:root {
  --bg: #0d1117;
  --bg-panel: #12161f;
  --bg-card: #161b26;
  --bg-input: #0d1117;
  --border: #232936;
  --border-strong: #313a4d;
  --text: #e6e9ef;
  --text-dim: #8a93a6;
  --text-faint: #57616f;
  --accent: #4fd1c5;
  --accent-dim: #1f4a45;
  --danger: #e5677a;
  --danger-dim: #4a2129;
  --warn: #e0b03e;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
}

/* Тонкая сетка на фоне — единственный декоративный акцент панели,
   отсылка к "сети нод", которыми панель управляет */
.grid-backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 0%, transparent 70%);
}

.hidden { display: none !important; }

/* ---------- Login ---------- */

#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 340px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
}

.login-brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.login-brand .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
}

.login-brand span {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.login-sub {
  color: var(--text-dim);
  font-size: 12.5px;
  margin: 0 0 24px;
}

/* ---------- Layout ---------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-panel);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 15px;
}

.topbar-brand .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
}

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 28px 24px 80px;
}

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

.section-head h1 {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

.section-head p {
  margin: 2px 0 0;
  font-size: 12.5px;
  color: var(--text-dim);
}

/* ---------- Buttons / inputs ---------- */

button {
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
}

.btn {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 6px;
  transition: border-color 0.15s;
}
.btn:hover { border-color: var(--text-faint); }

.btn-primary {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
}
.btn-primary:hover { background: #235850; }

.btn-danger {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--danger);
}
.btn-danger:hover { border-color: var(--danger); background: var(--danger-dim); }

.btn-ghost {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 6px 10px;
}
.btn-ghost:hover { color: var(--text); }

.btn-sm { padding: 5px 10px; font-size: 12px; }

input, select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-strong);
  color: var(--text);
  padding: 9px 11px;
  border-radius: 6px;
  font-family: inherit;
  font-size: 13.5px;
}
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
input::placeholder { color: var(--text-faint); }

label {
  display: block;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 5px;
}

.field { margin-bottom: 14px; }

.radio-row {
  display: flex;
  gap: 16px;
  margin-bottom: 14px;
}
.radio-row label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
}
.radio-row input[type="radio"] { width: auto; }

.error-text {
  color: var(--danger);
  font-size: 12.5px;
  margin-top: 6px;
  min-height: 16px;
}

/* ---------- Node cards ---------- */

.node-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.node-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
}

.node-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.node-id-block { display: flex; align-items: center; gap: 10px; }

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 2px;
}
.status-dot.online { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 0 3px var(--danger-dim); }
.status-dot.unknown { background: var(--text-faint); }
.status-dot.maintenance { background: var(--warn); box-shadow: 0 0 0 3px #4a3d14; }

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

.node-meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

.country-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 1px 6px;
  letter-spacing: 0.03em;
}

.node-actions { display: flex; gap: 8px; }

.node-check-msg {
  font-size: 11.5px;
  color: var(--text-faint);
  margin-top: 8px;
  font-family: var(--font-mono);
  word-break: break-all;
}

.protocol-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 4px 8px;
  font-size: 12px;
}

.chip .chip-port {
  font-family: var(--font-mono);
  color: var(--text-dim);
}

.chip-port-btn {
  font-family: var(--font-mono);
  color: var(--text-dim);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 2px;
}
.chip-port-btn:hover { color: var(--accent); }

.chip button {
  background: none;
  border: none;
  color: var(--text-faint);
  padding: 0;
  line-height: 1;
  font-size: 13px;
}
.chip button:hover { color: var(--danger); }

.chip-add {
  background: transparent;
  border: 1px dashed var(--border-strong);
  color: var(--text-dim);
  padding: 4px 10px;
  border-radius: 5px;
  font-size: 12px;
}
.chip-add:hover { border-color: var(--accent); color: var(--accent); }

.chip.deployed {
  border-color: var(--accent-dim);
}

.chip .deployed-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.chip-deploy-btn {
  background: none;
  border: 1px solid var(--border-strong);
  color: var(--accent);
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 11px;
  margin-left: 2px;
}
.chip-deploy-btn:hover { border-color: var(--accent); }

.chip-teardown-btn {
  background: none;
  border: none;
  color: var(--text-faint);
  font-size: 11px;
  padding: 0 4px;
}
.chip-teardown-btn:hover { color: var(--danger); }

.deploy-log {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 4px 0 8px;
  max-height: 320px;
  overflow-y: auto;
}

.deploy-step {
  display: flex;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12.5px;
}

.deploy-step .step-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  margin-top: 1px;
}
.deploy-step.ok .step-icon { background: var(--accent-dim); color: var(--accent); }
.deploy-step.fail .step-icon { background: var(--danger-dim); color: var(--danger); }
.deploy-step.pending .step-icon { background: var(--border); color: var(--text-faint); }

.deploy-step-body { flex: 1; min-width: 0; }
.deploy-step-name { font-weight: 600; margin-bottom: 2px; }
.deploy-step-msg {
  font-family: var(--font-mono);
  color: var(--text-dim);
  font-size: 11.5px;
  word-break: break-all;
  white-space: pre-wrap;
}

.deploy-summary {
  font-size: 13px;
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
}
.deploy-summary.ok { background: var(--accent-dim); color: var(--accent); }
.deploy-summary.fail { background: var(--danger-dim); color: var(--danger); }
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty-state .big-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--text-faint); margin: 0 auto 14px;
}

/* ---------- Modal ---------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal {
  width: 420px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 22px;
}

.modal h2 {
  font-size: 14px;
  margin: 0 0 18px;
  font-weight: 600;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13px;
  max-width: 340px;
  z-index: 100;
}
.toast.toast-error { border-left-color: var(--danger); }

/* ---------- Вкладки ---------- */

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
}

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  padding: 9px 14px;
  font-size: 13.5px;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Пользователи ---------- */

.user-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.user-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.user-card.blocked { opacity: 0.55; }

.user-main { display: flex; align-items: center; gap: 11px; min-width: 0; }

.user-email {
  font-weight: 600;
  font-size: 13.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-sub {
  font-size: 11.5px;
  color: var(--text-dim);
  margin-top: 2px;
}

.user-stats {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
}

.stat { text-align: right; }
.stat-label {
  font-size: 10.5px;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.stat-value {
  font-family: var(--font-mono);
  font-size: 13px;
  margin-top: 1px;
}
.stat-value.warn { color: var(--warn); }
.stat-value.expired { color: var(--danger); }

.conn-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  padding: 3px 8px;
  color: var(--text-dim);
  white-space: nowrap;
}
.conn-badge .conn-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text-faint);
}
.conn-badge.online { color: var(--accent); border-color: var(--accent-dim); }
.conn-badge.online .conn-dot { background: var(--accent); box-shadow: 0 0 0 2px var(--accent-dim); }
.conn-badge.offline .conn-dot { background: var(--danger); }
.conn-badge.never .conn-dot { background: var(--warn); }

.user-actions { display: flex; gap: 6px; flex-shrink: 0; }

.blocked-tag {
  font-size: 10.5px;
  color: var(--danger);
  border: 1px solid var(--danger-dim);
  background: var(--danger-dim);
  border-radius: 4px;
  padding: 1px 6px;
  margin-left: 6px;
}

/* Детали пользователя */

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}

.detail-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 9px 11px;
}

.detail-item .stat-label { text-align: left; }
.detail-item .stat-value { text-align: left; }

.detail-section-title {
  font-size: 12px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 16px 0 8px;
}

.detail-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 11px;
  margin-bottom: 6px;
  font-size: 12.5px;
}

.detail-row .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text-dim);
}

.tx-amount.positive { color: var(--accent); font-family: var(--font-mono); }
.tx-amount.negative { color: var(--danger); font-family: var(--font-mono); }

.detail-empty {
  color: var(--text-faint);
  font-size: 12.5px;
  padding: 8px 0;
}