:root {
  --bg: #0b1020;
  --panel: #11182b;
  --panel2: #172039;
  --line: #25304c;
  --text: #edf2ff;
  --muted: #8e9bb9;
  --accent: #35d39a;
  --accent2: #20b982;
  --danger: #ff657a;
  --warning: #ffc857;
  --blue: #67a8ff;
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

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

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 24px 70px rgba(0,0,0,.35);
}

.login-card h1 {
  margin: 14px 0 0;
  font-size: 32px;
}

.brand-mark {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), #159b72);
  color: #04110d;
  font-weight: 900;
  font-size: 26px;
}

.brand-mark.small {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  font-size: 20px;
}

label {
  display: block;
  color: var(--muted);
  font-size: 14px;
  margin-top: 18px;
}

input,
select {
  width: 100%;
  margin-top: 7px;
  padding: 12px 13px;
  border-radius: 11px;
  border: 1px solid var(--line);
  background: #0c1325;
  color: var(--text);
  outline: none;
}

input:focus,
select:focus {
  border-color: var(--accent);
}

button {
  border: 0;
  border-radius: 11px;
  padding: 11px 15px;
}

.primary {
  background: var(--accent);
  color: #06150f;
  font-weight: 800;
}

.primary:hover {
  background: var(--accent2);
}

.secondary {
  background: var(--panel2);
  color: var(--text);
  border: 1px solid var(--line);
}

.danger {
  background: var(--danger);
  color: white;
}

.danger.ghost {
  background: rgba(255,101,122,.12);
  color: #ff8a9b;
  border: 1px solid rgba(255,101,122,.25);
}

.full {
  width: 100%;
  margin-top: 22px;
}

.form-error {
  min-height: 22px;
  margin-top: 12px;
  color: #ff8a9b;
  font-size: 14px;
}

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 250px 1fr;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 250px;
  background: #0e1528;
  border-right: 1px solid var(--line);
  padding: 18px;
  display: flex;
  flex-direction: column;
  z-index: 30;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px 22px;
}

.sidebar-brand strong {
  display: block;
  font-size: 19px;
}

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

#nav {
  display: grid;
  gap: 6px;
}

.nav-item {
  text-align: left;
  color: #aeb9d2;
  background: transparent;
  padding: 12px 14px;
}

.nav-item:hover,
.nav-item.active {
  background: var(--panel2);
  color: var(--text);
}

.nav-item.active {
  border-left: 3px solid var(--accent);
}

.sidebar-footer {
  margin-top: auto;
}

#sidebarUser {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.main {
  grid-column: 2;
  min-width: 0;
}

.topbar {
  min-height: 76px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11,16,32,.94);
  backdrop-filter: blur(12px);
}

.topbar h2 {
  margin: 0;
  font-size: 21px;
}

.topbar p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.top-user {
  margin-left: auto;
  font-size: 13px;
  color: var(--muted);
}

.menu-button {
  display: none;
  background: var(--panel2);
  color: white;
}

.content {
  padding: 24px;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(130px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.stat-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.stat-card strong {
  display: block;
  font-size: 28px;
  margin-top: 8px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}

.panel-head h3 {
  margin: 0;
}

.panel-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.channel-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(150px,1fr));
  gap: 12px;
}

.channel-card {
  border: 1px solid var(--line);
  background: #0c1325;
  border-radius: 14px;
  padding: 16px;
}

.channel-card h4 {
  margin: 0 0 12px;
}

.channel-card .channel-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.channel-number {
  background: var(--panel2);
  padding: 10px;
  border-radius: 10px;
}

.channel-number span {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.channel-number strong {
  font-size: 20px;
}

.filters,
.route-form {
  display: flex;
  gap: 10px;
  align-items: end;
  margin-bottom: 17px;
  flex-wrap: wrap;
}

.filters input,
.filters select,
.route-form input,
.route-form select {
  width: auto;
  min-width: 170px;
  margin: 0;
  flex: 1;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: 780px;
}

th,
td {
  text-align: left;
  padding: 12px 13px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  vertical-align: middle;
}

th {
  color: var(--muted);
  background: #0e1629;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

tbody tr:hover {
  background: rgba(255,255,255,.018);
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 11px;
  background: var(--panel2);
}

.badge.good {
  background: rgba(53,211,154,.13);
  color: #69e8b8;
}

.badge.warn {
  background: rgba(255,200,87,.12);
  color: #ffd678;
}

.badge.bad {
  background: rgba(255,101,122,.12);
  color: #ff8a9b;
}

.action-row {
  display: flex;
  gap: 6px;
}

.action-row button {
  padding: 7px 10px;
  font-size: 12px;
}

.inline-channel {
  min-width: 105px !important;
  width: 120px !important;
  margin: 0 !important;
  padding: 7px !important;
}

.empty {
  padding: 28px;
  text-align: center;
  color: var(--muted);
}

#toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 100;
  max-width: 360px;
}

.toast-item {
  background: #1b2540;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 8px;
  box-shadow: 0 12px 40px rgba(0,0,0,.3);
}

.toast-item.error {
  border-color: rgba(255,101,122,.5);
}

@media (max-width: 1150px) {
  .stats-grid {
    grid-template-columns: repeat(3,1fr);
  }

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

@media (max-width: 760px) {
  .app {
    display: block;
  }

  .sidebar {
    transform: translateX(-105%);
    transition: transform .2s ease;
    box-shadow: 18px 0 50px rgba(0,0,0,.4);
  }

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

  .main {
    width: 100%;
  }

  .menu-button {
    display: inline-block;
  }

  .top-user {
    display: none;
  }

  .content {
    padding: 14px;
  }

  .stats-grid {
    grid-template-columns: repeat(2,1fr);
    gap: 10px;
  }

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

  .panel {
    padding: 13px;
  }

  .panel-head {
    align-items: flex-start;
  }

  .filters,
  .route-form {
    display: grid;
    grid-template-columns: 1fr;
  }

  .filters input,
  .filters select,
  .route-form input,
  .route-form select {
    width: 100%;
  }
}

/* ==========================================================
   DINRAT MANAGEMENT UI
   ========================================================== */

.management-note {
  margin: 4px 0 18px;
  color: var(--muted);
  font-size: 13px;
}

.management-warning {
  margin-bottom: 18px;
  padding: 13px 14px;
  border: 1px solid rgba(255,200,87,.25);
  background: rgba(255,200,87,.08);
  border-radius: 11px;
  color: #ffd678;
  font-size: 13px;
}

.permission-toolbar {
  display: flex;
  gap: 10px;
  margin-bottom: 15px;
}

.permission-toolbar select {
  width: min(420px, 100%);
  margin: 0;
}

.selected-account-card {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  padding: 13px 14px;
  margin-bottom: 15px;
  background: #0c1325;
  border: 1px solid var(--line);
  border-radius: 12px;
}

.selected-account-card span {
  color: var(--muted);
  font-size: 13px;
}

.permission-grid {
  display: grid;
  grid-template-columns:
    repeat(2, minmax(240px, 1fr));
  gap: 10px;
}

.permission-item {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0;
  padding: 13px;
  background: #0c1325;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--text);
}

.permission-item input {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: none;
}

.permission-item span {
  overflow-wrap: anywhere;
}

.permission-actions {
  margin-top: 16px;
  display: flex;
  justify-content: flex-end;
}

@media (max-width: 760px) {
  .permission-grid {
    grid-template-columns: 1fr;
  }

  .permission-toolbar select {
    width: 100%;
  }

  .permission-actions button {
    width: 100%;
  }
}

/* ==========================================================
   DINRAT TELEGRAM + AUDIT UI
   ========================================================== */

.system-form {
  display: grid;
  gap: 15px;
}

.system-form > label:not(.system-check) {
  display: grid;
  gap: 7px;
}

.system-status-card {
  margin-bottom: 18px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #0c1325;
}

.system-check-grid {
  display: grid;
  grid-template-columns:
    repeat(3, minmax(180px, 1fr));
  gap: 10px;
}

.system-check {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: #0c1325;
}

.system-check input {
  width: 18px;
  height: 18px;
  margin: 0;
  flex: none;
}

.danger-check {
  border-color:
    rgba(255, 90, 90, .25);
}

.system-actions {
  display: flex;
  justify-content: flex-end;
}

.audit-details {
  display: inline-block;
  max-width: 460px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 11px;
}

@media (max-width: 760px) {
  .system-check-grid {
    grid-template-columns: 1fr;
  }

  .system-actions button {
    width: 100%;
  }

  .audit-details {
    max-width: 260px;
  }
}

/* ==========================================================
   DINRAT LOGIN-AS UI
   ========================================================== */

.impersonation-banner {
  position: sticky;
  top: 0;
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 14px;
  background: #772600;
  color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.3);
}

.impersonation-banner.hidden {
  display: none !important;
}

.impersonation-banner > div {
  display: flex;
  gap: 9px;
  flex-wrap: wrap;
  align-items: center;
}

.impersonation-banner button {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.45);
  color: #fff;
  border-radius: 9px;
  padding: 8px 12px;
  font-weight: 700;
}

.impersonation-info {
  padding: 13px;
  margin-bottom: 16px;
  border: 1px solid rgba(255,170,80,.3);
  border-radius: 10px;
  background: rgba(255,150,50,.08);
}

.nav-item[hidden] {
  display: none !important;
}

@media (max-width: 760px) {
  .impersonation-banner {
    flex-direction: column;
    align-items: stretch;
  }

  .impersonation-banner button {
    width: 100%;
  }
}