likwid/frontend/src/components/ui/DesignSystemStyles.astro

<style is:global>
  :root {
    --color-bg: #09090b;
    --color-bg-alt: #0f0f12;
    --color-surface: #18181b;
    --color-surface-hover: #27272a;
    --color-border: #27272a;
    --color-border-hover: #3f3f46;
    --color-text: #fafafa;
    --color-text-muted: #a1a1aa;
    --color-text-inverse: #0f0f0f;
    --color-primary: #818cf8;
    --color-primary-hover: #6366f1;
    --color-primary-muted: rgba(129, 140, 248, 0.12);
    --color-secondary: #8b5cf6;
    --color-secondary-hover: #7c3aed;
    --color-info: #3b82f6;
    --color-info-hover: #2563eb;
    --color-info-muted: rgba(59, 130, 246, 0.15);
    --color-neutral: #6b7280;
    --color-neutral-hover: #4b5563;
    --color-neutral-muted: rgba(107, 114, 128, 0.18);
    --color-success: #22c55e;
    --color-success-muted: rgba(34, 197, 94, 0.15);
    --color-success-hover: #16a34a;
    --color-warning: #f59e0b;
    --color-warning-muted: rgba(245, 158, 11, 0.15);
    --color-error: #ef4444;
    --color-error-muted: rgba(239, 68, 68, 0.15);
    --color-error-hover: #dc2626;
    --color-link: #6366f1;
    --color-link-visited: #8b5cf6;
    --color-overlay: rgba(0, 0, 0, 0.8);
    --color-field-bg: rgba(0, 0, 0, 0.25);
    --color-on-primary: #ffffff;

    --color-primary-bg: var(--color-primary-muted);

    --bg-primary: var(--color-bg);
    --bg-secondary: var(--color-surface);
    --bg-hover: var(--color-surface-hover);
    --border-color: var(--color-border);
    --text-primary: var(--color-text);
    --text-secondary: var(--color-text-muted);
    --accent-color: var(--color-primary);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2), 0 20px 48px rgba(0, 0, 0, 0.15);
    --motion-fast: 120ms;
    --motion-normal: 180ms;
    --easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --focus-ring: 0 0 0 3px var(--color-primary-muted);

    --ui-container-max: 1200px;
    --ui-page-pad-y: 2rem;
    --ui-glass-bg: rgba(24, 24, 27, 0.65);
    --ui-glass-border: rgba(255, 255, 255, 0.08);
    --ui-soft-highlight: rgba(129, 140, 248, 0.16);

    --ui-space-1: 0.25rem;
    --ui-space-2: 0.5rem;
    --ui-space-3: 0.75rem;
    --ui-space-4: 1rem;
    --ui-space-5: 1.25rem;
    --ui-space-6: 1.5rem;
    --ui-space-8: 2rem;

    --ui-font-size-xs: 0.75rem;
    --ui-font-size-sm: 0.875rem;
    --ui-font-size-md: 1rem;
    --ui-font-size-lg: 1.125rem;
    --ui-font-weight-medium: 500;
    --ui-font-weight-semibold: 600;
    --ui-font-weight-bold: 700;
  }

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

  html {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--motion-normal) var(--easing-standard), color var(--motion-normal) var(--easing-standard);
  }

  @media (prefers-reduced-motion: reduce) {
    html {
      transition: none;
    }

    *, *::before, *::after {
      scroll-behavior: auto !important;
      transition-duration: 0ms !important;
      animation-duration: 0ms !important;
      animation-iteration-count: 1 !important;
    }
  }

  body {
    min-height: 100vh;
  }

  ::selection {
    background: var(--color-primary-muted);
  }

  a {
    color: var(--color-primary);
    text-decoration: none;
  }

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

  a:visited {
    color: var(--color-link-visited);
  }

  :where(a, button, input, textarea, select):focus {
    outline: none;
  }

  :where(a, button, input, textarea, select):focus-visible {
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
  }

  :where(button, input, textarea, select) {
    font: inherit;
  }

  :where(input, textarea, select) {
    background: var(--color-field-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 0.875rem;
    transition: border-color var(--motion-fast) var(--easing-standard), background-color var(--motion-fast) var(--easing-standard);
  }

  :where(input, textarea, select)::placeholder {
    color: var(--color-text-muted);
    opacity: 0.9;
  }

  :where(input, textarea, select):disabled {
    opacity: 0.6;
    cursor: not-allowed;
  }

  :where(input, textarea, select):hover {
    border-color: var(--color-border-hover);
  }

  :where(input, textarea, select):focus-visible {
    border-color: var(--color-primary);
  }

  .ui-select {
    width: 100%;
  }

  .ui-form .form-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .ui-form .form-group {
    margin-bottom: 0;
  }

  .ui-form .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }

  .ui-form .form-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 1rem;
  }

  .ui-form .help-text {
    color: var(--color-text-muted);
    margin: 0.35rem 0 0;
  }

  :where(button) {
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: transform var(--motion-fast) var(--easing-standard), background-color var(--motion-fast) var(--easing-standard), border-color var(--motion-fast) var(--easing-standard), box-shadow var(--motion-fast) var(--easing-standard);
  }

  :where(button):active {
    transform: translateY(1px);
  }

  .ui-container {
    max-width: var(--ui-container-max);
    margin: 0 auto;
    padding: 0 2rem;
  }

  .ui-page {
    padding: var(--ui-page-pad-y) 0;
  }

  .ui-page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
  }

  .ui-hero {
    padding: 1.25rem;
    margin-bottom: 1rem;
  }

  .ui-hero-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
  }

  .ui-hero-title {
    margin: 0;
    font-size: 2.125rem;
    letter-spacing: -0.02em;
  }

  .ui-hero-subtitle {
    margin: 0.25rem 0 0;
    color: var(--color-text-muted);
  }

  .ui-hero-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
  }

  .ui-hero-kpis {
    margin-top: 1rem;
  }

  .ui-hero-kpis-label {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.02em;
    text-transform: uppercase;
  }

  .ui-insights {
    display: grid;
    gap: 0.75rem;
  }

  .ui-insights-title {
    font-weight: 700;
    letter-spacing: -0.01em;
  }

  .ui-insights-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.5;
    display: grid;
    gap: 0.35rem;
  }

  :where(.panels, .proposal-panels) {
    display: grid;
    gap: 1rem;
  }

  .panel {
    padding: 0;
    overflow: hidden;
  }

  :where(.panel > summary, .panel-summary) {
    list-style: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    user-select: none;
  }

  .panel > summary {
    padding: 1rem 1.25rem;
    align-items: baseline;
    border-bottom: 1px solid var(--color-border);
  }

  .panel > summary.panel-summary {
    padding: 1rem 1.1rem;
    align-items: center;
    border-bottom: none;
  }

  :where(.panel > summary, .panel-summary)::-webkit-details-marker {
    display: none;
  }

  .panel[open] > summary {
    background: rgba(255, 255, 255, 0.03);
  }

  .panel-title {
    font-weight: 700;
    letter-spacing: -0.01em;
  }

  .panel-meta {
    color: var(--color-text-muted);
    font-size: 0.875rem;
  }

  .panel-hint {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
  }

  .panel-body {
    border-top: 1px solid var(--color-border);
    padding: 1rem 1.1rem 1.1rem;
  }

  .panel-actions {
    margin-top: 0.75rem;
    display: flex;
    justify-content: flex-end;
  }

  .list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
    text-decoration: none;
    transition: color 140ms ease;
  }

  .list-item:last-child {
    border-bottom: none;
  }

  .list-item:hover {
    color: var(--color-primary);
  }

  .item-title {
    flex: 1;
  }

  .list-skeleton {
    display: grid;
    gap: 1rem;
  }

  .skeleton-card {
    height: var(--ui-skeleton-card-h, 120px);
    border-radius: 14px;
    border: 1px solid var(--color-border);
    background: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.03) 0%,
      rgba(255, 255, 255, 0.06) 50%,
      rgba(255, 255, 255, 0.03) 100%
    );
    background-size: 200% 100%;
    animation: ui-shimmer 1.2s ease-in-out infinite;
  }

  .is-skeleton {
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: none;
  }

  .skel {
    border-radius: 10px;
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.09) 35%, rgba(255,255,255,0.05) 70%);
    background-size: 200% 100%;
    animation: ui-shimmer-reverse 1.1s ease-in-out infinite;
  }

  @keyframes ui-shimmer {
    0% { background-position: 0% 0%; }
    100% { background-position: 200% 0%; }
  }

  @keyframes ui-shimmer-reverse {
    0% { background-position: 0% 0%; }
    100% { background-position: -200% 0%; }
  }

  .ui-page-title h1 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
  }

  .ui-subtitle {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-top: 0.25rem;
  }

  .ui-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .ui-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
  }

  .ui-card-soft {
    background: rgba(255, 255, 255, 0.03);
  }

  .ui-card-pad-md {
    padding: 1.1rem;
  }

  .ui-card-interactive {
    transition: transform 140ms ease, border-color 140ms ease, background 140ms ease;
  }

  .ui-card-interactive:hover {
    transform: translateY(-2px);
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.05);
  }

  .ui-card-glass {
    background: var(--ui-glass-bg);
    border-color: var(--ui-glass-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .state-card {
    padding: var(--ui-state-card-pad, 2.25rem 1.5rem);
    text-align: center;
  }

  .state-card .loading {
    color: var(--color-text-muted);
    margin: 0;
  }

  .state-card .empty {
    color: var(--color-text-muted);
    margin: 0;
  }

  .state-card .hint {
    font-size: 0.875rem;
    margin: 0.5rem 0 0;
    color: var(--color-text-muted);
  }

  .state-card .error {
    color: var(--color-error);
    margin: 0;
  }

  .ui-auth-page {
    display: flex;
    justify-content: center;
    padding: 4rem 0;
  }

  .ui-auth-card {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
  }

  .ui-auth-card h1 {
    margin-bottom: 1.5rem;
    text-align: center;
  }

  .ui-auth-card .field {
    margin-bottom: 1rem;
  }

  .ui-auth-card label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
  }

  .ui-auth-card .ui-btn {
    width: 100%;
    margin-top: 1rem;
  }

  .ui-auth-error {
    color: var(--color-error);
    font-size: 0.875rem;
    min-height: 1.25rem;
  }

  .ui-auth-alt {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.875rem;
    color: var(--color-text-muted);
  }

  .ui-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: var(--ui-font-weight-semibold);
    font-size: var(--ui-font-size-sm);
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    transition: transform var(--motion-fast) var(--easing-standard), background-color var(--motion-fast) var(--easing-standard), border-color var(--motion-fast) var(--easing-standard), box-shadow var(--motion-fast) var(--easing-standard), opacity var(--motion-fast) var(--easing-standard);
  }

  .ui-btn-sm {
    padding: 0.45rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
  }

  .ui-btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
  }

  .ui-btn-dashed {
    border-style: dashed;
  }

  .ui-btn-lg {
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
  }

  .ui-btn-xl {
    padding: 1rem 2.5rem;
    border-radius: var(--radius-md);
    font-size: 1.125rem;
  }

  .ui-btn:active {
    transform: translateY(1px);
  }

  :where(button.ui-btn):disabled,
  :where(a.ui-btn)[aria-disabled='true'] {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
    box-shadow: none;
  }

  .ui-btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
  }

  :where(.ui-btn-primary):not([aria-disabled='true']):not(:disabled):hover {
    background: var(--color-primary-hover);
    color: var(--color-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.24);
  }

  :where(.ui-btn-primary):not([aria-disabled='true']):not(:disabled):active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
  }

  .ui-btn-secondary {
    background: transparent;
    border-color: var(--color-border);
    color: var(--color-text);
  }

  :where(.ui-btn-secondary):not([aria-disabled='true']):not(:disabled):hover {
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text);
  }

  .ui-btn-success {
    background: var(--color-success);
    color: var(--color-on-primary);
  }

  :where(.ui-btn-success):not([aria-disabled='true']):not(:disabled):hover {
    background: var(--color-success-hover);
    color: var(--color-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.18);
  }

  .ui-btn-danger {
    background: var(--color-error);
    color: var(--color-on-primary);
  }

  :where(.ui-btn-danger):not([aria-disabled='true']):not(:disabled):hover {
    background: var(--color-error-hover);
    color: var(--color-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.18);
  }

  .ui-btn-info {
    background: var(--color-info);
    color: var(--color-on-primary);
  }

  :where(.ui-btn-info):not([aria-disabled='true']):not(:disabled):hover {
    background: var(--color-info-hover);
    color: var(--color-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.18);
  }

  .ui-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 24px;
    min-width: 24px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text);
    font-size: var(--ui-font-size-xs);
    font-weight: var(--ui-font-weight-bold);
  }

  .ui-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.125rem 0.5rem;
    border-radius: 999px;
    font-size: 0.625rem;
    font-weight: var(--ui-font-weight-semibold);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    line-height: 1.2;
    white-space: nowrap;
  }

  .loading-small, .empty-small, .error-small {
    color: var(--color-text-muted);
    font-size: 0.875rem;
  }

  .status-draft { background: var(--color-neutral-muted); color: var(--color-on-primary); }
  .status-discussion { background: var(--color-info); color: var(--color-on-primary); }
  .status-voting { background: var(--color-success); color: var(--color-on-primary); }
  .status-closed { background: var(--color-neutral); color: var(--color-on-primary); }

  .type-comment { background: var(--ui-pill-type-comment-bg, var(--color-info)); color: var(--color-on-primary); }
  .type-vote { background: var(--ui-pill-type-vote-bg, var(--color-success)); color: var(--color-on-primary); }
  .type-proposal { background: var(--ui-pill-type-proposal-bg, var(--color-secondary)); color: var(--color-on-primary); }
  .type-community { background: var(--ui-pill-type-community-bg, var(--color-warning)); color: var(--color-on-primary); }

  :where(input.ui-input, select.ui-select) {
    width: 100%;
    border-radius: var(--radius-md);
  }

  :where(select.ui-select) {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding-right: 2.25rem;
    background-image:
      linear-gradient(45deg, transparent 50%, var(--color-text-muted) 50%),
      linear-gradient(135deg, var(--color-text-muted) 50%, transparent 50%),
      linear-gradient(to right, transparent, transparent);
    background-position:
      calc(100% - 1.05rem) 1.15rem,
      calc(100% - 0.75rem) 1.15rem,
      0 0;
    background-size:
      6px 6px,
      6px 6px,
      100% 100%;
    background-repeat: no-repeat;
  }

  .ui-kpis {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
  }

  .ui-kpi {
    padding: 0.75rem 0.875rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: rgba(0, 0, 0, 0.18);
    min-width: 140px;
  }

  .ui-kpi-value {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
  }

  .ui-kpi-label {
    margin-top: 0.125rem;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
  }

  @media (max-width: 768px) {
    .ui-container {
      padding: 0 1rem;
    }

    .ui-page-header {
      flex-direction: column;
      align-items: stretch;
    }

    .ui-actions {
      justify-content: flex-start;
    }

    :where(.panel > summary, .panel-summary) {
      flex-direction: column;
      align-items: flex-start;
    }

    .panel-actions {
      justify-content: flex-start;
    }
  }
</style>