:root {
      --bg-gradient: radial-gradient(circle at top left, #1e293b 0, #020617 45%, #020617 100%);
      --accent-pdf: #f59e0b;
      --accent-cyan: #22d3ee;
      --card-bg: rgba(15, 23, 42, 0.78);
      --card-border: rgba(148, 163, 184, 0.25);
      --muted: #94a3b8;
      --fg: #e5e7eb;
      --fg-strong: #f9fafb;
      --shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.9);
      --radius-xl: 1.4rem;
      --transition-fast: 180ms ease-out;
    }

    @font-face {
      font-family: "Noto Sans";
      src: url("/assets/fonts/NotoSans-Regular-latin.woff2") format("woff2");
      font-weight: 400;
      font-style: normal;
      font-display: swap;
    }

    @font-face {
      font-family: "Noto Sans";
      src: url("/assets/fonts/NotoSans-Bold-latin.woff2") format("woff2");
      font-weight: 700;
      font-style: normal;
      font-display: swap;
    }

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

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

    body {
      font-family: "Noto Sans", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--bg-gradient);
      color: var(--fg);
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }

    .shell {
      width: 100%;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .glow {
      position: absolute;
      inset: -20%;
      pointer-events: none;
      opacity: 0.45;
      background:
        radial-gradient(circle at 8% 10%, rgba(56, 189, 248, 0.18) 0, transparent 55%),
        radial-gradient(circle at 90% 0%, rgba(244, 114, 182, 0.2) 0, transparent 60%),
        radial-gradient(circle at 50% 100%, rgba(245, 158, 11, 0.18) 0, transparent 55%);
      filter: blur(6px);
      z-index: 0;
    }

    .panel {
      position: relative;
      z-index: 1;
      background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.92),
        rgba(15, 23, 42, 0.78)
      );
      border-radius: 0;
      border: 1px solid rgba(148, 163, 184, 0.35);
      box-shadow: var(--shadow-soft);
      padding: 0;
      backdrop-filter: blur(22px) saturate(140%);
      overflow: hidden;
      min-height: 100vh;
    }

    .panel::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url("/abend_ueber_chemnitz.png");
      background-size: cover;
      background-position: center;
      opacity: 0.28;
      filter: saturate(115%) contrast(1.05);
      z-index: 0;
    }

    .panel::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(
        135deg,
        rgba(15, 23, 42, 0.92),
        rgba(15, 23, 42, 0.72)
      );
      z-index: 0;
    }

    .panel > * {
      position: relative;
      z-index: 1;
    }

    .panel-content {
      width: min(100%, 1180px);
      margin: 0 auto;
      padding: clamp(1.4rem, 4vw, 2.6rem);
    }

    .header {
      display: flex;
      flex-direction: column;
      gap: 1rem;
      margin-bottom: 1.8rem;
    }

    @media (min-width: 768px) {
      .header {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 0.85rem;
    }

    .logo-circle {
      width: 42px;
      height: 42px;
      border-radius: 999px;
      background: conic-gradient(from 200deg, #22c55e, #38bdf8, #a855f7, #22c55e);
      padding: 1px;
      position: relative;
    }

    .logo-inner {
      width: 100%;
      height: 100%;
      border-radius: inherit;
      background: radial-gradient(circle at 30% 0, #0f172a, #020617);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #e5e7eb;
      font-weight: 600;
      font-size: 0.9rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }

    .brand-text h1 {
      font-size: 1.25rem;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--fg-strong);
    }

    .brand-text p {
      font-size: 0.78rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--muted);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .ghost-link {
      text-decoration: none;
      color: var(--fg);
      border: 1px solid rgba(148, 163, 184, 0.35);
      padding: 0.5rem 0.9rem;
      border-radius: 999px;
      font-size: 0.78rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      background: rgba(15, 23, 42, 0.6);
      transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .ghost-link:hover {
      transform: translateY(-2px);
      border-color: rgba(245, 158, 11, 0.6);
      box-shadow: 0 16px 30px rgba(15, 23, 42, 0.6);
    }

    .intro {
      margin-bottom: 1.6rem;
      max-width: 52rem;
    }

    .intro h2 {
      font-size: clamp(1.5rem, 2.4vw, 2.2rem);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 0.45rem;
    }

    .intro p {
      font-size: 0.95rem;
      color: var(--muted);
      line-height: 1.6;
    }

    .workspace {
      display: grid;
      grid-template-columns: 1fr;
      gap: 1.25rem;
      align-items: start;
    }

    @media (min-width: 1024px) {
      .workspace {
        grid-template-columns: 1.1fr 0.9fr;
      }
    }

    .drop-zone {
      background: rgba(15, 23, 42, 0.6);
      border-radius: var(--radius-xl);
      border: 1px dashed rgba(148, 163, 184, 0.4);
      padding: 2rem;
      text-align: center;
      display: flex;
      flex-direction: column;
      gap: 0.65rem;
      transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
      position: relative;
    }

    .drop-zone.is-dragover {
      border-color: rgba(245, 158, 11, 0.8);
      background: rgba(245, 158, 11, 0.08);
      transform: translateY(-2px);
    }

    .drop-zone.is-busy {
      opacity: 0.6;
      cursor: progress;
    }

    .drop-title {
      font-size: 1.1rem;
      font-weight: 600;
      color: var(--fg-strong);
    }

    .drop-subtitle {
      font-size: 0.9rem;
      color: var(--muted);
    }

    .drop-note {
      font-size: 0.78rem;
      color: rgba(148, 163, 184, 0.9);
    }

    .drop-actions {
      display: flex;
      justify-content: center;
      gap: 0.75rem;
      flex-wrap: wrap;
      margin-top: 0.4rem;
    }

    .queue {
      background: rgba(15, 23, 42, 0.7);
      border-radius: var(--radius-xl);
      border: 1px solid var(--card-border);
      padding: 1.4rem;
      display: flex;
      flex-direction: column;
      gap: 1rem;
    }

    .queue-header {
      display: flex;
      flex-direction: column;
      gap: 0.4rem;
    }

    .queue-header h3 {
      font-size: 1rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
    }

    .queue-header p {
      font-size: 0.85rem;
      color: var(--muted);
    }

    .queue-summary {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.12em;
      color: rgba(148, 163, 184, 0.8);
    }

    .file-list {
      display: flex;
      flex-direction: column;
      gap: 0.6rem;
      max-height: min(52vh, 420px);
      overflow-y: auto;
      padding-right: 0.2rem;
    }

    .file-list::-webkit-scrollbar {
      width: 8px;
    }

    .file-list::-webkit-scrollbar-thumb {
      background: rgba(148, 163, 184, 0.35);
      border-radius: 999px;
    }

    .file-item {
      display: grid;
      grid-template-columns: 64px 1fr auto;
      gap: 0.8rem;
      align-items: center;
      padding: 0.7rem 0.75rem;
      border-radius: 0.9rem;
      background: rgba(2, 6, 23, 0.55);
      border: 1px solid rgba(148, 163, 184, 0.2);
      transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .file-item.is-over {
      border-color: rgba(245, 158, 11, 0.75);
      box-shadow: 0 14px 30px rgba(245, 158, 11, 0.12);
    }

    .file-item.is-dragging {
      opacity: 0.4;
    }

    .file-preview {
      width: 64px;
      height: 64px;
      border-radius: 0.7rem;
      overflow: hidden;
      background: rgba(15, 23, 42, 0.9);
      border: 1px solid rgba(245, 158, 11, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent-pdf);
      font-weight: 600;
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
    }

    .file-preview img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .file-meta {
      display: flex;
      flex-direction: column;
      gap: 0.25rem;
      min-width: 0;
    }

    .file-name {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--fg-strong);
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .file-details {
      font-size: 0.75rem;
      color: var(--muted);
    }

    .file-actions {
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
    }

    .btn-icon {
      border: 1px solid rgba(148, 163, 184, 0.3);
      background: rgba(15, 23, 42, 0.7);
      color: var(--fg);
      border-radius: 0.55rem;
      padding: 0.3rem 0.55rem;
      font-size: 0.7rem;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      cursor: pointer;
      transition: border-color var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    }

    .btn-icon:hover:not(:disabled) {
      transform: translateY(-1px);
      border-color: rgba(245, 158, 11, 0.6);
    }

    .btn-icon:disabled {
      opacity: 0.4;
      cursor: default;
    }

    .empty-state {
      padding: 1.2rem;
      border-radius: 0.9rem;
      border: 1px dashed rgba(148, 163, 184, 0.3);
      background: rgba(15, 23, 42, 0.35);
      color: var(--muted);
      font-size: 0.82rem;
      text-align: center;
    }

    .queue-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.65rem;
    }

    .btn {
      border-radius: 0.8rem;
      border: 1px solid rgba(148, 163, 184, 0.35);
      padding: 0.65rem 1.1rem;
      font-size: 0.82rem;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      cursor: pointer;
      transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
      background: rgba(15, 23, 42, 0.65);
      color: var(--fg);
    }

    .btn:hover:not(:disabled) {
      transform: translateY(-2px);
      border-color: rgba(245, 158, 11, 0.6);
      box-shadow: 0 16px 30px rgba(15, 23, 42, 0.6);
    }

    .btn.primary {
      background: linear-gradient(135deg, rgba(245, 158, 11, 0.95), rgba(217, 119, 6, 0.9));
      color: #0f172a;
      border-color: rgba(245, 158, 11, 0.8);
      font-weight: 600;
    }

    .btn.outline {
      background: transparent;
      color: var(--accent-pdf);
      border-color: rgba(245, 158, 11, 0.6);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }

    .btn:disabled {
      opacity: 0.45;
      cursor: default;
    }

    .btn.is-disabled,
    .btn[aria-disabled="true"] {
      opacity: 0.35;
      cursor: not-allowed;
      pointer-events: none;
      box-shadow: none;
    }

    .status {
      border-radius: 0.8rem;
      border: 1px solid rgba(148, 163, 184, 0.3);
      background: rgba(15, 23, 42, 0.5);
      padding: 0.7rem 0.9rem;
      font-size: 0.8rem;
      color: var(--muted);
      min-height: 2.5rem;
      display: flex;
      align-items: center;
    }

    .status[data-tone="error"] {
      color: #fca5a5;
      border-color: rgba(239, 68, 68, 0.4);
      background: rgba(239, 68, 68, 0.08);
    }

    .status[data-tone="success"] {
      color: #86efac;
      border-color: rgba(34, 197, 94, 0.4);
      background: rgba(34, 197, 94, 0.08);
    }

    .status[data-tone="info"] {
      color: #bae6fd;
      border-color: rgba(56, 189, 248, 0.35);
      background: rgba(56, 189, 248, 0.08);
    }

    .footer {
      margin-top: 2rem;
      display: flex;
      flex-wrap: wrap;
      gap: 0.6rem;
      justify-content: space-between;
      font-size: 0.75rem;
      color: var(--muted);
    }

    .footer span {
      white-space: nowrap;
    }

    .legal-footer {
      margin-top: 0.8rem;
      display: flex;
      justify-content: center;
      gap: 0.6rem;
      font-size: 0.75rem;
      color: var(--muted);
    }

    .legal-link {
      color: inherit;
      text-decoration: none;
      border-bottom: 1px solid transparent;
      padding-bottom: 0.15rem;
      transition: color var(--transition-fast), border-color var(--transition-fast);
    }

    .legal-link:hover {
      color: var(--fg-strong);
      border-color: rgba(245, 158, 11, 0.6);
    }

    .legal-divider {
      opacity: 0.6;
    }

    .legal-modal {
      position: fixed;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
      background: rgba(2, 6, 23, 0.75);
      backdrop-filter: blur(6px);
      opacity: 0;
      pointer-events: none;
      transition: opacity var(--transition-fast);
      z-index: 30;
    }

    .legal-modal.is-open {
      opacity: 1;
      pointer-events: auto;
    }

    .legal-card {
      width: min(92vw, 760px);
      max-height: 85vh;
      overflow-y: auto;
      background: rgba(15, 23, 42, 0.95);
      border-radius: 1rem;
      border: 1px solid rgba(148, 163, 184, 0.35);
      box-shadow: var(--shadow-soft);
      padding: 1.4rem 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.85rem;
    }

    .legal-card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 0.75rem;
    }

    .legal-title {
      font-size: 0.95rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--fg-strong);
    }

    .legal-close {
      border: 1px solid rgba(148, 163, 184, 0.35);
      background: rgba(15, 23, 42, 0.7);
      color: var(--fg);
      border-radius: 999px;
      padding: 0.35rem 0.8rem;
      font-size: 0.7rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      cursor: pointer;
      transition: border-color var(--transition-fast), transform var(--transition-fast);
    }

    .legal-close:hover {
      transform: translateY(-1px);
      border-color: rgba(245, 158, 11, 0.6);
    }

    .legal-section {
      display: flex;
      flex-direction: column;
      gap: 0.7rem;
      font-size: 0.85rem;
      color: var(--muted);
      line-height: 1.6;
    }

    .legal-section[hidden] {
      display: none;
    }

    .legal-section h4 {
      font-size: 0.72rem;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: var(--fg-strong);
      margin-top: 0.2rem;
    }

    .legal-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.35rem;
      padding: 0;
      margin: 0;
    }

    body.modal-open {
      overflow: hidden;
    }

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

    @media (max-width: 640px) {
      .file-item {
        grid-template-columns: 52px 1fr;
      }

      .file-actions {
        grid-column: 1 / -1;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-start;
      }
    }

    @keyframes rise {
      from {
        opacity: 0;
        transform: translateY(8px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .drop-zone,
    .queue {
      animation: rise 0.6s ease-out both;
    }

    .queue {
      animation-delay: 0.1s;
    }

    @media (prefers-reduced-motion: reduce) {
      .drop-zone,
      .queue {
        animation: none;
        transition: none;
      }
    }