/* ============================================================================
   DEVILVERSE Billing — Admin Theme (Frontend UI/UX only)
   ----------------------------------------------------------------------------
   Scope : MagnusBilling X1 admin surface re-skin. Dark navy base with
           cyan / violet accents matching devilverse.org brand.
   Palette source : DEVILVERSE brand SVGs (authoritative)
        -- ink/navy : #0A0E17     -- cyan : #22D3EE     -- violet : #8B5CF6
   Maintainability : ALL colours/radii/type/spacing live in :root tokens below.
                     Component rules reference tokens; theme = change tokens.
   ==========================================================================*/

:root {
  /* ---- brand palette ---- */
  --dv-ink: #0A0E17;                 /* page background (dark navy) */
  --dv-ink-2: #101726;               /* elevated surface */
  --dv-card: #0E1422;                /* card surface */
  --dv-card-2: #141C30;              /* inner / hover surface */
  --dv-line: rgba(148, 163, 184, 0.14);
  --dv-line-strong: rgba(148, 163, 184, 0.28);
  --dv-cyan: #22D3EE;
  --dv-violet: #8B5CF6;
  --dv-cyan-soft: rgba(34, 211, 238, 0.14);
  --dv-violet-soft: rgba(139, 92, 246, 0.14);
  --dv-grad: linear-gradient(135deg, #22D3EE 0%, #8B5CF6 100%);

  /* ---- semantic ---- */
  --dv-text: #E7EBF4;
  --dv-text-2: #B7C0D0;
  --dv-muted: #7C879C;
  --dv-faint: #565F70;
  --dv-success: #34D399;
  --dv-warning: #F5B73F;
  --dv-danger: #F6635C;
  --dv-info: #38BDF8;

  /* ---- focus / accessibility ---- */
  --dv-focus: #8B5CF6;
  --dv-focus-ring: 0 0 0 3px rgba(139, 92, 246, 0.45);

  /* ---- geometry ---- */
  --dv-radius: 10px;
  --dv-radius-sm: 7px;
  --dv-radius-lg: 16px;
  --dv-shadow: 0 12px 30px rgba(5, 9, 18, 0.55);
  --dv-font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --dv-mono: "SFMono", "JetBrains Mono", "SF Mono", "Menlo", Consolas, monospace;
}

/* ============================================================================
   BASE / RESET
   ==========================================================================*/
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
  background: var(--dv-ink);
  color: var(--dv-text);
  font-family: var(--dv-font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--dv-violet-soft);
}

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

a:hover {
  color: var(--dv-cyan);
  text-decoration: underline;
}

/* Accessible, uniform keyboard focus (WCAG 2.4.7). */
:focus-visible {
  outline: 2px solid var(--dv-violet);
  outline-offset: 2px;
  box-shadow: var(--dv-focus-ring);
}

:focus:not(:focus-visible) {
  outline: none;
}

h1, h2, h3 {
  letter-spacing: -0.01em;
}

/* ============================================================================
   BRAND MARK / FAVICON
   ==========================================================================*/
.app-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.app-brand .brand-mark {
  width: 30px;
  height: 30px;
  flex: 0 0 auto;
}

.app-brand .brand-word {
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}

.app-brand .brand-word .brand-sub {
  display: block;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dv-cyan);
}

/* ============================================================================
   LOGIN
   ==========================================================================*/
.login-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  align-items: stretch;
  background:
    radial-gradient(1000px 620px at 14% -6%, rgba(139, 92, 246, 0.16), transparent 62%),
    radial-gradient(900px 560px at 106% 108%, rgba(34, 211, 238, 0.14), transparent 60%),
    var(--dv-ink);
}

.login-hero {
  position: relative;
  padding: 2.4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.6rem;
}

.login-hero .kicker {
  color: var(--dv-cyan);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.login-hero h1 {
  font-size: 2.05rem;
  line-height: 1.15;
  margin: 0;
}

.login-hero p {
  color: var(--dv-text-2);
  max-width: 34rem;
  margin: 0;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.76rem;
  color: var(--dv-text-2);
  border: 1px solid var(--dv-line);
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  background: var(--dv-ink-2);
}

.hero-chip .live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--dv-cyan);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.18);
}

.login-card {
  align-self: center;
  width: 24rem;
  margin: 0 auto;
  background: var(--dv-card);
  border: 1px solid var(--dv-line-strong);
  border-radius: var(--dv-radius-lg);
  box-shadow: var(--dv-shadow);
  padding: 1.9rem 1.7rem;
  color: var(--dv-text);
}

.login-card .login-title {
  font-size: 1.28rem;
  font-weight: 700;
  margin: 0.6rem 0 0.2rem;
}

.login-card .login-sub {
  color: var(--dv-muted);
  font-size: 0.86rem;
  margin: 0 0 1.4rem;
}

.divider-label {
  color: var(--dv-faint);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 1.1rem 0 0;
}

.divider-label::before,
.divider-label::after {
  content: "";
  height: 1px;
  flex: 1;
  background: var(--dv-line-strong);
}

.preview-flag {
  display: block;
  width: 100%;
  text-align: center;
  font-size: 0.7rem;
  color: var(--dv-warning);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px dashed rgba(245, 183, 63, 0.42);
  border-radius: 999px;
  padding: 0.3rem 0;
  margin: 0 0 1.1rem;
}

/* ============================================================================
   FORMS (login + filters + settings)
   ==========================================================================*/
.field {
  margin: 0 0 1.05rem;
}

.field label,
.field-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dv-text-2);
  margin: 0 0 0.4rem;
}

.input,
.text-input,
select.input,
textarea.input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--dv-ink-2);
  color: var(--dv-text);
  border: 1px solid var(--dv-line-strong);
  border-radius: var(--dv-radius-sm);
  font: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input::placeholder {
  color: var(--dv-faint);
}

.input:hover {
  border-color: rgba(34, 211, 238, 0.45);
}

.input:focus {
  border-color: var(--dv-violet);
  box-shadow: var(--dv-focus-ring);
  outline: none;
}

.input.is-invalid {
  border-color: var(--dv-danger);
}

.inline-check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  color: var(--dv-text-2);
  cursor: pointer;
}

.inline-check input[type="checkbox"] {
  accent-color: var(--dv-cyan);
  width: 16px;
  height: 16px;
}

.input-append {
  display: flex;
  align-items: stretch;
}

.input-append .input {
  flex: 1;
}

/* ============================================================================
   BUTTONS
   ==========================================================================*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.58rem 1.05rem;
  border-radius: var(--dv-radius-sm);
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.05s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--dv-grad);
  background-color: var(--dv-violet);
  color: #fff;
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.28), 0 8px 22px rgba(34, 211, 238, 0.22);
}

.btn-cyan {
  background: var(--dv-cyan-soft);
  color: var(--dv-cyan);
  border: 1px solid rgba(34, 211, 238, 0.4);
}

.btn-violet {
  background: var(--dv-violet-soft);
  color: #c8b7ff;
  border: 1px solid rgba(139, 92, 246, 0.42);
}

.btn-ghost {
  background: transparent;
  color: var(--dv-text-2);
  border: 1px solid var(--dv-line-strong);
}

.btn-danger-ghost {
  background: transparent;
  color: var(--dv-danger);
  border: 1px solid rgba(246, 99, 92, 0.4);
}

.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--dv-radius-sm);
  background: var(--dv-card-2);
  border: 1px solid var(--dv-line);
  color: var(--dv-text-2);
}

/* ============================================================================
   APP SHELL — TOP BAR
   ==========================================================================*/
.shell {
  min-height: 100vh;
  display: grid;
  grid-template-areas: "topbar topbar" "sidebar main";
  grid-template-rows: 56px 1fr;
  grid-template-columns: 250px 1fr;
}

.topbar {
  grid-area: topbar;
  background: var(--dv-ink-2);
  border-bottom: 1px solid var(--dv-line-strong);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 1.25rem;
  position: sticky;
  top: 0;
  z-index: 90;
}

.topbar .app-brand {
  height: 100%;
}

/* hamburger — hidden on desktop, shown on small screens */
.menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--dv-radius-sm);
  border: 1px solid var(--dv-line);
  background: var(--dv-card-2);
  color: var(--dv-text-2);
  cursor: pointer;
  flex: 0 0 auto;
}
.menu-btn:hover,
.menu-btn:focus-visible {
  color: var(--dv-cyan);
  border-color: var(--dv-cyan);
  outline: 2px solid var(--dv-focus);
  outline-offset: 1px;
}

/* mobile nav backdrop — hidden until .sidebar-open */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 14, 0.62);
  z-index: 84;
}
body.sidebar-open .nav-backdrop {
  display: block;
}

.topbar-search {
  flex: 1;
  position: relative;
}

.topbar-search .input {
  padding-left: 2.1rem;
}

.topbar-search .search-ico {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dv-faint);
  font-size: 0.9rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-btn {
  position: relative;
  width: 38px;
  height: 38px;
  border: none;
  background: transparent;
  color: var(--dv-text-2);
  border-radius: var(--dv-radius-sm);
  cursor: pointer;
}

.icon-btn:hover {
  background: var(--dv-card-2);
  color: var(--dv-cyan);
}

.icon-btn .badge-dot {
  position: absolute;
  top: 5px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  background: var(--dv-danger);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.user-chip .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--dv-grad);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.78rem;
}

.user-chip .user-meta {
  line-height: 1.1;
  text-align: left;
}

.user-chip .user-name {
  font-size: 0.84rem;
  color: var(--dv-text);
  font-weight: 600;
}

.user-chip .user-role {
  font-size: 0.7rem;
  color: var(--dv-muted);
}

/* ============================================================================
   APP SHELL — SIDEBAR
   ==========================================================================*/
.sidebar {
  grid-area: sidebar;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.025), rgba(139, 92, 246, 0.025)),
    var(--dv-ink);
  border-right: 1px solid var(--dv-line);
  overflow-y: auto;
  padding: 1rem 0.9rem;
}

.sidebar-section-title {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dv-faint);
  margin: 0.9rem 0 0.3rem;
  padding: 0 0.7rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: var(--dv-radius-sm);
  background: transparent;
  border: none;
  color: var(--dv-text-2);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
}

.nav-item .nav-ico {
  width: 20px;
  text-align: center;
  color: var(--dv-muted);
  flex: 0 0 auto;
}

.nav-item:hover {
  background: var(--dv-card-2);
  color: var(--dv-text);
}

.nav-item.is-active {
  background: var(--dv-violet-soft);
  color: #d8ccff;
  border-left: 3px solid var(--dv-cyan);
  font-weight: 600;
}

.nav-item .nav-label {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-item .nav-tag {
  flex: 0 0 auto;
  margin-left: auto;
  font-size: 0.62rem;
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  background: var(--dv-cyan-soft);
  color: var(--dv-cyan);
  font-weight: 700;
  white-space: nowrap;
}

/* ============================================================================
   MAIN CONTENT / PAGE HEADER
   ==========================================================================*/
.main {
  grid-area: main;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  padding: 1.25rem 1.5rem;
  overflow-y: auto;
}

.page-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 0;
}

.breadcrumb {
  font-size: 0.76rem;
  color: var(--dv-muted);
}

.breadcrumb a {
  color: var(--dv-cyan);
}

/* ============================================================================
   CARDS
   ==========================================================================*/
.card {
  background: var(--dv-card);
  border: 1px solid var(--dv-line);
  border-radius: var(--dv-radius);
  box-shadow: var(--dv-shadow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding: 0.9rem 1.05rem;
}

.card-header h3 {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0;
}

.card-body {
  padding: 1rem 1.05rem;
}

/* ---- KPI stat card ---- */
.stat-card {
  background: linear-gradient(160deg, var(--dv-card) 82%, rgba(139, 92, 246, 0.06));
  border: 1px solid var(--dv-line);
  border-radius: var(--dv-radius);
  padding: 1.05rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  inset: 0 0 0 auto;
  width: 3px;
  height: 100%;
  background: var(--dv-grad);
  opacity: 0.5;
}

.stat-card .stat-label {
  font-size: 0.78rem;
  color: var(--dv-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.stat-card .stat-value {
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--dv-text);
  font-variant-numeric: tabular-nums;
}

.stat-card .stat-delta {
  font-size: 0.76rem;
}

.stat-card .stat-delta.up {
  color: var(--dv-success);
}

.stat-card .stat-delta.down {
  color: var(--dv-danger);
}

.stat-card .stat-delta.flat {
  color: var(--dv-muted);
}

/* ============================================================================
   STATUS PILLS (CDR + tables)
   ==========================================================================*/
.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.24rem 0.55rem;
  border-radius: 999px;
  letter-spacing: 0.01em;
}

.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.pill.answer,
.pill.success {
  background: rgba(52, 211, 153, 0.14);
  color: var(--dv-success);
}

.pill.noanswer,
.pill.warn {
  background: rgba(245, 183, 63, 0.14);
  color: var(--dv-warning);
}

.pill.busy,
.pill.error {
  background: rgba(246, 99, 92, 0.14);
  color: var(--dv-danger);
}

.pill.failed,
.pill.cancel {
  background: rgba(148, 163, 184, 0.16);
  color: var(--dv-text-2);
}

.pill.live,
.pill.active,
.pill.cyan {
  background: var(--dv-cyan-soft);
  color: var(--dv-cyan);
}

.pill.violet {
  background: var(--dv-violet-soft);
  color: #c8b7ff;
}

.pill.info {
  background: rgba(56, 189, 248, 0.14);
  color: var(--dv-info);
}

/* ============================================================================
   TABLES (CDR + lists)
   ==========================================================================*/
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
}

.table th {
  text-align: left;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--dv-text-2);
  padding: 0.62rem 0.85rem;
  background: var(--dv-ink-2);
  border-bottom: 1px solid var(--dv-line-strong);
  white-space: nowrap;
}

.table td {
  padding: 0.66rem 0.85rem;
  border-bottom: 1px solid var(--dv-line);
  vertical-align: middle;
}

.table tbody tr:hover {
  background: var(--dv-card-2);
}

.table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.table .muted {
  color: var(--dv-muted);
}

.mono {
  font-family: var(--dv-mono);
  font-size: 0.84rem;
}

.tbl-actions {
  display: inline-flex;
  gap: 0.3rem;
}

.small-icon-btn {
  width: 27px;
  height: 27px;
  border-radius: 6px;
  border: 1px solid var(--dv-line);
  background: transparent;
  color: var(--dv-text-2);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 0.72rem;
}

.small-icon-btn:hover {
  background: var(--dv-violet-soft);
  color: #c8b7ff;
}

.small-icon-btn.danger:hover {
  background: rgba(246, 99, 92, 0.12);
  color: var(--dv-danger);
}

/* ---- related record flag (keeps source-of-truth attribution) ---- */
.primary-src {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.66rem;
  color: var(--dv-muted);
  border: 1px dashed var(--dv-line-strong);
  border-radius: 999px;
  padding: 0.05rem 0.5rem;
}

/* ============================================================================
   FILTER BAR (CDR)
   ==========================================================================*/
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.7rem;
}

.filter-bar .field {
  margin: 0;
}

.filter-bar .field.compact input {
  width: 11.5rem;
}

.date-range {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.date-range .input {
  width: 9.2rem;
}

/* ============================================================================
   PAGINATION
   ==========================================================================*/
.pager {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.pager .page {
  min-width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--dv-card-2);
  border: 1px solid var(--dv-line);
  color: var(--dv-text-2);
  font-weight: 600;
  cursor: pointer;
}

.pager .page:hover {
  border-color: var(--dv-cyan);
  color: var(--dv-cyan);
}

.pager .page.is-active {
  background: var(--dv-grad);
  background-color: var(--dv-violet);
  color: #fff;
  border-color: transparent;
}

.pager .page.is-disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pager-info {
  font-size: 0.8rem;
  color: var(--dv-muted);
}

.per-page {
  font-size: 0.8rem;
  color: var(--dv-muted);
}

/* ============================================================================
   DIALOG / MODAL
   ==========================================================================*/
.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 9, 18, 0.62);
  display: grid;
  place-items: center;
  z-index: 200;
}

.dialog {
  width: 27rem;
  max-width: calc(100vw - 2rem);
  background: var(--dv-card);
  border: 1px solid var(--dv-line-strong);
  border-radius: var(--dv-radius-lg);
  box-shadow: var(--dv-shadow);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1rem;
}

.dialog-header h3 {
  margin: 0;
  font-size: 1rem;
}

.dialog-close {
  background: none;
  border: none;
  color: var(--dv-muted);
  font-size: 1.1rem;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  cursor: pointer;
}

.dialog-close:hover {
  background: var(--dv-card-2);
  color: var(--dv-text);
}

.dialog-body {
  padding: 1rem;
  color: var(--dv-text-2);
}

.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  padding: 0.7rem 1rem;
}

/* ============================================================================
   NOTIFICATIONS / TOASTS
   ==========================================================================*/
.toast-stack {
  position: fixed;
  top: 72px;
  right: 18px;
  z-index: 300;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.toast {
  background: var(--dv-card);
  border: 1px solid var(--dv-line-strong);
  border-left: 3px solid var(--dv-cyan);
  border-radius: var(--dv-radius);
  box-shadow: var(--dv-shadow);
  padding: 0.8rem 0.95rem;
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
}

.toast .toast-ico {
  color: var(--dv-cyan);
  flex: 0 0 auto;
}

.toast .toast-body {
  flex: 1;
}

.toast .toast-title {
  font-weight: 600;
  font-size: 0.86rem;
  margin: 0;
}

.toast .toast-msg {
  font-size: 0.8rem;
  color: var(--dv-muted);
  margin: 0.1rem 0 0;
}

.toast.type-success {
  border-left-color: var(--dv-success);
}

.toast.type-success .toast-ico {
  color: var(--dv-success);
}

.toast.type-warning {
  border-left-color: var(--dv-warning);
}

.toast.type-warning .toast-ico {
  color: var(--dv-warning);
}

.toast.type-error {
  border-left-color: var(--dv-danger);
}

.toast.type-error .toast-ico {
  color: var(--dv-danger);
}

.toast .toast-close {
  background: none;
  border: none;
  color: var(--dv-muted);
  cursor: pointer;
  font-size: 0.9rem;
}

/* ============================================================================
   CHARTS (static placeholders — sample only)
   ==========================================================================*/
.chart-panel {
  background: var(--dv-card);
  border: 1px solid var(--dv-line);
  border-radius: var(--dv-radius);
  padding: 0.9rem 1rem;
}

.chart-panel .chart-legend {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.76rem;
  color: var(--dv-muted);
}

.chart-panel .legend-dot.cyan {
  background: var(--dv-cyan);
}

.chart-panel .legend-dot.violet {
  background: var(--dv-violet);
}

.chart-grid {
  height: 190px;
  position: relative;
  background:
    linear-gradient(180deg, transparent 0%, rgba(148, 163, 184, 0.10) 50%, transparent 100%);
  border-bottom: 1px solid var(--dv-line);
}

.bar {
  position: absolute;
  bottom: 0;
  width: 18px;
  border-radius: 3px 3px 0 0;
  background: var(--dv-cyan);
  opacity: 0.9;
}

.bar.violet {
  background: var(--dv-violet);
  opacity: 0.9;
}

/* ============================================================================
   TABS
   ==========================================================================*/
.tabs {
  display: flex;
  gap: 0.2rem;
  border-bottom: 1px solid var(--dv-line-strong);
}

.tab {
  padding: 0.5rem 0.95rem;
  background: transparent;
  border: none;
  color: var(--dv-muted);
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}

.tab:hover {
  color: var(--dv-text-2);
}

.tab.is-active {
  color: var(--dv-cyan);
  border-bottom-color: var(--dv-cyan);
  font-weight: 600;
}

/* ============================================================================
   TAGS / BADGES / MISC
   ==========================================================================*/
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.7rem;
  color: var(--dv-cyan);
  background: var(--dv-cyan-soft);
  border-radius: 6px;
  padding: 0.12rem 0.5rem;
}

.copyright {
  font-size: 0.72rem;
  color: var(--dv-faint);
  text-align: center;
  margin: 0;
}

.kbd {
  font-family: var(--dv-mono);
  font-size: 0.74rem;
  background: var(--dv-card-2);
  border: 1px solid var(--dv-line);
  border-radius: 5px;
  padding: 0.08rem 0.4rem;
  color: var(--dv-text-2);
}

.empty-state {
  padding: 2rem;
  text-align: center;
  color: var(--dv-muted);
}

/* ============================================================================
   RESPONSIVE
   ==========================================================================*/
@media (max-width: 1180px) {
  .shell {
    grid-template-columns: 218px 1fr;
  }
}

@media (max-width: 1020px) {
  .login-wrap {
    grid-template-columns: 1fr;
  }

  .login-hero {
    display: none;
  }

  .stat-grid {
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  }
}

@media (max-width: 900px) {
  .shell {
    grid-template-areas: "topbar topbar" "main main";
  }

  .menu-btn {
    display: inline-flex;
  }

  /* off-canvas drawer (replaces display:none) */
  .sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    width: 272px;
    z-index: 85;
    transform: translateX(-103%);
    transition: transform 0.26s ease;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  }
  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  .filter-bar,
  .page-title-row {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 640px) {
  .topbar-search {
    display: none;
  }

  .card-body,
  .table-wrap {
    overflow-x: auto;
  }
}

/* Respect reduced-motion preferences (dialogs/toasts/tooltips). */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}