:root {
  /* Marca Ryng — teal/emerald (reemplaza violeta Voicetech) */
  --brand-50:  #ECFDF5;
  --brand-100: #D1FAE5;
  --brand-200: #A7F3D0;
  --brand-300: #6EE7B7;
  --brand-400: #34D399;
  --brand-500: #10B981;
  --brand-600: #059669;
  --brand-700: #047857;
  --brand-800: #065F46;
  --brand-900: #064E3B;

  /* Neutros tintados */
  --bg:            #FAFAFB;
  --surface:       #FFFFFF;
  --surface-2:     #F4F4F7;
  --border:        #E7E7EE;
  --border-strong: #D4D4DE;
  --text:          #18181B;
  --text-muted:    #6B6B76;
  --text-subtle:   #A1A1AA;

  /* Semánticos */
  --success: #16A34A;
  --warning: #D97706;
  --danger:  #DC2626;
  --info:    #2563EB;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;

  --shadow-pop: 0 4px 12px rgba(16,16,22,0.08), 0 1px 3px rgba(16,16,22,0.06);

  --font-sans: "Inter", ui-sans-serif, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

/* Layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
}
.sidebar .logo {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--brand-600);
  padding: 4px 10px 16px;
}
.sidebar .logo::first-letter { color: var(--text); }
.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav a {
  display: flex;
  align-items: center;
  padding: 8px 10px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: background 0.1s;
}
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a.active { background: var(--brand-50); color: var(--brand-700); }
.sidebar .foot {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  font-size: 12px;
  color: var(--text-subtle);
}
.sidebar .user {
  padding: 4px 10px;
  color: var(--text);
  font-weight: 500;
  font-size: 12px;
}
.sidebar .logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: 12px;
  margin-top: 8px;
  width: 100%;
  text-align: left;
}
.sidebar .logout:hover { border-color: var(--border-strong); color: var(--text); }

.main { padding: 24px 32px; overflow-y: auto; }

/* Encabezado de vista */
.view-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; }
.view-title { font-size: 20px; font-weight: 600; margin: 0; letter-spacing: -0.01em; }
.view-sub { font-size: 13px; color: var(--text-muted); margin: 2px 0 0; }

/* Cards / KPIs */
.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
}
.kpi { padding: 14px 16px; }
.kpi-label { font-size: 11px; color: var(--text-muted); font-weight: 500; margin-bottom: 4px; text-transform: none; }
.kpi-value { font-size: 22px; font-weight: 600; color: var(--text); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.kpi-hint { font-size: 11px; color: var(--text-subtle); margin-top: 2px; }
.kpi-dot { display: inline-block; width: 6px; height: 6px; border-radius: 999px; margin-right: 6px; vertical-align: middle; }
.kpi-dot.ok { background: var(--success); }
.kpi-dot.warn { background: var(--warning); }
.kpi-dot.danger { background: var(--danger); }
.kpi-dot.muted { background: var(--text-subtle); }

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.1s;
}
.btn:hover { border-color: var(--border-strong); }
.btn.primary { background: var(--brand-600); border-color: var(--brand-600); color: white; }
.btn.primary:hover { background: var(--brand-700); border-color: var(--brand-700); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn.ghost { border: none; background: transparent; color: var(--text-muted); padding: 4px 8px; }
.btn.ghost:hover { color: var(--text); background: var(--surface-2); }
.btn.sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Tablas */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
th { background: var(--surface-2); font-weight: 500; color: var(--text-muted); font-size: 12px; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.mono, th.mono { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); }
tbody tr:hover { background: var(--surface-2); }
td .actions { display: flex; gap: 4px; justify-content: flex-end; }

/* Tags/badges */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-muted);
  font-weight: 500;
}
.tag.ok      { background: #DCFCE7; color: #166534; border-color: #BBF7D0; }
.tag.warn    { background: #FEF3C7; color: #92400E; border-color: #FDE68A; }
.tag.danger  { background: #FEE2E2; color: #991B1B; border-color: #FECACA; }
.tag.brand   { background: var(--brand-50); color: var(--brand-700); border-color: var(--brand-100); }
.tag.mode-blaster { background: #EFF6FF; color: #1E40AF; border-color: #DBEAFE; }
.tag.mode-preview { background: #F3E8FF; color: #6B21A8; border-color: #E9D5FF; }

/* Formularios */
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field label { font-size: 12px; color: var(--text-muted); font-weight: 500; }
.field input, .field select {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--brand-600);
  box-shadow: 0 0 0 3px var(--brand-100);
}

/* Login */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
}
.login-card {
  width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
}
.login-card .brand {
  font-size: 24px;
  font-weight: 600;
  color: var(--brand-600);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}
.login-card .brand::first-letter { color: var(--text); }
.login-card .subtitle { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.login-card .error { color: var(--danger); font-size: 12px; margin-top: 8px; min-height: 16px; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 4px; }

/* Utility */
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.row { display: flex; align-items: center; gap: 12px; }
.grow { flex: 1; }
.muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); font-size: 12px; }
.hidden { display: none; }
.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--border);
  border-top-color: var(--brand-600);
  border-radius: 999px;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}