body {
      background-color: rgb(31, 24, 90);
      margin: 0;
      overflow: hidden;
      font-family: Georgia, serif;
    }

    .popup {
      position: fixed;
      width: 300px;
      max-height: 400px;
      background: rgb(31, 24, 90);
      color: rgb(255, 255, 255);
      padding: 16px 8px 16px 16px;
      overflow-y: scroll;
      border-radius: 8px;
      border: 2px solid rgb(255, 255, 255);
      z-index: 300;
      display: none;
      scrollbar-width: thin;
      scrollbar-color: rgba(255, 255, 255, 0.25) rgba(255, 255, 255, 0.05);
    }

    .popup.visible {
      display: block;
    }

    .popup::-webkit-scrollbar {
      width: 6px;
    }

    .popup::-webkit-scrollbar-track {
      background: rgba(255, 255, 255, 0.05);
      border-radius: 3px;
      margin: 4px;
    }

    .popup::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255);
      border-radius: 3px;
    }

    .popup-title {
      font-size: 16px;
      font-weight: normal;
      color: #ffffff;
      margin-bottom: 10px;
      padding-right: 20px;
      letter-spacing: 1px;
      text-transform: uppercase;
      font-family: Georgia, 'Times New Roman', Times, serif;
    }

    .popup-close {
      position: absolute;
      top: 10px;
      right: 12px;
      background: none;
      border: none;
      color: rgba(255, 255, 255);
      font-size: 16px;
      cursor: pointer;
      padding: 0;
      line-height: 1;
    }

    .popup-close:hover {
      color: #fff;
    }

    #universe {
      width: 100vw;
      height: 100vh;
      overflow: hidden;
      position: relative;
      cursor: grab;
      outline: none;
    }

    #universe.dragging {
      cursor: grabbing;
    }

    #space {
      position: absolute;
      width: 3200px;
      height: 2400px;
      top: 0;
      left: 0;
      will-change: transform;
    }

    #About-btn {
      position: fixed;
      top: 18px;
      left: 18px;
      z-index: 500;
      background: rgba(31, 24, 90, 0.85);
      border: 2px solid rgb(255, 255, 255);
      color: #fff;
      border-radius: 8px;
      padding: 8px 18px;
      font-family: Georgia, serif;
      font-size: 13px;
      letter-spacing: 0.06em;
      cursor: pointer;
      backdrop-filter: blur(6px);
    }

    #About-btn:hover {
      background: rgba(60, 50, 140, 0.95);
      border-color: rgb(255, 255, 255);
    }

    #post-btn {
      position: fixed;
      top: 65px;
      left: 18px;
      z-index: 500;
      background: rgba(31, 24, 90, 0.85);
      border: 2px solid rgb(255, 255, 255);
      color: #fff;
      border-radius: 8px;
      padding: 8px 18px;
      font-family: Georgia, serif;
      font-size: 13px;
      letter-spacing: 0.06em;
      cursor: pointer;
      backdrop-filter: blur(6px);
    }

    #post-btn:hover {
      background: rgba(60, 50, 140, 0.95);
      border-color: rgb(255, 255, 255);
    }

    #post-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 600;
      display: none;
      align-items: center;
      justify-content: center;
    }

    #post-overlay.visible {
      display: flex;
    }

    #about-overlay {
      position: fixed;
      inset: 0;
      background: rgba(0, 0, 0, 0.6);
      z-index: 600;
      display: none;
      align-items: center;
      justify-content: center;
    }

    #about-overlay.visible {
      display: flex;
    }

    #about-modal {
      background: rgb(31, 24, 90);
      border: 2px solid rgb(255, 255, 255);
      border-radius: 12px;
      padding: 28px;
      width: 380px;
      max-width: 95vw;
      color: #fff;
      font-family: Georgia, serif;
      position: relative;
    }

    #about-modal h2 {
      font-size: 16px;
      font-weight: normal;
      color: #ffffff;
      margin: 0 0 20px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    #about-modal p {
      font-size: 13px;
      line-height: 1.7;
      margin: 0 0 10px;
    }

    #about-modal p:last-child {
      margin-bottom: 0;
    }

    #post-modal {
      background: rgb(31, 24, 90);
      border: 2px solid rgb(255, 255, 255);
      border-radius: 12px;
      padding: 28px;
      width: 380px;
      max-width: 95vw;
      color: #fff;
      font-family: Georgia, serif;
      position: relative;
    }

    #post-modal h2 {
      font-size: 16px;
      font-weight: normal;
      color: #ffffff;
      margin: 0 0 20px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }

    #post-modal label {
      display: block;
      font-size: 13px;
      color: rgb(255, 255, 255);
      letter-spacing: 0.08em;
      margin-bottom: 6px;
    }

    #post-modal input[type="text"],
    #post-modal textarea {
      width: 100%;
      box-sizing: border-box;
      background: rgb(18, 13, 60);
      border: 2px solid rgb(255, 255, 255);
      border-radius: 6px;
      color: #fff;
      font-family: Georgia, serif;
      font-size: 13px;
      padding: 9px 12px;
      margin-bottom: 16px;
      outline: none;
      resize: vertical;
      transition: border-color 0.2s;
    }

    #post-modal input[type="text"]:focus,
    #post-modal textarea:focus {
      border-color: rgb(255, 255, 255);
    }

    #post-modal textarea {
      min-height: 130px;
    }

    .color-row {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 20px;
    }

    #star-color-picker {
      width: 44px;
      height: 44px;
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      padding: 0;
      background: none;
      cursor: pointer;
      outline: none;
      overflow: hidden;
      border: none;
      transition: filter 0.3s ease, transform 0.3s ease;
    }

    #star-color-picker:hover {
      animation: pulse 1.5s infinite;
      filter: brightness(1.2) drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
      transform: scale(1.1);
    }

    @keyframes pulse {
      0%, 100% {
        filter: brightness(1.2) drop-shadow(0 0 8px rgba(255, 255, 255, 0.6));
      }
      50% {
        filter: brightness(1.4) drop-shadow(0 0 16px rgba(255, 255, 255, 0.9));
      }
    }

    #star-color-picker::-webkit-color-swatch-wrapper {
      padding: 0;
    }

    #star-color-picker::-webkit-color-swatch {
      width: 44px;
      height: 44px;
      clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
      border: none;
    }

    .color-hint {
      font-size: 13px;
      color: rgb(255, 255, 255);
    }

    .modal-btns {
      display: flex;
      gap: 10px;
      justify-content: flex-end;
    }

    .modal-btns button {
      font-family: Georgia, serif;
      font-size: 13px;
      border-radius: 6px;
      padding: 8px 20px;
      cursor: pointer;
      border: 2px solid rgb(255, 255, 255);
      transition: background 0.2s;
    }

    #cancel-btn {
      background-color: rgb(18, 13, 60);
      color: rgb(255, 255, 255);
    }

    #cancel-btn:hover {
      background: rgb(45, 37, 117);
    }

    #submit-btn {
      background-color: rgb(18, 13, 60);
      color: #fff;
    }

    #submit-btn:hover {
      background: rgb(45, 37, 117);
    }

    .preview-entry {
      border-bottom: 2px solid rgb(255, 255, 255);
      padding: 8px 0;
    }

    .preview-entry:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .preview-entry:first-child {
      padding-top: 0;
    }

    .preview-entry-title {
      font-size: 16px;
      font-weight: normal;
      text-transform: uppercase;
      color: #ffffff;
      margin-bottom: 3px;
    }

    .preview-entry-text {
      font-size: 13px;
      color: rgb(255, 255, 255);
      line-height: 1.5;
      white-space: pre-wrap;
      word-break: break-word;
    }

    #loading-indicator {
      position: fixed;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: rgba(255,255,255,0.6);
      font-family: Georgia, serif;
      font-size: 13px;
      letter-spacing: 0.1em;
      pointer-events: none;
      z-index: 10;
    }