body {
      background-image: url('back.jpg');
      background-attachment: fixed;
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }

    body,
    span,
    div,
    h2,
    h3,
    h4,
    h5,
    h6,
    .h1,
    .h2,
    .h3,
    .h4,
    .h5,
    .h6 {
      color: #1c8b7e;
    }

    input,
    progress {
      accent-color: #1c8b7e;
    }

    .page-header {
      background: linear-gradient(135deg, rgba(28, 139, 126, 0.82) 0%, rgba(20, 101, 91, 0.88) 100%);
      padding: 3rem 0 2.5rem;
      margin-bottom: 0;
    }

    .page-header h1 {
      color: #fff !important;
      font-size: 1.8rem;
      font-weight: 600;
    }

    .page-header p {
      color: rgba(255, 255, 255, 0.85) !important;
      font-size: 0.95rem;
    }

    .form-card {
      background: rgba(255, 255, 255, 0.18);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-radius: 16px;
      border: 1px solid rgba(255, 255, 255, 0.35);
      box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
      padding: 2.5rem 2rem;
      margin-top: -1rem;
    }

    @media (max-width: 576px) {
      .form-card {
        padding: 1.5rem 1rem;
      }
    }

    .form-label {
      font-weight: 500;
      font-size: 0.9rem;
      color: #fff;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
      margin-bottom: 0.3rem;
    }

    .form-label .required {
      color: #ffb3b3;
      margin-left: 3px;
    }

    .form-label .optional {
      color: rgba(255, 255, 255, 0.65);
      font-size: 0.8rem;
      font-weight: 400;
      margin-left: 4px;
    }

    .form-control {
      border-radius: 8px;
      border: 1px solid rgba(255, 255, 255, 0.45);
      background: rgba(255, 255, 255, 0.35);
      color: #fff;
      padding: 0.65rem 0.9rem;
      font-size: 0.92rem;
      transition: border-color 0.2s, background 0.2s;
    }

    .form-control:focus {
      background: rgba(255, 255, 255, 0.45);
      border-color: rgba(255, 255, 255, 0.8);
      color: #fff;
      box-shadow: 0 0 0 0.15rem rgba(255, 255, 255, 0.2);
    }

    .form-control::placeholder {
      color: rgba(255, 255, 255, 0.55);
    }

    .section-divider {
      border: none;
      border-top: 1px solid rgba(255, 255, 255, 0.25);
      margin: 1.8rem 0;
    }

    .section-title {
      font-size: 0.8rem;
      font-weight: 600;
      color: rgba(255, 255, 255, 0.85);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 1rem;
      text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
    }

    .file-upload-area {
      border: 2px dashed rgba(255, 255, 255, 0.45);
      border-radius: 8px;
      padding: 1.5rem;
      text-align: center;
      cursor: pointer;
      transition: border-color 0.2s, background 0.2s;
      background: rgba(255, 255, 255, 0.1);
    }

    .file-upload-area:hover {
      border-color: rgba(255, 255, 255, 0.8);
      background: rgba(255, 255, 255, 0.2);
    }

    .file-upload-area.has-file {
      border-color: rgba(255, 255, 255, 0.9);
      background: rgba(255, 255, 255, 0.22);
    }

    .file-upload-area input[type="file"] {
      display: none;
    }

    .file-upload-icon {
      font-size: 2rem;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 0.5rem;
    }

    .file-upload-text {
      color: #fff;
      font-size: 0.9rem;
      margin-bottom: 0.3rem;
    }

    .file-upload-hint {
      color: rgba(255, 255, 255, 0.6);
      font-size: 0.78rem;
    }

    .file-name-display {
      margin-top: 0.5rem;
      font-size: 0.85rem;
      color: #fff;
      font-weight: 500;
    }

    .privacy-check-wrap {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.3);
      padding: 1rem 1.2rem;
      border-radius: 8px;
    }

    .privacy-check-wrap label {
      font-size: 0.9rem;
      color: rgba(255, 255, 255, 0.9);
      cursor: pointer;
    }

    .privacy-check-wrap .privacy-link {
      color: #a8e8e1;
      font-weight: 600;
      cursor: pointer;
      text-decoration: underline;
    }

    .btn-submit {
      background-color: #1c8b7e;
      border: none;
      color: #fff;
      padding: 0.85rem 2.5rem;
      font-size: 1rem;
      font-weight: 600;
      border-radius: 50px;
      width: 100%;
      max-width: 320px;
      transition: background-color 0.2s;
    }

    .btn-submit:hover {
      background-color: #14655b;
      color: #fff;
    }

    .btn-submit:disabled {
      background-color: #9eccc7;
    }

    .info-box {
      background: rgba(255, 255, 255, 0.1);
      border-left: 3px solid rgba(255, 255, 255, 0.6);
      padding: 0.9rem 1.1rem;
      margin-bottom: 1.5rem;
      font-size: 0.85rem;
      color: rgba(255, 255, 255, 0.88);
      line-height: 1.7;
    }

    .info-box ul {
      margin: 0;
      padding-left: 1.2rem;
    }

    .result-box {
      display: none;
      padding: 1.5rem;
      border-radius: 12px;
      text-align: center;
      margin-top: 1.5rem;
    }

    .result-box.success {
      background: #e8f7f5;
      border: 1px solid #1c8b7e;
      color: #1c8b7e;
    }

    .result-box.error {
      background: #fdf0f0;
      border: 1px solid #e74c3c;
      color: #e74c3c;
    }

    .lab_check {
      display: inline-flex;
      align-items: center;
      cursor: pointer;
    }

    .char-count {
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.6);
      text-align: right;
      margin-top: 2px;
    }

    .char-count.over {
      color: #ffb3b3;
    }

    /* Modal */
    .modal-header {
      background: #1c8b7e;
      color: #fff;
    }

    .modal-title {
      color: #fff !important;
    }

    .modal-header .close {
      color: #fff;
    }

    /* Validation Toast */
    .validation-toast {
      position: fixed;
      top: -100px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(220, 53, 69, 0.95);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      color: #fff;
      padding: 0.85rem 1.4rem;
      border-radius: 50px;
      font-size: 0.92rem;
      font-weight: 500;
      box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
      display: flex;
      align-items: center;
      gap: 0.4rem;
      white-space: nowrap;
      max-width: calc(100vw - 2rem);
      z-index: 9999;
      transition: top 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
      pointer-events: none;
    }

    .validation-toast.show {
      top: 1.5rem;
      pointer-events: auto;
    }

    .toast-close {
      background: none;
      border: none;
      color: #fff;
      font-size: 1.2rem;
      line-height: 1;
      cursor: pointer;
      padding: 0 0 0 0.5rem;
      opacity: 0.8;
    }

    .toast-close:hover {
      opacity: 1;
    }