:root {
  --glass-bg: rgba(255, 255, 255, 0.26);
  --glass-border: rgba(255, 255, 255, 0.58);
  --glass-shadow: 0 20px 40px rgba(2, 48, 71, 0.18);
  --glass-blur: blur(18px);
  --bg-gradient:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 40%),
    linear-gradient(130deg, #dbeafe 0%, #7dd3fc 36%, #a7f3d0 67%, #e0f2fe 100%);
  --text-primary: #0f4c75;
  --text-secondary: #35566f;
  --text-muted: #4c6f87;
  --accent: #0ea5e9;
  --accent-deep: #0369a1;
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "Candara", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text-primary);
  background: #a9d7f7;
  background-image: var(--bg-gradient);
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-shell {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: 24px;
}

.bg-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(10px);
  opacity: 0.55;
  pointer-events: none;
}

.orb-one {
  top: -100px;
  left: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9), rgba(125, 211, 252, 0));
}

.orb-two {
  right: -100px;
  bottom: -60px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(167, 243, 208, 0.9), rgba(14, 165, 233, 0));
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.45), transparent 85%);
  pointer-events: none;
}

.glass-card,
.glass-bar {
  position: relative;
  z-index: 1;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.glass-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  border-radius: var(--radius-xl);
  padding: 18px 22px;
  margin-bottom: 24px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand-block h1,
.panel-head h2,
.invalid-view h2 {
  margin: 0;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(125, 211, 252, 0.32));
  color: var(--accent-deep);
}

.identity-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.identity-chip,
.role-badge,
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 0.95rem;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.3);
}

.role-badge {
  background: rgba(14, 165, 233, 0.14);
  color: var(--accent-deep);
  font-weight: 700;
}

.status-pill {
  color: var(--text-secondary);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--accent-deep);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.muted-copy {
  margin: 6px 0 0;
  color: var(--text-muted);
}

.app-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
  gap: 22px;
}

.side-stack {
  display: grid;
  gap: 22px;
}

.chat-panel,
.rooms-panel,
.voice-panel,
.admin-panel,
.invalid-view {
  padding: 20px;
  border-radius: var(--radius-xl);
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.primary-button,
.ghost-button,
.danger-button {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.primary-button:hover,
.ghost-button:hover,
.danger-button:hover {
  transform: translateY(-1px);
}

.primary-button {
  color: white;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  box-shadow: 0 12px 24px rgba(14, 165, 233, 0.28);
}

.ghost-button {
  color: var(--accent-deep);
  background: rgba(255, 255, 255, 0.42);
  border-color: rgba(14, 165, 233, 0.18);
}

.danger-button {
  color: white;
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 12px 24px rgba(220, 38, 38, 0.24);
}

.primary-button:disabled,
.ghost-button:disabled,
.danger-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.voice-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.invalid-view {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 80px auto 0;
}

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

.admin-columns h3 {
  margin: 0 0 12px;
}

@media (max-width: 1080px) {
  .app-grid {
    grid-template-columns: 1fr;
  }

  .admin-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    padding: 14px;
  }

  .glass-bar,
  .brand-block,
  .identity-block,
  .panel-head,
  .voice-actions {
    flex-direction: column;
    align-items: stretch;
  }
}