:root {
  --primary: #4f46e5;
  --secondary: #0f766e;
  --accent: #f59e0b;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --header-bg: #ffffff;
  --sidebar-bg: #101827;
  --main-bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #111827;
  --muted: #64748b;
  --border: #e5e7eb;
  --button-radius: 8px;
  --card-radius: 8px;
  --shadow: 0 10px 25px rgba(15, 23, 42, 0.08);
  --sidebar-width: 280px;
  color-scheme: light;
}

html[data-mode="dark"] {
  --header-bg: #0f172a;
  --sidebar-bg: #020617;
  --main-bg: #020617;
  --card-bg: #111827;
  --text: #f9fafb;
  --muted: #94a3b8;
  --border: #1f2937;
  --primary: #818cf8;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--main-bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: var(--primary);
  text-decoration: none;
}

img {
  max-width: 100%;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 520px) 1fr;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 14%, transparent), transparent 38%),
    var(--main-bg);
}

.auth-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 28px;
  background: var(--card-bg);
  border-right: 1px solid var(--border);
}

.auth-card {
  width: min(100%, 390px);
}

.auth-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}

.auth-preview {
  width: min(100%, 680px);
  min-height: 520px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.preview-header {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
}

.preview-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  min-height: 456px;
}

.preview-sidebar {
  background: var(--sidebar-bg);
  padding: 18px;
}

.preview-line {
  height: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.22);
  margin-bottom: 16px;
}

.preview-main {
  padding: 24px;
}

.preview-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 20px;
}

.preview-card {
  min-height: 96px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--primary) 7%, var(--card-bg));
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 28px;
}

.brand-logo,
.avatar,
.avatar-sm {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  overflow: hidden;
}

.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 8px;
}

.brand-logo img,
.avatar img,
.avatar-sm img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar {
  width: 40px;
  height: 40px;
}

.avatar-sm {
  width: 30px;
  height: 30px;
  font-size: 12px;
}

.auth-title,
.page-title h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.auth-subtitle,
.page-title p,
.muted {
  color: var(--muted);
}

.auth-subtitle {
  margin: 8px 0 28px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--sidebar-bg);
  color: #e5e7eb;
  padding: 18px;
  z-index: 30;
}

.sidebar .brand-lockup {
  margin-bottom: 22px;
}

.sidebar .brand-name {
  color: #fff;
  font-size: 17px;
  font-weight: 800;
}

.nav-group {
  margin: 18px 0 8px;
  color: #94a3b8;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #cbd5e1;
  min-height: 40px;
  padding: 9px 10px;
  border-radius: 8px;
  margin: 3px 0;
}

.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.icon {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.main-shell {
  min-width: 0;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 28px;
  background: color-mix(in srgb, var(--header-bg) 92%, transparent);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

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

.content {
  padding: 28px;
}

.page-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.page-title p {
  margin: 6px 0 0;
}

.grid {
  display: grid;
  gap: 18px;
}

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

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

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--card-radius);
  box-shadow: var(--shadow);
}

.card-body {
  padding: 20px;
}

.stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.stat-number {
  font-size: 30px;
  font-weight: 850;
}

.stat-label {
  color: var(--muted);
  font-size: 13px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: color-mix(in srgb, var(--primary) 14%, var(--card-bg));
  color: var(--primary);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

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

tr:last-child td {
  border-bottom: 0;
}

.actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.btn,
button,
input[type="submit"] {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--button-radius);
  background: var(--primary);
  color: #fff;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
  white-space: nowrap;
}

.btn:hover,
button:hover,
input[type="submit"]:hover {
  filter: brightness(0.97);
}

.btn-secondary {
  background: var(--secondary);
}

.btn-light {
  background: var(--card-bg);
  border-color: var(--border);
  color: var(--text);
}

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

.btn-sm {
  min-height: 32px;
  padding: 6px 10px;
  font-size: 13px;
}

.icon-btn {
  width: 38px;
  height: 38px;
  padding: 0;
}

label {
  display: block;
  color: var(--text);
  font-weight: 750;
  margin-bottom: 7px;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text);
  padding: 9px 11px;
  font: inherit;
}

textarea {
  min-height: 112px;
  resize: vertical;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  min-height: auto;
}

.form-row {
  margin-bottom: 16px;
}

.help {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 10px;
}

.check-item {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 2px 9px;
  font-size: 12px;
  font-weight: 800;
  background: color-mix(in srgb, var(--muted) 15%, transparent);
  color: var(--text);
}

.badge-active,
.badge-approved,
.badge-resolved,
.badge-closed {
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success);
}

.badge-inactive,
.badge-rejected {
  background: color-mix(in srgb, var(--danger) 13%, transparent);
  color: var(--danger);
}

.badge-submitted,
.badge-pending-review,
.badge-open,
.badge-in-progress {
  background: color-mix(in srgb, var(--warning) 16%, transparent);
  color: var(--warning);
}

.badge-need-correction,
.badge-waiting-for-employee {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  color: var(--accent);
}

.alert {
  padding: 12px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  border: 1px solid var(--border);
  background: var(--card-bg);
}

.alert-success {
  border-color: color-mix(in srgb, var(--success) 35%, var(--border));
}

.alert-danger {
  border-color: color-mix(in srgb, var(--danger) 35%, var(--border));
}

.empty-state {
  padding: 34px;
  text-align: center;
  color: var(--muted);
}

.profile-menu {
  position: relative;
}

.profile-menu summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
}

.profile-menu summary::-webkit-details-marker {
  display: none;
}

.dropdown {
  position: absolute;
  right: 0;
  top: 48px;
  width: 220px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px;
}

.dropdown a {
  display: block;
  padding: 9px 10px;
  border-radius: 8px;
  color: var(--text);
}

.dropdown a:hover {
  background: color-mix(in srgb, var(--primary) 9%, transparent);
}

.mobile-only {
  display: none;
}

.sidebar-overlay {
  display: none;
}

.footer-note {
  margin-top: 28px;
  color: var(--muted);
  font-size: 13px;
}

.conversation {
  display: grid;
  gap: 12px;
}

.message {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  background: var(--card-bg);
}

.message-meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.color-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  align-items: center;
  gap: 12px;
}

.color-row input[type="color"] {
  height: 42px;
  padding: 4px;
}

@media (max-width: 1100px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-visual {
    display: none;
  }
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    transform: translateX(-100%);
    transition: transform 180ms ease;
    width: min(86vw, var(--sidebar-width));
  }

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

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.48);
    z-index: 25;
  }

  body.sidebar-open .sidebar-overlay {
    display: block;
  }

  .mobile-only {
    display: inline-flex;
  }

  .topbar {
    padding: 0 16px;
  }

  .content {
    padding: 18px;
  }

  .page-head {
    flex-direction: column;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .auth-panel {
    border-right: 0;
  }
}