:root {
  color-scheme: light;
  --bbos-bg: #f4f7fb;
  --bbos-bg-elevated: #f8fafd;
  --bbos-surface: #ffffff;
  --bbos-surface-soft: #f7f9fc;
  --bbos-surface-glass: rgba(255, 255, 255, 0.78);
  --bbos-text: #182230;
  --bbos-text-strong: #101828;
  --bbos-muted: #667085;
  --bbos-muted-2: #8a95a6;
  --bbos-border: #dbe4f0;
  --bbos-border-soft: #edf2f7;
  --bbos-primary: #0b72ff;
  --bbos-primary-dark: #075bd2;
  --bbos-primary-soft: rgba(11, 114, 255, 0.11);
  --bbos-success: #16a05d;
  --bbos-success-soft: rgba(22, 160, 93, 0.12);
  --bbos-warning: #f59e0b;
  --bbos-warning-soft: rgba(245, 158, 11, 0.15);
  --bbos-danger: #d92d20;
  --bbos-danger-soft: rgba(217, 45, 32, 0.11);
  --bbos-info: #2563eb;
  --bbos-radius-xs: 10px;
  --bbos-radius-sm: 12px;
  --bbos-radius-md: 16px;
  --bbos-radius-lg: 20px;
  --bbos-radius-xl: 24px;
  --bbos-radius-2xl: 30px;
  --bbos-shadow-xs: 0 2px 8px rgba(16, 24, 40, 0.05);
  --bbos-shadow-sm: 0 12px 30px rgba(16, 24, 40, 0.07);
  --bbos-shadow-md: 0 22px 58px rgba(16, 24, 40, 0.12);
  --bbos-shadow-focus: 0 0 0 0.24rem rgba(11, 114, 255, 0.14);
  --bbos-font: "Inter", "Segoe UI", Roboto, "Noto Sans", Arial, sans-serif;
  --bbos-content: 1220px;
  --bbos-nav-height: 82px;
  --bbos-space-1: 4px;
  --bbos-space-2: 8px;
  --bbos-space-3: 12px;
  --bbos-space-4: 16px;
  --bbos-space-5: 20px;
  --bbos-space-6: 24px;
  --bbos-transition: 160ms ease;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  background:
    radial-gradient(circle at 8% -10%, rgba(11, 114, 255, 0.1), transparent 34%),
    linear-gradient(180deg, #f9fbfe 0%, var(--bbos-bg) 38%, #eef3f9 100%);
  color: var(--bbos-text);
  font-family: var(--bbos-font);
  font-size: 16px;
  letter-spacing: 0;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  touch-action: manipulation;
}

a {
  color: var(--bbos-primary);
}

::selection {
  background: rgba(11, 114, 255, 0.18);
}

.bbos-card,
.bbos-panel {
  background: var(--bbos-surface-glass);
  border: 1px solid rgba(219, 228, 240, 0.86);
  border-radius: var(--bbos-radius-xl);
  box-shadow: var(--bbos-shadow-sm);
  backdrop-filter: blur(18px);
}

.bbos-card-solid {
  background: var(--bbos-surface);
}

.bbos-btn {
  min-height: 48px;
  border-radius: var(--bbos-radius-md);
  font-size: 0.94rem;
  font-weight: 760;
  letter-spacing: 0;
  transition:
    transform var(--bbos-transition),
    box-shadow var(--bbos-transition),
    border-color var(--bbos-transition),
    background var(--bbos-transition),
    color var(--bbos-transition);
}

.bbos-btn:hover {
  transform: translateY(-1px);
}

.bbos-btn:focus-visible,
.bbos-input:focus {
  outline: 0;
  box-shadow: var(--bbos-shadow-focus);
}

.bbos-btn-primary {
  background: linear-gradient(180deg, #1680ff, var(--bbos-primary));
  border-color: var(--bbos-primary);
  color: #fff;
  box-shadow: 0 12px 26px rgba(11, 114, 255, 0.25);
}

.bbos-btn-primary:hover,
.bbos-btn-primary:focus {
  background: linear-gradient(180deg, #0d72f6, var(--bbos-primary-dark));
  border-color: var(--bbos-primary-dark);
  color: #fff;
}

.bbos-btn-ghost {
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--bbos-border);
  color: var(--bbos-text);
}

.bbos-btn-ghost:hover,
.bbos-btn-ghost:focus {
  border-color: rgba(11, 114, 255, 0.28);
  color: var(--bbos-primary-dark);
}

.bbos-input {
  min-height: 50px;
  border: 1px solid var(--bbos-border);
  border-radius: var(--bbos-radius-md);
  background: rgba(255, 255, 255, 0.94);
  color: var(--bbos-text);
  font-size: 1rem;
}

.bbos-input::placeholder {
  color: var(--bbos-muted-2);
}

.bbos-input:focus {
  border-color: rgba(11, 114, 255, 0.58);
  background: #fff;
}

.bbos-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 820;
  white-space: nowrap;
}

.bbos-badge-success {
  background: var(--bbos-success-soft);
  color: #087443;
}

.bbos-badge-warning {
  background: var(--bbos-warning-soft);
  color: #934d00;
}

.bbos-badge-info {
  background: var(--bbos-primary-soft);
  color: var(--bbos-primary-dark);
}

.bbos-badge-danger {
  background: var(--bbos-danger-soft);
  color: var(--bbos-danger);
}

.bbos-muted {
  color: var(--bbos-muted);
}

.bbos-icon {
  width: 21px;
  height: 21px;
  fill: currentColor;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}