/* ============================================================
   rcon_admin — Design tokens: Glassmorphism
   ============================================================ */

:root {
  /* Color tokens (semánticos) — tema oscuro por defecto */
  --bg-base:        #0b1120;
  --bg-base-2:      #131b34;
  --surface:        rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.10);
  --surface-border: rgba(255, 255, 255,  0.14);
  --on-surface:     rgba(255, 255, 255, 0.92);
  --on-surface-muted: rgba(255, 255, 255, 0.62);
  --on-surface-faint: rgba(255, 255, 255, 0.38);

  --primary:        #8b5cf6;
  --primary-2:      #ec4899;
  --primary-glow:   rgba(139, 92, 246, 0.45);
  --accent:         #38bdf8;
  --success:        #22c55e;
  --warning:        #f59e0b;
  --danger:         #ef4444;
  --info:           #0ea5e9;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;

  --blur:    18px;
  --blur-lg: 28px;

  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.45);

  --spaces: 4px 8px 12px 16px 24px 32px 48px 64px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-base:        #e6ebf3;
    --bg-base-2:        #cdd7ea;
    --surface:        rgba(255, 255, 255, 0.55);
    --surface-strong: rgba(255, 255, 255, 0.72);
    --surface-border: rgba(255, 255, 255, 0.85);
    --on-surface:     rgba(15, 23, 42, 0.92);
    --on-surface-muted: rgba(15, 23, 42, 0.62);
    --on-surface-faint: rgba(15, 23, 42, 0.38);
  }
}

/* ============================================================
   Reset minimalista
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  color: var(--on-surface);
  background: var(--bg-base);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Fondo glassmorphism: gradientes + blobs */
.app-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 800px at 10% 10%, #1e1b4b 0%, transparent 60%),
    radial-gradient(1000px 700px at 90% 20%, #312e81 0%, transparent 60%),
    radial-gradient(900px 600px at 30% 90%, #4c1d95 0%, transparent 60%),
    linear-gradient(180deg, var(--bg-base), var(--bg-base-2));
}
.app-bg::before, .app-bg::after {
  content: "";
  position: absolute;
  width: 480px; height: 480px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: float 18s ease-in-out infinite;
}
.app-bg::before {
  top: -120px; left: -100px;
  background: radial-gradient(circle, var(--primary), transparent 70%);
}
.app-bg::after {
  bottom: -120px; right: -100px;
  background: radial-gradient(circle, var(--primary-2), transparent 70%);
  animation-delay: -9s;
}
@keyframes float {
  0%, 100% { transform: translate(0,0) scale(1); }
  50%      { transform: translate(40px, 30px) scale(1.05); }
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Scrollbars glassmorphism
   ============================================================ */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--surface-strong) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--surface-strong);
  border: 2px solid transparent;
  background-clip: padding-box;
  border-radius: 999px;
  box-shadow: inset 0 0 0 1px var(--surface-border);
}
*::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
  background-clip: padding-box;
  box-shadow: 0 0 10px var(--primary-glow), inset 0 0 0 1px var(--surface-border);
}
*::-webkit-scrollbar-corner { background: transparent; }

/* ============================================================
   Glass primitives
   ============================================================ */
.glass {
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--blur));
          backdrop-filter: blur(var(--blur));
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.glass-card {
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--blur));
          backdrop-filter: blur(var(--blur));
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--sp-24, 24px);
}
.glass-card.tight { padding: 16px; }
.glass-card.tighter { padding: 12px; }

.glass-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--surface-strong);
  border: 1px solid var(--surface-border);
  color: var(--on-surface-muted);
}

.glass-input,
input.glass-input,
textarea.glass-input,
select.glass-input {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--surface-border);
  color: var(--on-surface);
  font: inherit;
  transition: border 150ms ease, box-shadow 150ms ease;
}
.glass-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}
.glass-input::placeholder { color: var(--on-surface-faint); }

/* Selects: fondo sólido oscuro para que el desplegable nativo coincida con el tema */
select.glass-input {
  background-color: #1a2238;
  color: var(--on-surface);
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23ffffffaa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}
select.glass-input option,
select.glass-input optgroup {
  background-color: #1a2238;
  color: var(--on-surface);
}
select.glass-input option:checked,
select.glass-input option:hover {
  color: #fff;
  background-color: #3a2f6b;
}
select.glass-input:focus {
  background-color: #1a2238;
}
@media (prefers-color-scheme: light) {
  select.glass-input,
  select.glass-input option,
  select.glass-input optgroup {
    background-color: #ffffff;
    color: #0f172a;
  }
  select.glass-input option:checked,
  select.glass-input option:hover {
    color: #0f172a;
    background-color: #e9e2ff;
  }
  select.glass-input {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%230f172a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='6 9 12 15 18 9'/></svg>");
  }
}

.glass-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  border: 1px solid var(--surface-border);
  color: var(--on-surface);
  font: inherit; font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 150ms ease, background 150ms ease;
  text-decoration: none;
}
.glass-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); text-decoration: none; }
.glass-btn:active { transform: translateY(0); }
.glass-btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none; }

.glass-btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border: none;
  color: white;
  box-shadow: 0 8px 24px var(--primary-glow);
}
.glass-btn.success { background: linear-gradient(135deg, var(--success), #16a34a); border: none; color: white; }
.glass-btn.danger  { background: linear-gradient(135deg, var(--danger), #b91c1c); border: none; color: white; }
.glass-btn.ghost   { background: transparent; border: 1px solid var(--surface-border); }

/* ============================================================
   Layout: sidebar + main
   ============================================================ */
.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  gap: 0;
}

.sidebar {
  background: var(--surface);
  -webkit-backdrop-filter: blur(var(--blur-lg));
          backdrop-filter: blur(var(--blur-lg));
  border-right: 1px solid var(--surface-border);
  padding: 24px 16px;
  position: sticky; top: 0;
  height: 100vh;
  display: flex; flex-direction: column;
  gap: 24px;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 1.15rem;
  letter-spacing: 0.3px;
}
.brand .brand-dot {
  width: 32px; height: 32px; border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 6px 20px var(--primary-glow);
  display: grid; place-items: center;
  color: white; font-weight: 800;
}

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-section-label {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--on-surface-faint); padding: 0 10px; margin: 16px 4px 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--on-surface-muted);
  font-weight: 500;
  transition: background 150ms ease, color 150ms ease;
}
.nav-item:hover { background: var(--surface-strong); color: var(--on-surface); text-decoration: none; }
.nav-item.active {
  background: linear-gradient(135deg, rgba(139,92,246,0.35), rgba(236,72,153,0.20));
  color: var(--on-surface);
  box-shadow: inset 0 0 0 1px var(--surface-border);
}
.nav-item svg { width: 18px; height: 18px; opacity: 0.85; }

.sidebar-footer { margin-top: auto; font-size: 11px; color: var(--on-surface-faint); }

.main { padding: 28px 32px; min-width: 0; }
@media (max-width: 768px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; overflow-x: auto; }
  .nav { flex-direction: row; }
  .nav-section-label { display: none; }
  .main { padding: 20px; }
}

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px; gap: 16px; flex-wrap: wrap;
}
.topbar h1 { margin: 0; font-size: 1.6rem; font-weight: 700; }
.topbar .subtitle { color: var(--on-surface-muted); font-size: 0.95rem; }

/* ============================================================
   Grid utilities
   ============================================================ */
.grid { display: grid; gap: 20px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .grid.cols-2 { grid-template-columns: 1fr; } }

.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.col { display: flex; flex-direction: column; gap: 12px; }
.spacer { flex: 1; }

/* ============================================================
   KPI / stat card
   ============================================================ */
.kpi {
  display: flex; flex-direction: column; gap: 8px;
}
.kpi .kpi-label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--on-surface-faint);
}
.kpi .kpi-value {
  font-size: 2rem; font-weight: 800; line-height: 1.05;
  font-variant-numeric: tabular-nums;
}
.kpi .kpi-hint { color: var(--on-surface-muted); font-size: 0.85rem; }
.kpi .kpi-icon {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: white; box-shadow: 0 6px 16px var(--primary-glow);
}

/* ============================================================
   Tables
   ============================================================ */
.table-wrap { overflow-x: auto; }
table.glass-table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 0.95rem;
}
table.glass-table th, table.glass-table td {
  text-align: left; padding: 12px 14px;
  border-bottom: 1px solid var(--surface-border);
}
table.glass-table th {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--on-surface-faint); font-weight: 600;
}
table.glass-table tbody tr:last-child td { border-bottom: none; }
table.glass-table tbody tr:hover { background: var(--surface-strong); }

/* Status dot */
.status-dot { display: inline-flex; align-items: center; gap: 6px; }
.status-dot::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--on-surface-faint);
}
.status-dot.online::before    { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.offline::before   { background: var(--danger);  box-shadow: 0 0 8px var(--danger); }
.status-dot.unknown::before   { background: var(--on-surface-faint); }

/* ============================================================
   Console
   ============================================================ */
.console-out {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px; line-height: 1.55;
  background: rgba(10, 12, 25, 0.55);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 16px;
  height: 360px; overflow-y: auto;
  white-space: pre-wrap; word-break: break-word;
  color: #e2e8f0;
}
.console-out .err { color: #fecaca; }
.console-out .ts  { color: var(--on-surface-faint); }
.console-out .cmd { color: var(--accent); }

/* ============================================================
   Toasts (glass)
   ============================================================ */
.toast-container {
  position: fixed; right: 24px; bottom: 24px;
  display: flex; flex-direction: column; gap: 10px; z-index: 1000;
}
.toast {
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--surface-strong);
  -webkit-backdrop-filter: blur(var(--blur)); backdrop-filter: blur(var(--blur));
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow-md);
  min-width: 240px; max-width: 360px;
  display: flex; align-items: center; gap: 10px;
  animation: toast-in 200ms ease-out;
}
.toast.success { border-color: rgba(34, 197, 94, 0.5); }
.toast.danger  { border-color: rgba(239, 68, 68, 0.5); }
.toast.warning { border-color: rgba(245, 158, 11, 0.5); }
.toast.info    { border-color: rgba(14, 165, 233, 0.5); }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } to { opacity: 1; transform: none; } }

/* ============================================================
   Forms
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group > label {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--on-surface-muted); font-weight: 600;
}
.form-help { font-size: 0.85rem; color: var(--on-surface-faint); }
.form-errors { color: var(--danger); font-size: 0.85rem; margin-top: 4px; }

/* ============================================================
  pillete Loading skeleton
   ============================================================ */
.skeleton {
  background: linear-gradient(90deg, var(--surface), var(--surface-strong), var(--surface));
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

@media (prefers-reduced-motion: reduce) {
  .app-bg::before, .app-bg::after { animation: none; }
  .toast { animation: none; }
  .skeleton { animation: none; }
}