:root {
  --bg: #0b0b10;
  --bg-elevated: #16141c;
  --bg-elevated-2: #1f1b26;
  --accent: #d21f3c;
  --accent-2: #7c3aed;
  --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #d21f3c 100%);
  --text: #f2f0f5;
  --text-muted: #a19cb3;
  --border: #2a2632;
  --success: #22c55e;
  --warn: #f59e0b;
}

* {
  box-sizing: border-box;
}

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

canvas#particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

a {
  color: inherit;
}

.layout {
  position: relative;
  z-index: 1;
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ---------- */

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.brand .sigil {
  font-size: 22px;
  color: var(--accent);
}

.brand .wordmark {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-group {
  margin-bottom: 8px;
}

.nav-item,
.nav-group-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-family: inherit;
  justify-content: space-between;
}

.nav-item:hover,
.nav-group-toggle:hover {
  color: var(--text);
  background: var(--bg-elevated-2);
}

.nav-item .icon,
.nav-group-toggle .icon {
  margin-right: 4px;
}

.nav-group-toggle .chevron {
  transition: transform 0.15s ease;
  margin-left: auto;
}

.nav-group.open .nav-group-toggle .chevron {
  transform: rotate(90deg);
}

.nav-subitems {
  display: none;
  flex-direction: column;
  padding: 4px 0 8px 44px;
}

.nav-group.open .nav-subitems {
  display: flex;
}

.nav-subitem {
  padding: 6px 0;
  font-size: 13px;
  color: var(--text-muted);
}

.nav-subitem.soon {
  opacity: 0.45;
  cursor: not-allowed;
}

.nav-subitem.soon::after {
  content: "em breve";
  margin-left: 8px;
  font-size: 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 5px;
}

/* ---------- Topbar ---------- */

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  border-bottom: 1px solid var(--border);
}

.topbar .user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
}

.topbar .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--accent-2);
  object-fit: cover;
  background: var(--bg-elevated-2);
}

.content {
  padding: 32px;
  flex: 1;
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.stat-card .stat-head {
  background: var(--accent-gradient);
  padding: 12px 16px;
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.stat-card .stat-body {
  padding: 16px;
}

.stat-card .stat-value {
  font-size: 26px;
  font-weight: 800;
}

.stat-card .stat-sub {
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 4px;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge.online {
  background: rgba(34, 197, 94, 0.15);
  color: var(--success);
}

.badge.offline {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warn);
}

.status-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  font-size: 14px;
}

/* ---------- Panel / key verify box ---------- */

.panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}

.panel h3 {
  margin-top: 0;
  color: var(--accent);
}

.panel form:not(.field-row) label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin: 14px 0 6px;
}

.panel form:not(.field-row) label:first-child {
  margin-top: 0;
}

.panel form:not(.field-row) input,
.panel form:not(.field-row) textarea {
  display: block;
  width: 100%;
}

.field-row {
  display: flex;
  gap: 12px;
  margin-top: 12px;
  flex-wrap: wrap;
}

input,
textarea {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  font-family: inherit;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent-2);
}

.field-row input {
  flex: 1;
  min-width: 200px;
}

button.btn {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

button.btn:hover {
  filter: brightness(1.1);
}

button.btn.secondary {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
}

button.btn.danger {
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
}

.result-msg {
  margin-top: 12px;
  font-size: 14px;
}

.result-msg.ok {
  color: var(--success);
}

.result-msg.err {
  color: var(--accent);
}

/* ---------- Auth pages ---------- */

.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.auth-card {
  width: 360px;
  background: linear-gradient(160deg, var(--bg-elevated) 0%, #1c0f16 100%);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
}

.auth-card .sigil-big {
  font-size: 32px;
  color: var(--accent);
  text-align: center;
  display: block;
  margin-bottom: 4px;
}

.auth-card h1 {
  text-align: center;
  font-size: 22px;
  margin: 0 0 24px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.auth-card label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin: 14px 0 6px;
}

.auth-card input {
  width: 100%;
}

.auth-card button.btn {
  width: 100%;
  margin-top: 20px;
}

.auth-card .switch-link {
  text-align: center;
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-muted);
}

.auth-card .switch-link a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}

/* ---------- Profile tabs ---------- */

.profile-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: start;
}

.profile-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
}

.profile-card .avatar-lg {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  border: 3px solid var(--accent-2);
  object-fit: cover;
  background: var(--bg-elevated-2);
  margin-bottom: 12px;
}

.role-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 12px;
  border-radius: 999px;
  border: 1px solid var(--accent-2);
  font-size: 11px;
  letter-spacing: 1px;
}

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 10px 16px;
  cursor: pointer;
  font-size: 14px;
  font-family: inherit;
  border-bottom: 2px solid transparent;
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

.key-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.key-row code {
  background: var(--bg-elevated-2);
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 13px;
  word-break: break-all;
}

.empty-state {
  color: var(--text-muted);
  text-align: center;
  padding: 32px 0;
}

.tx-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.tx-row .amount.positive {
  color: var(--success);
}

.tx-row .amount.negative {
  color: var(--accent);
}

/* ---------- Mobile ---------- */

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 16px;
  cursor: pointer;
}

.sidebar-overlay {
  display: none;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-block;
  }

  .topbar {
    padding: 14px 16px;
  }

  .content {
    padding: 20px 16px;
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: 260px;
    z-index: 20;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
  }

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

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: 19;
  }

  .sidebar-overlay.open {
    display: block;
  }

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

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

  .auth-card {
    width: 100%;
    max-width: 360px;
  }

  .tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
}