:root {
  --bg: #070b10;
  --bg-grid: rgba(34, 197, 94, 0.04);
  --card-bg: #0e151d;
  --card-bg-2: #111a24;
  --border: #1c2834;
  --border-accent: rgba(34, 197, 94, 0.25);
  --accent: #22c55e;
  --accent-rgb: 34, 197, 94;
  --accent-soft: rgba(34, 197, 94, 0.12);
  --accent-dim: rgba(34, 197, 94, 0.5);
  --cyan: #22d3ee;
  --danger: #ef4444;
  --text: #e6edf3;
  --text-muted: #8b98a5;
  --radius: 1rem;
  --radius-sm: 0.6rem;
  --font-mono: "SFMono-Regular", "Cascadia Code", Consolas, "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg);
  background-image:
    linear-gradient(var(--bg-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
  background-size: 36px 36px;
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Navbar ---------- */

.topbar {
  background: rgba(7, 11, 16, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  min-height: 60px;
}

.brand-mark {
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-dim), 0 0 24px var(--accent-dim);
}

.brand-text {
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
}

.worker-label {
  font-size: 0.85rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid transparent;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse 2s infinite;
}

.status-connected {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--border-accent);
}

.status-default {
  color: var(--cyan);
  background: rgba(34, 211, 238, 0.1);
  border-color: rgba(34, 211, 238, 0.3);
}

.status-disconnected {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.3);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 currentColor;
  }
  50% {
    opacity: 0.6;
    box-shadow: 0 0 0 5px currentColor;
  }
}

/* ---------- Cards ---------- */

main {
  flex: 1 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.panel-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card-bg-2);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}

.panel-header h5 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.panel-header h5::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--accent), var(--cyan));
}

.count-badge {
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft) !important;
  color: var(--accent) !important;
  border: 1px solid var(--border-accent);
}

/* ---------- Statistics ---------- */

.stat-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-value span {
  color: var(--text);
}

/* ---------- Form controls ---------- */

.form-control-dark,
.form-select-dark {
  background-color: var(--card-bg-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.85rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control-dark:focus,
.form-select-dark:focus {
  background-color: var(--card-bg-2);
  border-color: var(--accent-dim);
  color: var(--text);
  box-shadow: 0 0 0 0.2rem rgba(var(--accent-rgb), 0.15);
}

.form-control-dark::placeholder {
  color: var(--text-muted);
}

.form-label {
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.form-select-dark option {
  background-color: var(--card-bg-2);
  color: var(--text);
}

.btn-generate {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 0.62rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease;
}

.btn-generate:hover {
  background: linear-gradient(135deg, #15803d, #22c55e);
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.35);
  transform: translateY(-1px);
}

.btn-generate:active {
  transform: translateY(0);
}

.btn-generate:disabled {
  opacity: 0.7;
  transform: none;
  box-shadow: none;
}

.btn-refresh {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
  background: var(--card-bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.38rem 0.8rem;
  white-space: nowrap;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.btn-refresh:hover {
  color: var(--accent);
  border-color: var(--border-accent);
  background: var(--accent-soft);
}

.btn-icon {
  flex-shrink: 0;
}

/* ---------- Table ---------- */

.license-table {
  background: var(--card-bg);
  font-size: 0.9rem;
}

.license-table thead th {
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
  background: var(--card-bg-2);
  padding: 0.85rem 1.25rem;
  white-space: nowrap;
}

.license-table tbody td {
  border-bottom: 1px solid var(--border);
  padding: 0.85rem 1.25rem;
  vertical-align: middle;
}

.license-table tbody tr:last-child td {
  border-bottom: none;
}

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

.license-table.table-striped > tbody > tr:nth-of-type(odd) > * {
  background-color: rgba(255, 255, 255, 0.015);
}

.key-cell {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- Status badges ---------- */

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.32rem 0.75rem;
  border-radius: 999px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.badge-status::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.badge-active {
  color: #22c55e;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-blocked {
  color: #f87171;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ---------- Action buttons ---------- */

.action-btn {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--card-bg-2);
  color: var(--text-muted);
  padding: 0;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.1s ease;
}

.action-btn:hover {
  transform: translateY(-1px);
}

.action-btn:active {
  transform: translateY(0);
}

.btn-sync {
  color: #38bdf8;
  border-color: rgba(56, 189, 248, 0.3);
}

.btn-sync:hover {
  background: rgba(56, 189, 248, 0.12);
  border-color: rgba(56, 189, 248, 0.6);
}

.btn-block {
  color: #fbbf24;
  border-color: rgba(251, 191, 36, 0.3);
}

.btn-block:hover {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.6);
}

.btn-delete {
  color: #f87171;
  border-color: rgba(239, 68, 68, 0.3);
}

.btn-delete:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.6);
}

/* ---------- Empty state ---------- */

.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}

/* ---------- Footer ---------- */

.footer {
  border-top: 1px solid var(--border);
  background: rgba(7, 11, 16, 0.85);
  padding: 1.1rem 0;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.footer-version {
  font-family: var(--font-mono);
}

/* ---------- Toast ---------- */

.custom-toast {
  background: var(--card-bg-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.88rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

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

/* ---------- Responsive tweaks ---------- */

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

.login-view {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
}

.login-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.login-brand .brand-mark {
  width: 14px;
  height: 14px;
}

.login-brand .brand-text {
  font-size: 1.15rem;
}

.login-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  text-align: center;
}

.btn-login {
  background: linear-gradient(135deg, #16a34a, #22c55e);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  padding: 0.62rem 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  transition: box-shadow 0.12s ease, filter 0.12s ease;
}

.btn-login:hover {
  box-shadow: 0 0 18px rgba(var(--accent-rgb), 0.35);
}

.btn-login:disabled {
  opacity: 0.7;
  box-shadow: none;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.38rem 0.8rem;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.btn-logout:hover {
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.5);
  background: rgba(239, 68, 68, 0.1);
}

/* ---------- Action button variants ---------- */

.btn-copy {
  color: var(--accent);
  border-color: rgba(34, 197, 94, 0.3);
}

.btn-copy:hover {
  background: rgba(34, 197, 94, 0.12);
  border-color: rgba(34, 197, 94, 0.6);
}

.btn-details {
  color: var(--cyan);
  border-color: rgba(34, 211, 238, 0.3);
}

.btn-details:hover {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.6);
}

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

.modal-content {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  background: var(--card-bg-2);
  padding: 1rem 1.25rem;
}

.modal-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.modal-header .btn-close {
  filter: invert(1);
}

.modal-footer {
  border-top: 1px solid var(--border);
  background: var(--card-bg-2);
}

.detail-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.fingerprint-cell {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.device-names-cell {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 220px;
}

.license-search {
  max-width: 220px;
}

.device-name-cell {
  color: var(--text);
  font-weight: 500;
}

.section-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

@media (max-width: 575.98px) {
  .brand-text {
    font-size: 1rem;
  }

  .panel-header h5 {
    font-size: 0.92rem;
  }

  .license-table {
    font-size: 0.84rem;
  }

  .key-cell {
    font-size: 0.76rem;
  }
}

/* ---------- Button press settle ---------- */

.btn-settle,
.btn-settle:hover {
  box-shadow: none;
  transform: none;
}

.btn-settle.btn-refresh,
.btn-settle.btn-refresh:hover {
  color: var(--text);
  background: var(--card-bg-2);
  border-color: var(--border);
}

.btn-settle.btn-logout,
.btn-settle.btn-logout:hover {
  color: var(--text-muted);
  background: transparent;
  border-color: var(--border);
}

.btn-settle.btn-generate,
.btn-settle.btn-generate:hover,
.btn-settle.btn-login,
.btn-settle.btn-login:hover {
  background: linear-gradient(135deg, #16a34a, #22c55e);
}

.btn-settle.btn-copy,
.btn-settle.btn-copy:hover {
  color: var(--accent);
  background: var(--card-bg-2);
  border-color: rgba(34, 197, 94, 0.3);
}

.btn-settle.btn-details,
.btn-settle.btn-details:hover {
  color: var(--cyan);
  background: var(--card-bg-2);
  border-color: rgba(34, 211, 238, 0.3);
}

.btn-settle.btn-sync,
.btn-settle.btn-sync:hover {
  color: #38bdf8;
  background: var(--card-bg-2);
  border-color: rgba(56, 189, 248, 0.3);
}

.btn-settle.btn-block,
.btn-settle.btn-block:hover {
  color: #fbbf24;
  background: var(--card-bg-2);
  border-color: rgba(251, 191, 36, 0.3);
}

.btn-settle.btn-delete,
.btn-settle.btn-delete:hover {
  color: #f87171;
  background: var(--card-bg-2);
  border-color: rgba(239, 68, 68, 0.3);
}