device-details dt {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.device-details dd {
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 700;
  white-space: nowrap;
}

.device-card .settings-actions {
  grid-column: 1 / -1;
  justify-content: flex-end;
}

.appearance-card {
  padding: 26px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
}

.appearance-settings {
  display: grid;
  gap: 18px;
}

.appearance-card p {
  margin: 4px 0 0;
  color: var(--muted);
}

.palette-card {
  padding: 26px;
}

.palette-heading {
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.palette-heading h3 {
  margin: 0;
  font-size: 19px;
}

.palette-heading p {
  margin: 4px 0 0;
  color: var(--muted);
}

.palette-current {
  padding: 6px 10px;
  color: var(--primary);
  background: var(--primary-soft);
  border: 1px solid color-mix(in srgb, var(--primary) 22%, var(--line));
  border-radius: 9px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.palette-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.palette-option {
  position: relative;
  min-height: 132px;
  padding: 14px;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 13px;
  cursor: pointer;
  text-align: left;
}

.palette-option:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--line));
  transform: translateY(-2px);
}

.palette-option.active {
  background: var(--primary-soft);
  border-color: var(--primary);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 14%, transparent);
}

.palette-option.active::after {
  content: "✓";
  position: absolute;
  width: 22px;
  height: 22px;
  right: 10px;
  top: 10px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--primary);
  border-radius: 50%;
  font-size: 11px;
  font-weight: 800;
}

.palette-option strong {
  margin-top: 11px;
  font-size: 13px;
}

.palette-option small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 10px;
}

.palette-swatch {
  width: 44px;
  height: 34px;
  border: 3px solid color-mix(in srgb, var(--panel-solid) 85%, transparent);
  border-radius: 10px;
  box-shadow: 0 0 0 1px var(--line);
}

.beige-swatch {
  background: linear-gradient(135deg, #ead9c6, #b99170);
}

.sage-swatch {
  background: linear-gradient(135deg, #dbe7d5, #8fa98e);
}

.rose-swatch {
  background: linear-gradient(135deg, #f1d8dd, #c58f99);
}

.lavender-swatch {
  background: linear-gradient(135deg, #e6def0, #9e91bd);
}

.sky-swatch {
  background: linear-gradient(135deg, #d8e9f1, #7da9bd);
}

.account-guidance {
  padding: 20px 22px;
  background: var(--primary-soft);
  border-bottom: 1px solid var(--line);
  border-radius: var(--radius) var(--radius) 0 0;
}

.account-guidance p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.account-form {
  padding: 24px;
  display: grid;
  grid-template-columns: 2fr 1fr auto auto;
  align-items: end;
  gap: 14px;
}

.account-form label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.account-name {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 10px;
}

.settings-grid {
  margin-bottom: 18px;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 18px;
}

.settings-card {
  padding: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 16px;
}

.settings-card h2 {
  margin: 0 0 5px;
  font-size: 16px;
}

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

.settings-actions {
  grid-column: 2;
  display: flex;
  gap: 8px;
}

.account-create {
  margin-bottom: 18px;
}

.inline-form {
  padding: 20px;
  display: grid;
  grid-template-columns: 2fr 1fr auto auto;
  align-items: end;
  gap: 12px;
}

.check {
  height: 42px;
  display: flex !important;
  align-items: center;
  white-space: nowrap;
}

.check input {
  width: auto;
  height: auto;
}

.permission-form {
  display: flex;
  align-items: center;
  gap: 15px;
}

.switch {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}

.switch input {
  display: none;
}

.switch span {
  position: relative;
  width: 34px;
  height: 19px;
  background: #b8c5cf;
  border-radius: 12px;
}

.switch span::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  left: 2px;
  top: 2px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.14);
  transition: left 0.2s ease;
}

.switch input:checked + span {
  background: var(--primary);
}

.switch input:checked + span::after {
  left: 17px;
}

.action-log-panel {
  margin-top: 18px;
}

.action-log-table {
  min-width: 900px;
}

.action-log-table .log-detail {
  min-width: 280px;
  white-space: normal;
}

/* Thông báo */
.alert {
  margin-bottom: 16px;
  padding: 13px 16px;
  display: flex;
  justify-content: space-between;
  border: 1px solid transparent;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.alert button {
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
}

.alert-success {
  color: #0b7454;
  background: #e1f7ef;
  border-color: #bcebd9;
}

.alert-danger {
  color: #a72d3d;
  background: #fee9ec;
  border-color: #f5cbd1;
}

.alert-warning {
  color: #8b5d12;
  background: #fff4dc;
  border-color: #f4dfad;
}

.alert-temporary_password {
  color: #126a80;
  background: #e5f5f8;
  border-color: #b9e3e9;
  font-weight: 700;
}

/* Đăng nhập */
.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(460px, 1.12fr) minmax(420px, 0.88fr);
  background: var(--panel-solid);
}

.login-art {
  position: relative;
  padding: 54px 8%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: #ffffff;
  background:
    radial-gradient(circle at 16% 14%, color-mix(in srgb, var(--accent) 28%, transparent), transparent 18rem),
    radial-gradient(circle at 86% 82%, color-mix(in srgb, var(--primary) 34%, transparent), transparent 22rem),
    linear-gradient(145deg, #0b2638 0%, #103c52 52%, #0c2639 100%);
}

.login-art::before {
  content: "";
  position: absolute;
  width: 530px;
  height: 530px;
  right: -260px;
  bottom: -230px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 85px rgba(255, 255, 255, 0.025),
    0 0 0 170px rgba(255, 255, 255, 0.018);
}

.login-art::after {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  left: 10%;
  top: 24%;
  background:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(circle, #000, transparent 70%);
}

.login-art > * {
  position: relative;
  z-index: 1;
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 800;
}

.login-art h1 {
  max-width: 680px;
  margin: 10px 0 20px;
  font-size: clamp(40px, 5vw, 62px);
  line-height: 1.13;
  letter-spacing: -2.2px;
}

.login-art p {
  max-width: 580px;
  color: #b9d0dc;
  line-height: 1.85;
}

.login-art .eyebrow {
  color: color-mix(in srgb, var(--accent) 70%, #ffffff) !important;
}

.login-art small {
  color: #7795a7;
}

.login-panel {
  position: relative;
  display: grid;
  place-items: center;
  padding: 40px;
  background:
    radial-gradient(circle at 100% 0%, color-mix(in srgb, var(--accent) 13%, transparent), transparent 22rem),
    linear-gradient(145deg, #e8f0f4, #dbe7ed);
}

.login-panel::before {
  content: "";
  position: absolute;
  inset: 10%;
  pointer-events: none;
  border: 1px solid rgba(20, 125, 146, 0.05);
  border-radius: 36px;
  transform: rotate(-3deg);
}

.login-form {
  position: relative;
  z-index: 1;
  width: min(430px, 100%);
  padding: 34px;
  background: rgba(247, 250, 251, 0.94);
  border: 1px solid #b9ccd7;
  border-radius: var(--radius-lg);
  box-shadow: 0 28px 80px rgba(30, 72, 99, 0.14);
  backdrop-filter: blur(14px);
}

.login-form h2 {
  margin: 0 0 8px;
  font-size: 30px;
  line-height: 1.25;
  letter-spacing: -0.8px;
}

.login-form > p {
  margin: 0 0 28px;
  color: var(--muted);
}

.login-form label {
  margin: 18px 0;
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.login-form input {
  height: 48px;
  background: #e8eff3;
}

.password-wrap {
  position: relative;
}

.password-wrap input {
  padding-right: 62px;
}

.show-password {
  position: absolute;
  right: 8px;
  top: 8px;
  height: 32px;
  color: var(--primary);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}

.login-note {
  margin-top: 21px !important;
  margin-bottom: 0 !important;
  text-align: center !important;
  font-size: 11px;
}

/* Responsive */
@media (max-width: 1180px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .inline-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .account-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .palette-options {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .quick-actions-panel {
    align-items: flex-start;
    flex-direction: column;
  }

  .quick-actions {
    width: 100%;
  }
}

@media (max-width: 860px) {
  .sidebar {
    width: 264px;
    transform: translateX(-105%);
    transition: transform 0.25s ease;
  }

  .sidebar.open {
    transform: none;
  }

  .main {
    margin-left: 0;
  }

  #menuToggle {
    display: grid;
  }

  .topbar {
    padding: 0 18px;
  }

  .content {
    padding: 26px 18px;
  }

  .login-page {
    grid-template-columns: 1fr;
  }

  .login-art {
    display: none;
  }

  .login-panel {
    min-height: 100vh;
  }

  .system-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .system-tree {
    position: static;
  }

  .system-tree nav {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .tree-group {
    padding: 0;
    display: flex;
    gap: 6px;
  }

  .tree-group + .tree-group {
    padding-left: 8px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .tree-group p,
  .tree-item::before,
  .tree-item.active::after {
    display: none;
  }

  .tree-item {
    width: auto;
    white-space: nowrap;
  }
}

@media (max-width: 640px) {
  .content {
    padding: 22px 14px;
  }

  .topbar-user > span:nth-child(2) {
    display: none;
  }

  .page-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .dashboard-hero {
    padding: 24px 20px;
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .attendance-chart {
    gap: 6px;
  }

  .quick-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quick-actions a {
    min-width: 0;
  }

  .stats-grid,
  .form-grid,
  .inline-form {
    grid-template-columns: 1fr;
  }

  .filter-bar,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .search-form,
  .toolbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .search-form input {
    width: 100%;
  }

  .welcome-panel {
    align-items: flex-start;
    gap: 20px;
    flex-direction: column;
  }

  .settings-card {
    grid-template-columns: 1fr;
  }

  .settings-actions {
    grid-column: 1;
    flex-wrap: wrap;
  }

  .device-details,
  .account-form {
    grid-template-columns: 1fr;
  }

  .appearance-card {
    grid-template-columns: auto 1fr;
  }

  .appearance-card .button {
    grid-column: 1 / -1;
  }

  .palette-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .palette-options {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-display-controls {
    width: 100%;
    margin-left: 0;
    flex-wrap: wrap;
  }

  .login-panel {
    padding: 18px;
  }

  .login-form {
    padding: 26px 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}