:root {
  --bg: #eef0ff;
  --surface: #fbfcff;
  --surface-2: #f4f6ff;
  --ink: #171a2f;
  --muted: #6a72a0;
  --line: #d7ddff;
  --brand: #5f6eff;
  --brand-2: #7286ff;
  --deep: #4d5de3;
  --ok: #3fb98f;
  --warn: #ffb13c;
  --danger: #ff5f73;
  --shadow-soft: 0 16px 40px rgba(42, 55, 140, 0.14);
  --shadow-hard: 0 24px 62px rgba(32, 46, 124, 0.22);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}

.bg-layer {
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(38rem 24rem at 8% 6%, rgba(95, 110, 255, 0.2), transparent 70%),
    radial-gradient(32rem 18rem at 94% 10%, rgba(132, 148, 255, 0.24), transparent 74%),
    radial-gradient(34rem 22rem at 60% 98%, rgba(68, 85, 189, 0.18), transparent 74%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg,
    rgba(95, 110, 255, 0.05) 0,
    rgba(95, 110, 255, 0.05) 1px,
    transparent 1px,
    transparent 56px
  );
}

a {
  color: inherit;
}

.topbar,
.layout {
  width: min(1240px, 94vw);
  margin-inline: auto;
}

.topbar {
  margin-top: 16px;
  border: 1px solid rgba(28, 39, 110, 0.14);
  border-radius: 18px;
  background: rgba(251, 252, 255, 0.94);
  backdrop-filter: blur(9px);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  position: sticky;
  top: 8px;
  z-index: 50;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-cube {
  width: 40px;
  height: 40px;
  position: relative;
  display: inline-block;
  clip-path: polygon(50% 0, 94% 23%, 94% 77%, 50% 100%, 6% 77%, 6% 23%);
  background: linear-gradient(165deg, #7f95ff, #4f63f0);
  box-shadow: 0 10px 24px rgba(88, 104, 245, 0.44);
}

.logo-cube::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0));
  clip-path: polygon(50% 0, 94% 23%, 50% 46%, 6% 23%);
}

.logo-cube::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0));
  clip-path: polygon(50% 46%, 94% 23%, 94% 77%, 50% 100%);
}

.brand strong {
  display: block;
  font-size: 1rem;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  text-transform: lowercase;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
}

.top-user {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

#top-user-id {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.84rem;
  color: var(--muted);
}

.layout {
  margin-top: 20px;
  margin-bottom: 26px;
}

.hidden {
  display: none !important;
}

.auth-card {
  max-width: 520px;
  margin: 48px auto 0;
  border-radius: 22px;
  border: 1px solid rgba(28, 39, 110, 0.15);
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  padding: 26px;
}

.auth-card h1 {
  margin: 0;
  font-size: 1.75rem;
}

.auth-card > p {
  margin: 10px 0 0;
  color: var(--muted);
}

.form-grid {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.soft-form {
  margin-top: 14px;
  border-top: 1px dashed rgba(28, 39, 110, 0.15);
  padding-top: 14px;
}

.auth-switch {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.auth-tab {
  border: 1px solid rgba(28, 39, 110, 0.18);
  border-radius: 11px;
  background: #fff;
  color: #3a488e;
  padding: 10px;
  font-weight: 800;
  cursor: pointer;
}

.auth-tab.active {
  background: linear-gradient(140deg, #5f6eff, #7a8cff);
  color: #f6f8ff;
  border-color: transparent;
}

.auth-panel {
  display: none;
  margin-top: 12px;
}

.auth-panel.active {
  display: block;
}

.legacy-auth {
  margin-top: 12px;
}

.legacy-auth summary {
  cursor: pointer;
  font-weight: 700;
  color: #3a488e;
}

.legacy-form {
  margin-top: 8px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  font-size: 0.92rem;
}

input,
select,
button {
  font-family: inherit;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(28, 39, 110, 0.18);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
  font-size: 0.95rem;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(95, 110, 255, 0.17);
}

.auth-hint {
  margin-top: 16px;
  border-top: 1px dashed rgba(28, 39, 110, 0.15);
  padding-top: 14px;
  color: var(--muted);
}

.auth-hint p {
  margin: 0;
  font-size: 0.9rem;
}

.auth-hint p + p {
  margin-top: 6px;
}

.auth-hint a {
  color: #4458e7;
}

.app-view {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 14px;
}

.sidebar {
  border: 1px solid rgba(28, 39, 110, 0.12);
  border-radius: 16px;
  background: var(--surface);
  padding: 10px;
  height: max-content;
  position: sticky;
  top: 88px;
}

.nav-item {
  width: 100%;
  border: 0;
  border-radius: 12px;
  text-align: left;
  padding: 10px 12px;
  font-size: 0.95rem;
  font-weight: 700;
  color: #3d4a97;
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-item:hover {
  background: #edf0ff;
}

.nav-item.active {
  background: linear-gradient(140deg, #5f6eff, #7a8cff);
  color: #f6f8ff;
}

.content {
  border: 1px solid rgba(28, 39, 110, 0.12);
  border-radius: 18px;
  background: var(--surface);
  padding: 16px;
  min-height: 70vh;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.44rem;
}

.panel-head p {
  margin: 0;
  color: var(--muted);
  font-weight: 600;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.stat {
  border: 1px solid rgba(28, 39, 110, 0.12);
  border-radius: 14px;
  padding: 12px;
  background: var(--surface-2);
}

.stat p {
  margin: 0;
  font-size: 0.84rem;
  color: var(--muted);
  font-weight: 700;
}

.stat h3 {
  margin: 8px 0 0;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 1.35rem;
}

.grid-2 {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.card {
  border: 1px solid rgba(28, 39, 110, 0.12);
  border-radius: 14px;
  background: var(--surface-2);
  padding: 14px;
}

.card h3 {
  margin: 0;
}

.profile-block {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.profile-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.92rem;
}

.profile-row code {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  background: #e9edff;
  border-radius: 8px;
  padding: 4px 6px;
  max-width: 58%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-list {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.link-list a {
  color: #465ae8;
  font-weight: 700;
  text-decoration: none;
}

.tariff-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.tariff-card {
  border: 1px solid rgba(28, 39, 110, 0.14);
  border-radius: 15px;
  background: #f7f8ff;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.tariff-card.hot {
  border-color: rgba(95, 110, 255, 0.5);
  box-shadow: 0 14px 30px rgba(95, 110, 255, 0.16);
}

.tariff-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.tariff-name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 800;
  color: #4d5bb3;
}

.tariff-price {
  margin: 0;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 1.52rem;
  font-weight: 700;
}

.tariff-price span {
  font-size: 0.8rem;
  color: var(--muted);
}

.tariff-specs {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
  font-size: 0.9rem;
}

.tariff-specs li::before {
  content: "◆";
  color: #5f6eff;
  margin-right: 8px;
}

.row-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.servers-wrap {
  display: grid;
  gap: 12px;
}

.server-card {
  border: 1px solid rgba(28, 39, 110, 0.13);
  border-radius: 14px;
  background: #f8f9ff;
  padding: 14px;
}

.server-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

.server-title {
  margin: 0;
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 1rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-size: 0.76rem;
  padding: 5px 10px;
  font-weight: 800;
}

.badge.active {
  background: rgba(63, 185, 143, 0.15);
  color: #2f8f6f;
}

.badge.suspended {
  background: rgba(255, 177, 60, 0.17);
  color: #a46d11;
}

.badge.expired {
  background: rgba(255, 95, 115, 0.16);
  color: #b44052;
}

.server-meta {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.meta-item {
  background: #edf1ff;
  border-radius: 10px;
  padding: 8px;
}

.meta-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.meta-item strong {
  display: block;
  margin-top: 5px;
  font-size: 0.95rem;
}

.server-actions {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.action-group {
  border: 1px dashed rgba(28, 39, 110, 0.2);
  border-radius: 10px;
  padding: 8px;
  display: grid;
  gap: 6px;
}

.action-group label {
  font-size: 0.76rem;
  color: var(--muted);
  font-weight: 800;
}

.topup-card {
  max-width: 620px;
}

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

.promo-form {
  margin-top: 8px;
  display: grid;
  gap: 10px;
}

.rewards-card {
  min-height: 170px;
}

.security-card {
  min-height: 170px;
  display: grid;
  gap: 12px;
}

.security-status {
  display: grid;
  gap: 8px;
}

.security-block {
  border: 1px dashed rgba(28, 39, 110, 0.2);
  border-radius: 12px;
  background: #f7f8ff;
  padding: 10px;
  display: grid;
  gap: 8px;
}

.security-block h4 {
  margin: 0;
  font-size: 0.95rem;
}

.security-secret {
  border: 1px solid rgba(28, 39, 110, 0.16);
  border-radius: 10px;
  background: #ffffff;
  padding: 10px;
  font-size: 0.86rem;
  color: var(--ink);
}

.security-secret p {
  margin: 0;
}

.security-secret p + p {
  margin-top: 6px;
}

.security-secret code {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  background: #eef2ff;
  border-radius: 8px;
  padding: 2px 5px;
  word-break: break-all;
}

.security-secret a {
  color: #465ae8;
  font-weight: 700;
}

.security-qr {
  width: 220px;
  max-width: 100%;
  border: 1px solid rgba(28, 39, 110, 0.16);
  border-radius: 12px;
  background: #fff;
  padding: 8px;
}

.security-qr img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.admin-stats,
.admin-list {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.muted-line {
  margin: 8px 0 10px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
}

.invoice-list {
  display: grid;
  gap: 10px;
}

.invoice-card {
  border: 1px solid rgba(28, 39, 110, 0.13);
  border-radius: 12px;
  background: #f9faff;
  padding: 12px;
}

.invoice-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.invoice-id {
  font-family: "IBM Plex Mono", "Consolas", monospace;
  font-size: 0.83rem;
  color: var(--muted);
}

.invoice-status {
  font-size: 0.76rem;
  font-weight: 800;
  border-radius: 999px;
  padding: 4px 9px;
}

.invoice-status.pending {
  background: rgba(255, 177, 60, 0.18);
  color: #9f680d;
}

.invoice-status.processing {
  background: rgba(127, 141, 255, 0.2);
  color: #4a59cf;
}

.invoice-status.paid {
  background: rgba(63, 185, 143, 0.17);
  color: #2d8769;
}

.invoice-status.failed {
  background: rgba(255, 95, 115, 0.16);
  color: #ad3d4f;
}

.invoice-meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

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

.btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 800;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(140deg, var(--brand), var(--brand-2));
  color: #f5f7ff;
  box-shadow: 0 12px 28px rgba(95, 110, 255, 0.36);
}

.btn-danger {
  background: rgba(255, 95, 115, 0.15);
  color: #ac4152;
}

.btn-ghost {
  border: 1px solid rgba(28, 39, 110, 0.18);
  background: #fff;
  color: #3a488e;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(95, 110, 255, 0.25);
  border-radius: 10px;
  padding: 8px 10px;
  color: #4f60d9;
  text-decoration: none;
  font-weight: 700;
}

.btn-xs {
  padding: 7px 9px;
  font-size: 0.8rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(11, 17, 54, 0.55);
  display: grid;
  place-items: center;
  z-index: 70;
  padding: 12px;
}

.modal-card {
  width: min(560px, 96vw);
  border-radius: 14px;
  border: 1px solid rgba(28, 39, 110, 0.2);
  background: #fff;
  box-shadow: var(--shadow-hard);
  padding: 14px;
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.modal-head h3 {
  margin: 0;
}

.modal-content {
  margin-top: 10px;
  display: grid;
  gap: 8px;
}

.modal-content .line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-radius: 10px;
  background: #f2f5ff;
  padding: 9px 10px;
}

.toast {
  position: fixed;
  bottom: 16px;
  right: 16px;
  max-width: min(440px, calc(100vw - 24px));
  border-radius: 12px;
  border: 1px solid rgba(28, 39, 110, 0.15);
  background: #ffffff;
  box-shadow: var(--shadow-soft);
  padding: 11px 12px;
  z-index: 80;
  font-weight: 700;
}

.toast.ok {
  border-color: rgba(63, 185, 143, 0.4);
}

.toast.err {
  border-color: rgba(255, 95, 115, 0.4);
}

.legal-footer {
  width: min(1240px, 94vw);
  margin: 0 auto 20px;
  border: 1px solid rgba(28, 39, 110, 0.12);
  border-radius: 14px;
  background: rgba(251, 252, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 10px 12px;
}

.legal-footer a {
  font-weight: 700;
  color: #4153d0;
  text-decoration: none;
}

.empty {
  border: 1px dashed rgba(28, 39, 110, 0.25);
  border-radius: 12px;
  padding: 16px;
  color: var(--muted);
  font-weight: 700;
}

@media (max-width: 1100px) {
  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

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

  .sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
  }

  .grid-2,
  .stats,
  .tariff-grid,
  .server-meta,
  .server-actions {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .auth-switch {
    grid-template-columns: 1fr;
  }

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

  .profile-row {
    flex-wrap: wrap;
  }

  .profile-row code {
    max-width: 100%;
  }
}