:root {
  --bg: #eff3ea;
  --paper: #fffef8;
  --ink: #17326b;
  --muted: #617085;
  --primary: #133c97;
  --primary-dark: #0c2969;
  --secondary: #e7eddc;
  --line: #d7dece;
  --shadow: 0 20px 40px rgba(19, 45, 82, 0.08);
  --warning: #8c2f39;
  --success: #1b5e20;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(19, 60, 151, 0.14), transparent 26%),
    linear-gradient(180deg, #f8faf4 0%, #edf1e6 100%);
}

.hidden {
  display: none !important;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  align-content: center;
  gap: 18px;
}

.auth-card {
  width: min(100%, 460px);
  background: rgba(255, 254, 248, 0.96);
  border: 1px solid rgba(23, 50, 107, 0.08);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.auth-logo {
  max-width: 190px;
}

.auth-description {
  color: var(--muted);
  margin-bottom: 22px;
}

.auth-card .eyebrow {
  color: var(--primary-dark);
}

.layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
}

.sidebar {
  background:
    linear-gradient(180deg, rgba(11, 35, 89, 0.98) 0%, rgba(19, 60, 151, 0.96) 100%);
  color: #f8fbff;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand-logo {
  display: block;
  width: 100%;
  max-width: 220px;
  height: auto;
  margin-bottom: 18px;
  padding: 14px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 40px rgba(3, 12, 31, 0.22);
}

.brand h1 {
  margin: 0 0 12px;
  font-size: 2.2rem;
  line-height: 0.95;
}

.description {
  margin: 0;
  color: rgba(248, 251, 255, 0.78);
}

.sidebar-nav {
  display: grid;
  gap: 10px;
}

.nav-button {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  color: #f8fbff;
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: 0.2s ease;
}

.nav-button:hover,
.nav-button.active {
  background: rgba(255, 214, 0, 0.14);
  border-color: rgba(255, 214, 0, 0.34);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #ffd600;
}

.main {
  padding: 28px;
}

.app-footer {
  margin-top: 28px;
}

.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: rgba(12, 22, 48, 0.48);
  backdrop-filter: blur(4px);
  padding: 24px;
}

.loading-card {
  width: min(100%, 520px);
  background: rgba(255, 254, 248, 0.98);
  border: 1px solid rgba(23, 50, 107, 0.1);
  border-radius: 28px;
  box-shadow: 0 24px 60px rgba(8, 19, 44, 0.2);
  padding: 28px;
}

.loading-eyebrow {
  color: var(--primary-dark);
}

.loading-card h3 {
  margin: 0 0 10px;
  font-size: 1.5rem;
}

.loading-text {
  margin: 0 0 18px;
  color: var(--muted);
}

.loading-bar-track {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 14px;
  border-radius: 999px;
  background: rgba(19, 60, 151, 0.12);
}

.loading-bar {
  position: absolute;
  inset: 0 auto 0 -40%;
  width: 40%;
  border-radius: 999px;
  background: linear-gradient(90deg, #0c2969 0%, #133c97 55%, #4d85ff 100%);
  animation: loading-slide 1.2s ease-in-out infinite;
}

@keyframes loading-slide {
  from {
    left: -40%;
  }

  to {
    left: 100%;
  }
}

.screen {
  display: none;
}

.screen.active {
  display: block;
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 16px;
  margin-bottom: 20px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.hero h2 {
  margin: 0;
  font-size: 2rem;
  max-width: 720px;
}

.status-chip,
.user-chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid rgba(183, 28, 28, 0.18);
}

.status-chip {
  background: rgba(183, 28, 28, 0.14);
  color: #9f1f1f;
}

.status-chip.connected {
  background: rgba(46, 125, 50, 0.16);
  color: var(--success);
  border-color: rgba(46, 125, 50, 0.22);
}

.user-chip {
  background: rgba(19, 60, 151, 0.1);
  border-color: rgba(19, 60, 151, 0.14);
  color: var(--ink);
  gap: 8px;
  flex-wrap: wrap;
}

.user-chip span {
  color: var(--muted);
  font-size: 0.92rem;
}

.section-header {
  margin-bottom: 18px;
}

.section-header h3 {
  margin: 0;
  font-size: 1.6rem;
}

.helper-text,
.helper-block {
  color: var(--muted);
  font-size: 0.95rem;
}

.helper-block {
  margin-bottom: 12px;
}

.stats,
.grid {
  display: grid;
  gap: 18px;
  align-items: start;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 18px;
}

.panel,
.stat {
  background: var(--paper);
  border-radius: 24px;
  border: 1px solid rgba(23, 50, 107, 0.08);
  box-shadow: var(--shadow);
}

.stat {
  padding: 22px;
}

.stat span {
  color: var(--muted);
  display: block;
  margin-bottom: 8px;
}

.stat strong {
  font-size: 2.2rem;
}

.panel {
  padding: 24px;
  align-self: start;
}

.panel-head {
  margin-bottom: 16px;
}

.panel-head h3 {
  margin: 0;
}

.form,
.stack {
  display: grid;
  gap: 12px;
}

.form label {
  display: grid;
  gap: 8px;
  font-weight: 600;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 12px 14px;
  font: inherit;
  background: #fff;
}

.actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button {
  border: 0;
  border-radius: 999px;
  padding: 12px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.primary-button {
  background: var(--primary);
  color: #fff;
}

.primary-button:hover {
  background: var(--primary-dark);
}

.secondary-button {
  background: var(--secondary);
  color: var(--ink);
}

.danger-button {
  background: rgba(140, 47, 57, 0.14);
  color: var(--warning);
  border: 1px solid rgba(140, 47, 57, 0.18);
}

.card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 16px;
  padding: 14px 16px;
}

.card strong {
  display: block;
  margin-bottom: 6px;
}

.card-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
  align-items: center;
}

.text-link {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

.inline-button {
  border: 0;
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--secondary);
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.status-message {
  margin: 14px 0 0;
  min-height: 24px;
  color: var(--primary-dark);
  font-weight: 700;
}

.permission-group {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px;
  margin: 0;
}

.permission-group legend {
  padding: 0 8px;
  font-weight: 700;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}

.checkbox-grid label,
.toggle-field {
  display: flex !important;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.checkbox-grid input,
.toggle-field input {
  width: auto;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .hero,
  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  .stats,
  .grid,
  .checkbox-grid {
    grid-template-columns: 1fr;
  }
}