/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ======================== AUTH LAYOUT ======================== */
.auth-bg {
  background:
    radial-gradient(ellipse 60% 50% at 50% 30%, rgba(217, 119, 6, 0.045) 0%, transparent 70%),
    var(--bg-base);
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: relative;
}

.auth-bg::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.013) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.013) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 30%, transparent 100%);
}

.auth-shell {
  width: 100%;
  max-width: 380px;
  position: relative;
  z-index: 1;
}

.auth-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 40px 36px 36px;
  box-shadow: var(--shadow-lg);
}

.auth-mark {
  color: var(--accent);
  margin-bottom: 28px;
  display: inline-flex;
  padding: 8px;
  background: var(--accent-bg);
  border-radius: var(--radius);
}

.auth-heading {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 28px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.02em;
}

/* ======================== FORM FIELDS ======================== */
.field { display: flex; flex-direction: column; gap: 6px; }

.field label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.field input, .field select, .field textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: border var(--t-fast), background var(--t-fast);
  outline: none;
}

.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--border-strong); }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  background: var(--bg-elevated);
}

.field input[type="number"]::-webkit-inner-spin-button { opacity: 0.4; }

.field-message {
  font-size: 13px;
  color: var(--danger);
  min-height: 18px;
}
.field-message.ok { color: var(--success); }

/* ======================== BUTTONS ======================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--t-fast), border var(--t-fast), transform var(--t-fast), color var(--t-fast);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-primary {
  background: var(--accent);
  color: #1a0f00;
  font-weight: 600;
}
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--border-strong); background: var(--bg-hover); }

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

.btn-block { width: 100%; }

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast);
  font-size: 12px;
}
.btn-icon:hover { color: var(--accent); border-color: var(--accent); }

/* ======================== DOT / STATUS ======================== */
.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: background var(--t);
  flex-shrink: 0;
}
.dot.online { background: var(--success); box-shadow: 0 0 6px rgba(16, 185, 129, 0.5); }
.dot.offline { background: var(--danger); }

/* ======================== APP LAYOUT ======================== */
.app-bg { background: var(--bg-base); min-height: 100vh; }

.app-shell {
  display: grid;
  grid-template-columns: 232px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 20px;
  color: var(--accent);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 1px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  color: var(--text-secondary);
  border-radius: var(--radius);
  font-size: 13px;
  transition: all var(--t-fast);
  cursor: pointer;
  position: relative;
}
.nav-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-item.active {
  background: var(--accent-bg);
  color: var(--accent);
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: -14px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  width: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
}
.nav-item.active .nav-icon { color: var(--accent); }

.nav-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 10px 6px;
}

.sidebar-footer {
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.user-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
}

.user-avatar {
  width: 32px;
  height: 32px;
  background: var(--accent-bg);
  color: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  flex-shrink: 0;
}

.user-info { flex: 1; min-width: 0; }
.user-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-role {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
}

/* Main */
.main { overflow-y: auto; min-width: 0; }

.main-header {
  padding: 22px 32px 18px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.main-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.main-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.main-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.main-content { padding: 24px 32px; }

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ======================== CARDS ======================== */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
}

.card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ======================== METRICS ======================== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.metric {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}

.metric-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
  font-family: var(--font-mono);
}

.metric-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
  font-family: var(--font-mono);
}

.metric-delta {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ======================== TABLE ======================== */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-surface);
}

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

.table th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 1;
  font-family: var(--font-mono);
}

.table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--bg-hover); }

.table .mono { font-family: var(--font-mono); font-size: 12px; }
.table .dim { color: var(--text-muted); }

/* ======================== PILLS / BADGES ======================== */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 50px;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: var(--font-mono);
  white-space: nowrap;
}

.pill-success { background: var(--success-bg); color: var(--success); }
.pill-danger { background: var(--danger-bg); color: var(--danger); }
.pill-warning { background: var(--warning-bg); color: var(--warning); }
.pill-info { background: var(--info-bg); color: var(--info); }
.pill-muted { background: var(--bg-hover); color: var(--text-muted); }
.pill-accent { background: var(--accent-bg); color: var(--accent); }

/* ======================== EMPTY / STATES ======================== */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-title {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.empty-sub {
  font-size: 12px;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* Responsive */
@media (max-width: 760px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; padding: 12px; }
  .sidebar-nav { flex-direction: row; overflow-x: auto; }
  .nav-divider, .sidebar-footer { display: none; }
  .main-content { padding: 16px; }
  .main-header { padding: 16px; }
}