:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0b6e67;
  --accent-strong: #074f4a;
  --accent-soft: #d5f5f1;
  --danger: #b42318;
  --border: #dbe2ea;
  --ring: rgba(11, 110, 103, 0.25);
  --shadow-sm: 0 8px 20px rgba(2, 8, 23, 0.06);
  --shadow-lg: 0 20px 42px rgba(2, 8, 23, 0.12);
  --sidebar-width: 264px;
  --sidebar-collapsed-width: 84px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -20%, #d6f4ef 0%, transparent 52%),
    radial-gradient(900px 420px at 100% 0%, #e3eefc 0%, transparent 48%),
    var(--bg);
}

.app-shell {
  min-height: 100vh;
}

.sidebar-overlay {
  display: none;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-width);
  background:
    linear-gradient(165deg, #052d2a 0%, #0a4f4a 48%, #0b6e67 100%);
  color: #f0fdfa;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  z-index: 20;
  transition: width 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  overflow: hidden;
  border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.sidebar::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 30%);
}

.sidebar-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrap {
  display: flex;
  align-items: center;
  min-height: 40px;
}

.top-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.sidebar-toggle-btn {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
}

.sidebar-toggle-btn svg {
  transition: transform 0.22s ease;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #e6fffa;
}

.icon-btn svg,
.mobile-menu-btn svg,
.nav-icon svg {
  width: 18px;
  height: 18px;
}

.brand {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.3px;
  white-space: nowrap;
  transition: opacity 0.2s ease;
}

.brand-mini {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: none;
  place-items: center;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #e6fffa;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.sidebar nav {
  display: grid;
  gap: 10px;
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  gap: 10px;
}

.sidebar-footer form {
  margin: 0;
}

.sidebar-toggle-footer {
  justify-self: end;
}

.sidebar a {
  text-decoration: none;
  color: #d1fae5;
  padding: 11px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid transparent;
  position: relative;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.16s ease;
}

.nav-icon {
  width: 20px;
  height: 20px;
  display: inline-grid;
  place-items: center;
}

.nav-label {
  white-space: nowrap;
  transition: opacity 0.16s ease;
}

.sidebar a:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.16);
}

.sidebar a.active {
  background: linear-gradient(135deg, rgba(213, 245, 241, 0.25), rgba(213, 245, 241, 0.08));
  border-color: rgba(213, 245, 241, 0.42);
  color: #f7fffd;
}

.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  max-height: 100vh;
  overflow-y: auto;
  padding: 22px;
}

.utility-bar {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 8px;
}

.theme-fab {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.page-shell {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  gap: 18px;
}

.page-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.page-title-row p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.mobile-menu-btn {
  display: none;
  margin-bottom: 14px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  place-items: center;
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border);
}

.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
  overflow: hidden;
}

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

.sidebar-collapsed .brand,
.sidebar-collapsed .nav-label {
  display: none;
}

.sidebar-collapsed .brand-mini {
  display: inline-grid;
}

.sidebar-collapsed .sidebar a,
.sidebar-collapsed .ghost-btn {
  justify-content: center;
  padding-left: 0;
  padding-right: 0;
}

.sidebar-collapsed .top-actions {
  width: 100%;
  justify-content: center;
}

.sidebar-collapsed .sidebar-footer {
  justify-items: center;
}

.sidebar-collapsed .sidebar-toggle-footer {
  justify-self: center;
}

.sidebar-collapsed .nav-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.sidebar-collapsed .sidebar a:hover,
.sidebar-collapsed .ghost-btn:hover {
  transform: none;
}

.sidebar-collapsed .sidebar-toggle-btn svg {
  transform: rotate(180deg);
}

h1 {
  margin: 0;
  font-family: "Space Grotesk", "Manrope", sans-serif;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
}

.card p {
  font-size: 34px;
  margin: 8px 0 0;
  font-weight: 700;
  line-height: 1;
}

.metric-note {
  display: inline-block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.card h3,
.panel h2 {
  margin: 0;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.panel h2 {
  margin-bottom: 14px;
}

.inline-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.form-grid {
  display: grid;
  gap: 10px;
}

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

button:disabled {
  cursor: wait;
  opacity: 0.6;
}

label {
  font-weight: 600;
  font-size: 13px;
  color: #334155;
}

input,
textarea,
select,
button {
  font: inherit;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--ring);
}

button {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 700;
}

button:hover {
  filter: brightness(1.06);
}

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

button.ghost-btn {
  margin-top: auto;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #d1fae5;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 14px;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--border);
  padding: 12px 11px;
  vertical-align: top;
}

th {
  background: var(--panel-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #475569;
}

tbody tr:hover td {
  background: #fbfdff;
}

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

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(1000px 420px at -10% -10%, #114f4b 0%, transparent 65%),
    radial-gradient(900px 420px at 105% 0%, #115f73 0%, transparent 60%),
    linear-gradient(120deg, #0a3d3a, #0f5568);
}

.login-card {
  width: min(500px, 94vw);
  background: white;
  border-radius: 20px;
  padding: 26px;
  box-shadow: var(--shadow-lg);
}

.login-card p {
  color: var(--muted);
  margin: 8px 0 14px;
}

.error-box {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 12px;
}

.notice {
  border-radius: 12px;
  padding: 12px 14px;
  font-weight: 600;
  border: 1px solid transparent;
}

.notice.success {
  background: #e8fbf2;
  border-color: #b9f1d3;
  color: #0a7a46;
}

.notice.error {
  background: #fdecec;
  border-color: #f6c0bc;
  color: #b42318;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
}

.badge.success {
  background: #e8fbf2;
  color: #0a7a46;
  border-color: #b9f1d3;
}

.badge.warning {
  background: #fff7e7;
  color: #9b6a00;
  border-color: #f4dd9f;
}

.badge.danger {
  background: #fdecec;
  color: #b42318;
  border-color: #f6c0bc;
}

.badge.neutral {
  background: #eef2f7;
  color: #475569;
  border-color: #d6dee8;
}

.theme-dark {
  --bg: #0f172a;
  --panel: #111827;
  --panel-soft: #1f2937;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --accent-soft: #0e3a3a;
  --border: #2c3442;
  --ring: rgba(57, 190, 179, 0.35);
  --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 42px rgba(0, 0, 0, 0.5);
}

.theme-dark .sidebar {
  background: linear-gradient(165deg, #031513 0%, #06302c 45%, #0a4e49 100%);
}

.theme-dark .theme-fab {
  background: #121a27;
  color: #dbe7ff;
  border-color: #2f3c53;
}

.theme-dark .sidebar-collapsed .nav-icon,
.theme-dark .brand-mini {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.18);
}

.theme-dark .panel,
.theme-dark .card,
.theme-dark .mobile-menu-btn,
.theme-dark .login-card,
.theme-dark input,
.theme-dark textarea,
.theme-dark select {
  color: var(--text);
}

.theme-dark input,
.theme-dark textarea,
.theme-dark select {
  background: #0b1220;
}

.theme-dark th {
  background: #1a2434;
  color: #cbd5e1;
}

.theme-dark tbody tr:hover td {
  background: #162032;
}

.theme-dark .badge.success {
  background: #0d2f23;
  color: #69e1a6;
  border-color: #1f6e4d;
}

.theme-dark .badge.warning {
  background: #312710;
  color: #f2d189;
  border-color: #6d5a26;
}

.theme-dark .badge.danger {
  background: #341919;
  color: #f0a7a1;
  border-color: #75423f;
}

.theme-dark .badge.neutral {
  background: #1a2434;
  color: #9fb3ca;
  border-color: #2f3d52;
}

@media (max-width: 860px) {
  .credential-grid {
    grid-template-columns: 1fr;
  }

  .sidebar-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(2, 8, 23, 0.5);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    z-index: 15;
  }

  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    width: var(--sidebar-width);
  }

  .main-content {
    margin-left: 0;
    min-height: 100vh;
    max-height: none;
  }

  .mobile-menu-btn {
    display: inline-grid;
  }

  .utility-bar {
    margin-bottom: 10px;
  }

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

  .sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar-collapsed .main-content {
    margin-left: 0;
  }
}