:root {
  --bg: #eef3fb;
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --text: #112038;
  --muted: #5a6f8e;
  --border: #d7e1ef;
  --primary: #1366d6;
  --primary-strong: #0d4ea7;
  --danger: #c81e3c;
  --warning: #9a6b00;
  --success: #117a55;
  --shadow: 0 16px 42px rgba(17, 32, 56, 0.08);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

html[data-theme="dark"] {
  --bg: #081120;
  --surface: rgba(13, 24, 42, 0.9);
  --surface-strong: #0d1c33;
  --text: #e8f0ff;
  --muted: #afbfde;
  --border: #233a60;
  --primary: #4d9cff;
  --primary-strong: #3184ea;
  --danger: #ff6b88;
  --warning: #f3b543;
  --success: #4fd0a2;
  --shadow: 0 20px 48px rgba(2, 8, 18, 0.45);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 420px at 12% 8%, rgba(19, 102, 214, 0.18), transparent 64%),
    radial-gradient(880px 440px at 90% 4%, rgba(34, 197, 94, 0.13), transparent 68%),
    var(--bg);
}

.erp-body {
  min-height: 100vh;
}

.erp-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}

.erp-sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  backdrop-filter: blur(9px);
  display: flex;
  flex-direction: column;
  padding: 14px 12px;
  gap: 12px;
}

.erp-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.erp-brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, #3da0ff 100%);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.erp-brand-title {
  font-weight: 800;
  letter-spacing: 0.04em;
}

.erp-brand-sub {
  color: var(--muted);
  font-size: 12px;
}

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

.erp-nav-group {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-strong);
  padding: 6px 6px 4px;
}

.erp-nav-group summary {
  list-style: none;
  cursor: pointer;
  padding: 9px 10px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.erp-nav-group summary::after {
  content: "▾";
  font-size: 11px;
  opacity: 0.7;
  transition: transform 0.2s ease;
}

.erp-nav-group[open] summary {
  color: var(--text);
  background: rgba(19, 102, 214, 0.08);
}

.erp-nav-group[open] summary::after {
  transform: rotate(180deg);
}

.erp-nav-group .erp-nav-link {
  margin-top: 4px;
}

.erp-nav-link {
  border-radius: 12px;
  padding: 10px 12px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid transparent;
  transition: 0.18s ease;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  min-height: 40px;
}

.erp-nav-link:hover {
  border-color: var(--border);
  background: rgba(19, 102, 214, 0.08);
}

.erp-nav-link.is-active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
  box-shadow: var(--shadow);
}

.erp-sidebar-footer {
  margin-top: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.badge {
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(19, 102, 214, 0.12);
}

.badge.muted {
  background: rgba(120, 140, 170, 0.12);
}

.erp-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 0;
  gap: 0;
}

.erp-topbar {
  position: sticky;
  top: 0;
  z-index: 45;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-top: 0;
  border-left: 0;
  border-right: 0;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}

.erp-topbar-title h1 {
  margin: 0;
  font-size: 18px;
}

.erp-topbar-title p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.erp-topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.quick-nav {
  position: relative;
}

.quick-nav-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  width: min(300px, 70vw);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
  box-shadow: var(--shadow);
  padding: 8px;
  display: none;
  z-index: 55;
}

.quick-nav-menu.open {
  display: grid;
  gap: 6px;
}

.quick-nav-menu a {
  border: 1px solid transparent;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
  padding: 9px 10px;
}

.quick-nav-menu a:hover,
.quick-nav-menu a.is-active {
  border-color: var(--border);
  background: rgba(19, 102, 214, 0.08);
}

.pill {
  border: 1px solid var(--border);
  background: rgba(19, 102, 214, 0.1);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
}

.icon-btn,
.link-btn,
.primary-btn {
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text);
  border-radius: 10px;
  cursor: pointer;
  text-decoration: none;
  font-weight: 700;
  transition: 0.18s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1;
}

.icon-btn {
  width: 38px;
  height: 38px;
}

.link-btn {
  padding: 9px 12px;
}

.primary-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff;
  border-color: transparent;
  padding: 10px 14px;
}

.icon-btn:hover,
.link-btn:hover,
.primary-btn:hover {
  transform: translateY(-1px);
}

.erp-content {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px 18px 20px;
}

.hero-card,
.panel {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.hero-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: linear-gradient(120deg, rgba(19, 102, 214, 0.12), rgba(26, 180, 132, 0.08)), var(--surface);
}

.hero-card h2 {
  margin: 0 0 4px;
}

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

.hero-badges {
  display: flex;
  gap: 8px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  background: var(--surface);
  min-height: 96px;
}

.metric-card h3 {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.metric-card strong {
  display: block;
  margin-top: 10px;
  font-size: 24px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.service-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  background: var(--surface-strong);
}

.service-card.is-enabled {
  border-color: rgba(17, 122, 85, 0.45);
}

.service-card.is-disabled {
  border-color: rgba(154, 107, 0, 0.45);
}

.service-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.service-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.service-pill {
  font-size: 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 8px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.panel-head h3 {
  margin: 0;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

th,
td {
  text-align: left;
  padding: 11px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

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

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
}

.form-grid.compact {
  gap: 8px 10px;
}

.form-grid .full {
  grid-column: 1 / -1;
}

label {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
}

input,
select,
textarea {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  color: var(--text);
  padding: 9px 10px;
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(19, 102, 214, 0.28);
  border-color: var(--primary);
}

.split-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-stack {
  display: grid;
  gap: 12px;
}

.module-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.module-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  background: var(--surface-strong);
}

.module-item p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
}

.plain-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.alerts {
  display: grid;
  gap: 8px;
}

.alert {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 14px;
  background: var(--surface);
}

.alert-success {
  border-color: rgba(17, 122, 85, 0.35);
  color: var(--success);
}

.alert-error {
  border-color: rgba(200, 30, 60, 0.35);
  color: var(--danger);
}

.alert-warning {
  border-color: rgba(154, 107, 0, 0.35);
  color: var(--warning);
}

.alert-info {
  color: var(--muted);
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-shell {
  width: min(920px, 100%);
}

.login-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 24px;
}

.login-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}

.login-logo {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--primary), #4ca8ff);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
}

.login-brand h1 {
  margin: 0;
}

.login-brand p {
  margin: 2px 0 0;
  color: var(--muted);
}

.login-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1180px) {
  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .erp-shell {
    grid-template-columns: 1fr;
  }

  .erp-sidebar {
    position: fixed;
    z-index: 35;
    width: min(84vw, 300px);
    transform: translateX(-102%);
    transition: transform 0.2s ease;
  }

  .erp-shell.sidebar-open .erp-sidebar {
    transform: translateX(0);
  }

  .erp-main {
    padding: 0;
  }

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

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

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

@media (max-width: 640px) {
  .erp-topbar {
    flex-wrap: wrap;
    border-radius: 0 0 14px 14px;
    gap: 8px;
    padding: 10px;
  }

  .erp-topbar-actions {
    width: 100%;
    justify-content: flex-end;
    gap: 8px;
  }

  .erp-topbar-title h1 {
    font-size: 16px;
  }

  .hero-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .erp-content {
    padding: 10px;
  }

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

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

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

  .quick-nav-menu {
    left: -20px;
    width: min(92vw, 320px);
  }
}

.erp-shell.sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
}

.erp-shell.sidebar-collapsed .erp-sidebar {
  display: none;
}

@media (max-width: 920px) {
  .erp-shell.sidebar-collapsed .erp-sidebar {
    display: flex;
  }
}