/* ==========================================================================
   MultiPSystem Control Plane — Dashboard Theme (Glassmorphism & Dark Mode)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Color Palette - HSL Tailored */
  --bg-base: hsl(222, 47%, 7%);
  --bg-surface: hsla(222, 40%, 12%, 0.7);
  --bg-surface-elevated: hsla(222, 40%, 16%, 0.75);
  --bg-surface-glass: hsla(222, 45%, 14%, 0.6);
  --border-subtle: hsla(217, 33%, 25%, 0.5);
  --border-focus: hsla(217, 91%, 60%, 0.8);
  
  /* Text */
  --text-primary: hsl(210, 40%, 98%);
  --text-secondary: hsl(215, 20%, 75%);
  --text-muted: hsl(215, 16%, 55%);

  /* Accents */
  --accent-primary: hsl(221, 83%, 53%);
  --accent-primary-gradient: linear-gradient(135deg, hsl(221, 83%, 53%) 0%, hsl(262, 83%, 58%) 100%);
  --accent-cyan: hsl(190, 95%, 48%);
  --accent-emerald: hsl(158, 64%, 52%);
  --accent-amber: hsl(38, 92%, 50%);
  --accent-rose: hsl(350, 89%, 60%);

  /* Glows */
  --glow-emerald: 0 0 16px hsla(158, 64%, 52%, 0.35);
  --glow-rose: 0 0 16px hsla(350, 89%, 60%, 0.35);
  --glow-primary: 0 0 20px hsla(221, 83%, 53%, 0.3);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
  --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  background-image: 
    radial-gradient(at 0% 0%, hsla(221, 83%, 53%, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 100%, hsla(262, 83%, 58%, 0.08) 0px, transparent 50%);
  background-attachment: fixed;
}

/* ==========================================================================
   Header / Navbar
   ========================================================================== */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: hsla(222, 47%, 8%, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.875rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-container {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  text-decoration: none;
  color: inherit;
}

.brand-logo-badge {
  background: var(--accent-primary-gradient);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.125rem;
  box-shadow: var(--glow-primary);
}

.brand-title {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.main-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-title {
  font-size: 1.875rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.page-description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* ==========================================================================
   Cards & Glassmorphism
   ========================================================================== */
.glass-card {
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  box-shadow: var(--shadow-glass);
  padding: 1.5rem;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.glass-card:hover {
  border-color: hsla(217, 33%, 35%, 0.7);
}

/* KPI Grid */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
}

.kpi-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.kpi-icon-wrap.primary { background: hsla(221, 83%, 53%, 0.15); color: var(--accent-primary); border: 1px solid hsla(221, 83%, 53%, 0.3); }
.kpi-icon-wrap.emerald { background: hsla(158, 64%, 52%, 0.15); color: var(--accent-emerald); border: 1px solid hsla(158, 64%, 52%, 0.3); }
.kpi-icon-wrap.rose { background: hsla(350, 89%, 60%, 0.15); color: var(--accent-rose); border: 1px solid hsla(350, 89%, 60%, 0.3); }
.kpi-icon-wrap.cyan { background: hsla(190, 95%, 48%, 0.15); color: var(--accent-cyan); border: 1px solid hsla(190, 95%, 48%, 0.3); }

.kpi-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-top: 0.15rem;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-responsive {
  overflow-x: auto;
  border-radius: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th {
  background: hsla(222, 40%, 10%, 0.8);
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid hsla(217, 33%, 20%, 0.4);
  font-size: 0.9rem;
  vertical-align: middle;
}

.data-table tr:hover td {
  background: hsla(222, 40%, 15%, 0.4);
}

/* ==========================================================================
   Status Pills & Badges
   ========================================================================== */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.status-pill.online {
  background: hsla(158, 64%, 52%, 0.12);
  color: var(--accent-emerald);
  border: 1px solid hsla(158, 64%, 52%, 0.3);
}

.status-pill.offline {
  background: hsla(350, 89%, 60%, 0.12);
  color: var(--accent-rose);
  border: 1px solid hsla(350, 89%, 60%, 0.3);
}

.status-pill.unregistered {
  background: hsla(215, 16%, 55%, 0.12);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: relative;
}

.status-pill.online .pulse-dot {
  background: var(--accent-emerald);
  box-shadow: var(--glow-emerald);
  animation: pulse-green 2s infinite;
}

.status-pill.offline .pulse-dot {
  background: var(--accent-rose);
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 hsla(158, 64%, 52%, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px hsla(158, 64%, 52%, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 hsla(158, 64%, 52%, 0); }
}

.badge-tag {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: hsla(217, 33%, 20%, 0.6);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.125rem;
  border-radius: 10px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent-primary-gradient);
  color: #fff;
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 24px hsla(221, 83%, 53%, 0.5);
}

.btn-secondary {
  background: hsla(222, 40%, 18%, 0.8);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  background: hsla(222, 40%, 24%, 0.9);
  border-color: var(--border-focus);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: 8px;
}

/* ==========================================================================
   Telemetry Gauges & Bars
   ========================================================================== */
.metric-bar-container {
  margin-bottom: 1.25rem;
}

.metric-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.825rem;
  margin-bottom: 0.4rem;
}

.metric-bar-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.metric-bar-value {
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.progress-track {
  width: 100%;
  height: 8px;
  background: hsla(222, 40%, 10%, 0.8);
  border-radius: 9999px;
  overflow: hidden;
  border: 1px solid hsla(217, 33%, 20%, 0.5);
}

.progress-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-fill.normal { background: linear-gradient(90deg, var(--accent-cyan), var(--accent-emerald)); }
.progress-fill.warning { background: linear-gradient(90deg, var(--accent-amber), hsl(30, 95%, 55%)); }
.progress-fill.critical { background: linear-gradient(90deg, var(--accent-rose), hsl(0, 95%, 65%)); }

/* ==========================================================================
   Toast Notifications
   ========================================================================== */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: hsla(222, 47%, 12%, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent-primary);
  border-radius: 12px;
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  min-width: 300px;
  max-width: 450px;
  animation: slide-in 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.success { border-left-color: var(--accent-emerald); }
.toast.error { border-left-color: var(--accent-rose); }
.toast.info { border-left-color: var(--accent-cyan); }

@keyframes slide-in {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   Responsive Utilities
   ========================================================================== */
/* ==========================================================================
   Autenticação (login e usuário na navegação)
   ========================================================================== */
.nav-user {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.nav-logout-form {
  margin: 0;
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.login-card {
  width: 100%;
  max-width: 380px;
}

.login-brand {
  margin-bottom: 1.5rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.login-label {
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
}

.login-input {
  padding: 0.625rem 0.75rem;
  margin-bottom: 0.5rem;
  background: hsla(222, 40%, 15%, 0.9);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
}

.login-input:focus {
  outline: none;
  border-color: var(--border-focus);
}

.login-submit {
  margin-top: 0.5rem;
}

.login-error {
  margin-bottom: 1rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid var(--accent-rose);
  border-radius: 10px;
  color: var(--accent-rose);
  font-size: 0.85rem;
}

@media (max-width: 768px) {
  .top-nav { padding: 0.75rem 1rem; }
  .main-container { padding: 1rem; }
  .kpi-grid { grid-template-columns: 1fr; }
}