*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

:root {
  --bg: #0b0f17;
  --card: #121a2a;
  --text: #e8eefc;
  --muted: rgba(232, 238, 252, 0.7);
  --accent: #5b8cff;
  --danger: #ff5b6e;
  --ok: #44d19a;
  --border: rgba(232, 238, 252, 0.12);
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  min-height: 100%;
  min-height: 100dvh;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

.wrap {
  width: 100%;
  max-width: min(760px, 100%);
  margin-left: auto;
  margin-right: auto;
  padding: max(12px, env(safe-area-inset-top, 12px)) clamp(10px, 4vw, 20px) 20px;
}

.wrap--wide {
  max-width: min(960px, 100%);
}

.wrap--narrow {
  max-width: min(520px, 100%);
}

.header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-width: 0;
}

.header .title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 18px;
  font-weight: 700;
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  justify-content: flex-start;
  width: 100%;
  min-width: 0;
}

@media (min-width: 640px) {
  .header {
    flex-wrap: nowrap;
    align-items: center;
  }

  .header-actions {
    width: auto;
    flex: 0 1 auto;
    justify-content: flex-end;
    max-width: 100%;
  }
}

.header .pill {
  flex-shrink: 0;
}

.header--ping {
  align-items: center;
}

.header--ping .title {
  flex: 1 1 auto;
  min-width: 0;
}

.header--ping .pill {
  margin-left: auto;
}

@media (max-width: 639px) {
  .header--ping {
    flex-direction: column;
    align-items: stretch;
  }

  .header--ping .pill {
    margin-left: 0;
    align-self: flex-start;
  }
}

.h {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  min-width: 0;
}

.h h1 {
  font-size: 18px;
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
}

@media (min-width: 640px) {
  .h {
    flex-wrap: nowrap;
    align-items: center;
  }
}

.pill {
  font-size: 12px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 12px;
  width: 100%;
  min-width: 0;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  min-width: 0;
  overflow-x: clip;
}

.page-admin .card {
  border-radius: 12px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  min-width: 0;
}

.row > * {
  min-width: 0;
}

.k {
  font-size: 12px;
  color: var(--muted);
}

.v {
  font-size: 14px;
  font-weight: 600;
}

.muted {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
  width: 100%;
  max-width: 100%;
}

.page-app .btns > a.btn,
.page-app .btns > button,
.page-ping .btns > a.btn,
.page-ping .btns > button {
  flex: 0 1 auto;
  min-width: 0;
}

.page-app button,
.page-app a.btn,
.page-ping button,
.page-ping a.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  max-width: 100%;
  text-align: center;
}

.page-app button.primary,
.page-app a.btn.primary,
.page-ping button.primary,
.page-ping a.btn.primary {
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}

.page-app button.danger {
  background: transparent;
  border-color: rgba(255, 91, 110, 0.35);
  color: #ffd6dc;
}

.page-app .btn--compact,
.page-ping .btn--compact {
  padding: 6px 10px;
  font-size: 13px;
}

pre {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  overflow-x: auto;
  font-size: 12px;
  color: rgba(232, 238, 252, 0.9);
  max-width: 100%;
  word-break: break-word;
  white-space: pre-wrap;
}

#subUrl {
  font-family: ui-monospace, monospace;
}

.badge-ok {
  color: var(--ok);
  font-weight: 700;
}

.badge-bad {
  color: var(--danger);
  font-weight: 700;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 12px 0;
}

.page-app input {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.15);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  outline: none;
  min-width: 0;
}

.table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-scroll table {
  width: 100%;
}

.pay-table,
.ping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.pay-table th,
.ping-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 8px 6px 8px 0;
  border-bottom: 1px solid var(--border);
}

.pay-table td,
.ping-table td {
  padding: 10px 6px 10px 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.pay-table .amt {
  font-weight: 700;
  white-space: nowrap;
}

.pay-table .mono {
  font-size: 11px;
  color: var(--muted);
  word-break: break-all;
}

.page-simple .title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-simple .btns {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-simple a.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  font-size: 14px;
  max-width: 100%;
  text-align: center;
}

.page-simple a.btn.primary {
  background: var(--accent);
  border-color: transparent;
}

.page-simple .card {
  margin-top: 12px;
}

.page-simple .muted {
  font-size: 14px;
  line-height: 1.5;
}

.page-simple h2 {
  font-size: 15px;
  margin: 16px 0 8px;
  font-weight: 700;
}

.page-simple h2:first-of-type {
  margin-top: 0;
}

.page-simple ul {
  margin: 8px 0 0;
  padding-left: 1.2em;
}

.page-simple li {
  margin: 6px 0;
}

.page-login h1 {
  font-size: 18px;
  margin: 0 0 12px;
}

.page-login .card {
  padding: 18px;
  margin-top: 12px;
}

.page-login a {
  color: var(--accent);
}

.page-login .muted {
  font-size: 14px;
}

#widgetMount {
  margin-top: 16px;
  min-height: 48px;
  max-width: 100%;
  overflow-x: auto;
}

.err {
  color: #ff8a98;
  font-size: 14px;
  margin-top: 10px;
  display: none;
}

.page-admin {
  font-family: system-ui, sans-serif;
}

.page-admin .wrap {
  overflow-x: clip;
}

.page-admin .admin-modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.55);
  padding: max(12px, env(safe-area-inset-top, 12px))
    clamp(8px, 3vw, 16px)
    max(12px, env(safe-area-inset-bottom, 12px));
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  box-sizing: border-box;
  align-items: flex-start;
  justify-content: center;
}

.page-admin .admin-modal-backdrop.is-open {
  display: flex;
}

.page-admin .admin-modal {
  width: 100%;
  max-width: min(560px, 100%);
  margin: auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  box-sizing: border-box;
  max-height: min(90dvh, 900px);
  overflow-y: auto;
  position: relative;
}

.page-admin .admin-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 12px;
}

.page-admin .admin-modal-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0;
  word-break: break-word;
}

.page-admin .admin-modal-close {
  flex-shrink: 0;
  padding: 6px 12px;
  font-size: 14px;
}

.page-admin .admin-modal-section {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.page-admin .admin-modal-section:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.page-admin .admin-keys-mini {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin-top: 8px;
}

.page-admin .admin-keys-mini th,
.page-admin .admin-keys-mini td {
  padding: 6px 4px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}

.page-admin .admin-keys-mini input[type="number"] {
  max-width: 72px;
  padding: 6px 8px;
}

.page-admin input[type="text"],
.page-admin input[type="number"] {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.2);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  min-width: 0;
}

.page-admin input[type="text"] {
  flex: 1 1 200px;
  max-width: 100%;
}

.page-admin input[type="number"] {
  max-width: min(280px, 100%);
}

.page-admin button {
  border: 1px solid var(--border);
  background: var(--accent);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.page-admin button.secondary {
  background: transparent;
  color: var(--text);
}

.page-admin button.danger {
  background: transparent;
  border-color: rgba(255, 91, 110, 0.4);
  color: #ffb4c0;
}

.page-admin .table-scroll {
  margin-top: 12px;
}

.page-admin .table-scroll table {
  min-width: 560px;
}

.page-admin table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.page-admin th,
.page-admin td {
  padding: 10px 8px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.page-admin th {
  color: var(--muted);
  font-weight: 600;
}

.page-admin .muted {
  color: var(--muted);
  font-size: 12px;
}

.page-admin .row-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.page-admin .tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.page-admin .tabs button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.page-admin .tabs button.active {
  background: var(--accent);
  color: #fff;
  border-color: transparent;
}

.page-admin .panel {
  display: none;
}

.page-admin .panel.active {
  display: block;
}

.page-admin #detail {
  display: none;
}

.page-admin .mono {
  font-family: ui-monospace, monospace;
  font-size: 12px;
  word-break: break-all;
}

.page-app #paymentsRoot {
  margin-top: 10px;
}

.page-app #vpnStatsRoot {
  margin-top: 10px;
}

.page-app #vpnStats {
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* Promo block (mini-app) */
.promo-card__hint {
  margin-top: 8px;
  line-height: 1.45;
}

.promo-input-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: stretch;
  margin-top: 12px;
}

.page-app .input-dark {
  flex: 1;
  min-width: 160px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 15px;
  outline: none;
}

.page-app .input-dark::placeholder {
  color: var(--muted);
}

.page-app .input-dark:focus {
  border-color: rgba(91, 140, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.15);
}

.promo-input-row__btn {
  flex: 0 0 auto;
  padding-left: 18px;
  padding-right: 18px;
  white-space: nowrap;
}

.promo-list {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.promo-chip {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
}

.promo-chip__code {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.promo-chip__meta {
  color: var(--muted);
  font-size: 13px;
}

.promo-picker {
  margin-top: 10px;
}

.promo-picker__opts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  width: 100%;
}

.page-app .promo-opt {
  appearance: none;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.22);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  max-width: 100%;
  text-align: center;
  line-height: 1.35;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.page-app .promo-opt:hover {
  border-color: rgba(91, 140, 255, 0.45);
}

.page-app .promo-opt--on {
  background: rgba(91, 140, 255, 0.24);
  border-color: rgba(91, 140, 255, 0.55);
  color: #fff;
}

.promo-opt__pct {
  color: var(--muted);
  font-weight: 600;
}

.page-app .promo-opt--on .promo-opt__pct {
  color: rgba(255, 255, 255, 0.88);
}

.page-app .select-dark {
  width: 100%;
  max-width: 100%;
  margin-top: 10px;
  padding: 11px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text);
  font-size: 15px;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 13px) calc(50% - 3px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 36px;
}

.page-app .select-dark:focus {
  border-color: rgba(91, 140, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(91, 140, 255, 0.15);
}