:root {
  --app-bg: #f3f5fb;
  --app-surface: #ffffff;
  --app-surface-soft: #f8faff;
  --app-border: #dfe5f2;
  --app-border-strong: #c9d3e8;
  --app-sidebar: #161f30;
  --app-sidebar-top: #1e2a42;
  --app-sidebar-text: #b7c3dd;
  --app-sidebar-active: #2e90fa;
  --app-heading: #1a2438;
  --app-text: #475672;
  --app-accent: #2e90fa;
  --app-accent-soft: #e8f2ff;
  --app-shadow: 0 12px 30px rgba(20, 33, 61, 0.08);
  --app-topbar-shadow: 0 6px 22px rgba(16, 31, 62, 0.05);
  --app-overlay: rgba(88, 132, 213, 0.24);
  --app-table-head: #f6f8fe;
  --app-table-head-text: #5b6b89;
  --app-table-text: #364664;
  --app-table-border: #edf1fa;
  --app-table-stripe: #f9fbff;
  --app-table-hover: #eef5ff;
  --app-muted: #7b8aa6;
  --app-input-bg: #ffffff;
  --app-input-text: #364664;
  --app-dot-shadow: 0 0 0 4px var(--app-accent-soft);
  --app-scrollbar: rgba(115, 134, 170, 0.4);
}

html[data-theme="dark"] {
  --app-bg: #09111f;
  --app-surface: #0f1a2d;
  --app-surface-soft: #13223b;
  --app-border: #1c3150;
  --app-border-strong: #294266;
  --app-sidebar: #060d1a;
  --app-sidebar-top: #0a1325;
  --app-sidebar-text: #9fb3d3;
  --app-sidebar-active: #4ea5ff;
  --app-heading: #edf4ff;
  --app-text: #a9bbd8;
  --app-accent: #4ea5ff;
  --app-accent-soft: rgba(78, 165, 255, 0.18);
  --app-shadow: 0 18px 34px rgba(0, 0, 0, 0.34);
  --app-topbar-shadow: 0 12px 26px rgba(0, 0, 0, 0.26);
  --app-overlay: rgba(78, 165, 255, 0.16);
  --app-table-head: #12233d;
  --app-table-head-text: #8ea6cb;
  --app-table-text: #d5e3f8;
  --app-table-border: #1b2c47;
  --app-table-stripe: rgba(19, 34, 59, 0.72);
  --app-table-hover: rgba(78, 165, 255, 0.12);
  --app-muted: #8ea6cb;
  --app-input-bg: #0b1628;
  --app-input-text: #e3eeff;
  --app-dot-shadow: 0 0 0 4px rgba(78, 165, 255, 0.2);
  --app-scrollbar: rgba(97, 127, 176, 0.5);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--app-bg);
}

body.coreui-app {
  background: linear-gradient(180deg, #f7f9ff 0%, var(--app-bg) 100%);
  color: var(--app-text);
  font-family: "Rubik", "Noto Sans", "Segoe UI", sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background 0.2s ease, color 0.2s ease;
}

html[data-theme="dark"] body.coreui-app {
  background: radial-gradient(circle at top, rgba(78, 165, 255, 0.08) 0%, transparent 32%), linear-gradient(180deg, #0d1728 0%, var(--app-bg) 100%);
}

a {
  color: var(--app-accent);
}

a:hover {
  color: #196fd1;
}

.app-topbar {
  background: var(--app-surface);
  border-bottom: 1px solid var(--app-border);
  box-shadow: var(--app-topbar-shadow);
  z-index: 1030;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.app-topbar__inner {
  min-height: 62px;
  padding: 0.65rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--app-heading);
  text-decoration: none;
}

.app-brand__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2e90fa 0%, #8ac6ff 100%);
  box-shadow: var(--app-dot-shadow);
}

.topbar-user {
  color: var(--app-heading);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.4rem 0.7rem;
  border-radius: 0.7rem;
  background: var(--app-surface-soft);
  border: 1px solid var(--app-border);
}

.topbar-toggle {
  border: 1px solid var(--app-border);
  color: var(--app-heading);
}

.topbar-theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--app-border);
  background: var(--app-surface-soft);
  color: var(--app-heading);
  font-weight: 700;
  padding-inline: 0.8rem;
}

.topbar-theme-toggle:hover,
.topbar-theme-toggle:focus {
  border-color: var(--app-border-strong);
  background: var(--app-surface);
  color: var(--app-heading);
}

.app-layout {
  min-height: calc(100vh - 62px);
  overflow-x: hidden;
}

.app-layout > .row {
  min-height: calc(100vh - 62px);
  flex-wrap: nowrap;
  align-items: stretch;
}

.sidebar-wrap {
  min-height: calc(100vh - 62px);
  flex: 0 0 268px;
  width: 268px;
  min-width: 268px;
  max-width: 268px;
}

.app-sidebar {
  border-right: 1px solid var(--app-border-strong);
  background: linear-gradient(180deg, var(--app-sidebar-top) 0%, var(--app-sidebar) 100%);
  min-height: calc(100vh - 62px);
  color: var(--app-sidebar-text);
}

.app-sidebar__header {
  border-bottom: 1px solid rgba(183, 195, 221, 0.2);
}

.app-nav {
  gap: 0.22rem;
}

.app-nav-link {
  border-radius: 0.7rem;
  color: var(--app-sidebar-text);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.52rem 0.72rem;
  transition: all 0.16s ease;
}

.app-nav-link i {
  width: 14px;
  text-align: center;
  font-size: 0.86rem;
}

.app-nav-link:hover,
.app-nav-link:focus {
  color: #eff5ff;
  background: var(--app-overlay);
}

.app-nav-link.active {
  color: #ffffff;
  background: linear-gradient(90deg, rgba(46, 144, 250, 0.9) 0%, rgba(25, 111, 209, 0.82) 100%);
  box-shadow: 0 10px 18px rgba(20, 82, 150, 0.28);
}

main[class*="col-"] {
  min-height: calc(100vh - 62px);
  padding: 1.55rem 1.7rem !important;
  margin-left: 0 !important;
  flex: 1 1 0;
  min-width: 0;
  width: auto;
  max-width: none;
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  color: var(--app-heading);
  font-weight: 700;
}

.h2,
h2 {
  letter-spacing: 0.01em;
}

.border-bottom {
  border-bottom-color: var(--app-border) !important;
}

.table-responsive {
  border-radius: 0.9rem;
  border: 1px solid var(--app-border);
  box-shadow: var(--app-shadow);
  background: var(--app-surface);
  margin-bottom: 1rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  margin-bottom: 0;
}

.table thead th {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--app-table-head-text);
  border-bottom: 1px solid var(--app-border);
  background: var(--app-table-head);
}

.table td {
  color: var(--app-table-text);
  border-color: var(--app-table-border);
  font-size: 0.92rem;
  background-color: transparent;
}

.table-striped > tbody > tr:nth-of-type(odd) > * {
  --bs-table-accent-bg: var(--app-table-stripe);
}

.table-hover > tbody > tr:hover > * {
  --bs-table-accent-bg: var(--app-table-hover);
}

.card,
.alert,
.modal-content,
.dropdown-menu {
  border: 1px solid var(--app-border);
  box-shadow: var(--app-shadow);
}

.card {
  border-radius: 0.9rem;
}

.form-control,
.form-select,
.form-check-input,
.btn {
  border-radius: 0.7rem;
}

.form-control,
.form-select {
  border-color: var(--app-border-strong);
  background: var(--app-input-bg);
  color: var(--app-input-text);
  max-width: 100%;
}

.form-control:focus,
.form-select:focus {
  border-color: #8bbcff;
  box-shadow: 0 0 0 0.2rem rgba(46, 144, 250, 0.15);
}

.form-control::placeholder {
  color: var(--app-muted);
}

.form-check-input {
  border-color: var(--app-border-strong);
  background-color: var(--app-input-bg);
}

.btn-primary {
  background: linear-gradient(135deg, #2e90fa 0%, #1f78dc 100%);
  border-color: #237edb;
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, #1f78dc 0%, #1567bf 100%);
  border-color: #1567bf;
}

main .small {
  font-size: 0.83rem;
}

pre,
code,
kbd,
samp {
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.app-empty {
  min-height: calc(100vh - 200px);
  display: grid;
  place-items: center;
}

.app-empty__box {
  width: min(680px, 100%);
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: 1rem;
  box-shadow: var(--app-shadow);
  padding: 2rem 1.4rem;
  text-align: center;
}

.app-empty__code {
  margin: 0;
  font-size: clamp(3rem, 11vw, 6rem);
  font-weight: 800;
  line-height: 1;
  color: #2e90fa;
}

.card,
.alert,
.modal-content,
.dropdown-menu,
.offcanvas,
.list-group-item,
.table-responsive,
.topbar-user,
.topbar-toggle,
.topbar-theme-toggle {
  background-color: var(--app-surface);
  color: var(--app-text);
}

.card-header,
.card-footer,
.modal-header,
.modal-footer,
.list-group-item {
  border-color: var(--app-border);
}

.dropdown-item,
.btn-close {
  color: var(--app-text);
}

.text-muted,
.text-body-secondary,
.small.text-muted,
small.text-muted {
  color: var(--app-muted) !important;
}

.table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--app-table-text);
  --bs-table-border-color: var(--app-table-border);
}

.modal-backdrop {
  --bs-backdrop-opacity: 0.7;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: var(--app-scrollbar);
  border-radius: 999px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

img,
svg,
canvas,
video {
  max-width: 100%;
}

@media (max-width: 991.98px) {
  .app-layout > .row {
    flex-wrap: wrap;
  }

  .sidebar-wrap {
    min-height: unset;
    flex: 0 0 100%;
    max-width: 100%;
  }

  .app-sidebar {
    width: min(320px, 86vw) !important;
    min-height: 100%;
  }

  main[class*="col-"] {
    padding: 1rem !important;
  }

  .btn-toolbar,
  .btn-group {
    flex-wrap: wrap;
  }
}