@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap');

    /* Reset */
    *, *::before,
    *::after {
      box-sizing: border-box;
    }

    body,
    html {
      margin: 0;
      padding: 0;
      height: 100%;
      font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      background: linear-gradient(135deg, #4b6cb7 0%, #182848 100%);
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      color: #fff;
      position: relative;
      user-select: none;
    }

    /* Canvas full screen behind */
    #bgCanvas {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      z-index: 0;
      pointer-events: none;
    }

    /* Textura sutil no fundo */
    body::before {
      content: "";
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: repeating-linear-gradient(45deg, rgba(255 255 255 / 0.03) 0,
        rgba(255 255 255 / 0.03) 1px, transparent 1px, transparent 8px);
      pointer-events: none;
      z-index: 1;
    }

    .login-wrapper {
      position: relative;
      z-index: 10;
      background: rgba(255 255 255 / 0.1);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-radius: 20px;
      box-shadow: inset 0 0 40px rgba(255 255 255 / 0.15), 0 12px 36px rgba(0 0 0 / 0.3);
      width: 380px;
      max-width: 90vw;
      padding: 3rem 3rem 4rem;
      animation: fadeIn 1s ease forwards;
      transition: box-shadow 0.3s ease;
      user-select: text;
    }

    .login-wrapper:hover {
      box-shadow: inset 0 0 60px rgba(255 255 255 / 0.3), 0 16px 48px rgba(0 0 0 / 0.4);
      cursor: default;
    }

    @keyframes fadeIn {
      from {
        opacity: 0;
        transform: translateY(20px);
      }

      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    h1 {
      font-weight: 700;
      font-size: 2.3rem;
      margin-bottom: 2.8rem;
      text-align: center;
      text-shadow: 0 0 7px rgba(0, 0, 0, 0.3);
      user-select: none;
      letter-spacing: 0.06em;
    }

    form {
      display: flex;
      flex-direction: column;
      gap: 2.8rem;
      position: relative;
    }

    /* Floating label inputs refinados */

    .input-group {
      position: relative;
      width: 100%;
    }

    input {
      width: 100%;
      padding: 14px 14px 14px 44px;
      background: transparent;
      border: none;
      border-bottom: 2px solid rgba(255 255 255 / 0.35);
      color: #fff;
      font-size: 1.05rem;
      font-weight: 500;
      outline-offset: 4px;
      outline-color: transparent;
      transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      border-radius: 0;
      user-select: text;
      caret-color: #91a7ff;
      background: transparent;
      color: #fff;
    }

    input::placeholder {
      color: transparent;
      transition: opacity 0.3s ease;
    }

    input:focus::placeholder {
      opacity: 0;
    }

    label {
      position: absolute;
      left: 44px;
      top: 14px;
      color: rgba(255 255 255 / 0.65);
      font-weight: 500;
      font-size: 1rem;
      pointer-events: none;
      transition: 0.3s ease all;
      user-select: none;
      text-shadow: 0 0 3px rgba(0, 0, 0, 0.15);
    }

    input:focus,
    input:not(:placeholder-shown) {
      border-bottom-color: #91a7ff;
      box-shadow: 0 2px 12px rgba(145, 167, 255, 0.6);
      background: rgba(0, 0, 0, 0.25);
      /* Fundo escuro para melhorar leitura */
      outline-color: #91a7ff;
      outline-style: solid;
      outline-width: 2px;
      outline-offset: 4px;
    }

    input:focus+label,
    input:not(:placeholder-shown)+label {
      top: -12px;
      font-size: 0.78rem;
      color: #bcd1ff;
      font-weight: 700;
      text-shadow: 0 0 8px rgba(145, 167, 255, 0.7);
    }

    /* Linha animada no bottom do input */

    .input-group::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 50%;
      width: 0;
      height: 3px;
      background: #91a7ff;
      border-radius: 4px;
      transition: width 0.4s ease, left 0.4s ease;
      pointer-events: none;
    }

    input:focus~.input-group::after,
    input:not(:placeholder-shown)~.input-group::after {
      width: 100%;
      left: 0;
    }

    /* Ícones nos inputs */
    .input-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: rgba(255 255 255 / 0.7);
      font-size: 1.3rem;
      pointer-events: none;
      user-select: none;
      filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.2));
      transition: color 0.3s ease, filter 0.3s ease;
    }

    input:focus~.input-icon {
      color: #91a7ff;
      filter: drop-shadow(0 0 6px #91a7ff);
    }

    /* Mostrar senha botão */
    .toggle-password {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      cursor: pointer;
      color: rgba(255 255 255 / 0.7);
      font-size: 1.25rem;
      user-select: none;
      transition: color 0.3s ease;
      padding: 4px;
      border-radius: 4px;
    }

    .toggle-password:hover {
      color: #bcd1ff;
      background: rgba(255 255 255 / 0.15);
    }

    /* Botão submit com brilho animado */
    button[type="submit"] {
      position: relative;
      background: linear-gradient(135deg, #667eea, #764ba2);
      padding: 14px 0;
      border: none;
      border-radius: 30px;
      font-size: 1.25rem;
      font-weight: 700;
      color: white;
      cursor: pointer;
      box-shadow: 0 6px 24px rgba(118, 75, 162, 0.6);
      transition: background 0.3s ease, box-shadow 0.3s ease;
      user-select: none;
      overflow: hidden;
      z-index: 1;
    }

    button[type="submit"]::before {
      content: "";
      position: absolute;
      top: -50%;
      left: -50%;
      width: 200%;
      height: 200%;
      background: linear-gradient(45deg, rgba(255 255 255 / 0.2), rgba(255 255 255 / 0));
      animation: shine 3s linear infinite;
      transform: rotate(25deg);
      z-index: 0;
      pointer-events: none;
    }

    @keyframes shine {
      0% {
        transform: translateX(-100%) rotate(25deg);
      }

      100% {
        transform: translateX(100%) rotate(25deg);
      }
    }

    button[type="submit"]:hover {
      background: linear-gradient(135deg, #764ba2, #667eea);
      box-shadow: 0 10px 32px rgba(118, 75, 162, 0.85);
    }

    button[type="submit"]:focus-visible {
      outline: 3px solid #bcd1ff;
      outline-offset: 3px;
    }

    /* Mensagem de erro */
    .error-message {
      background-color: rgba(255 50 50 / 0.15);
      border-left: 4px solid #ff3838;
      color: #ff3838;
      padding: 0.75rem 1rem;
      border-radius: 6px;
      font-weight: 600;
      font-size: 0.9rem;
      user-select: none;
      margin-bottom: -1rem;
      margin-top: -1rem;
      text-align: left;
      box-shadow: 0 0 8px rgba(255 56 56 / 0.5);
    }

    /* Link esqueci senha */
    .forgot-password {
      margin-top: -1.5rem;
      margin-bottom: 2rem;
      font-size: 0.9rem;
      text-align: right;
      user-select: none;
    }

    .forgot-password button {
      background: none;
      border: none;
      color: #91a7ff;
      font-weight: 600;
      cursor: pointer;
      padding: 0;
      font-size: 0.9rem;
      transition: color 0.3s ease;
      text-decoration: underline;
      user-select: text;
    }

    .forgot-password button:hover,
    .forgot-password button:focus-visible {
      color: #bcd1ff;
      outline: none;
    }

    /* Modal styles */
    .modal {
      position: fixed;
      top: 50%;
      left: 50%;
      width: 360px;
      max-width: 90vw;
      background: rgba(255 255 255 / 0.15);
      backdrop-filter: blur(22px);
      -webkit-backdrop-filter: blur(22px);
      border-radius: 20px;
      box-shadow: inset 0 0 40px rgba(255 255 255 / 0.2), 0 20px 60px rgba(0 0 0 / 0.6);
      padding: 2.5rem 3rem 3rem;
      transform: translate(-50%, -50%) scale(0);
      opacity: 0;
      z-index: 100;
      transition: opacity 0.3s ease, transform 0.3s ease;
      user-select: text;
    }

    .modal.show {
      opacity: 1;
      transform: translate(-50%, -50%) scale(1);
    }

    .modal h2 {
      margin-top: 0;
      margin-bottom: 1.5rem;
      font-weight: 700;
      font-size: 1.8rem;
      color: #bcd1ff;
      text-align: center;
      user-select: none;
      text-shadow: 0 0 10px rgba(145, 167, 255, 0.8);
    }

    .modal form {
      display: flex;
      flex-direction: column;
      gap: 1.8rem;
    }

    .modal input {
      padding: 14px 14px 14px 44px;
      border: none;
      border-bottom: 2px solid rgba(255 255 255 / 0.35);
      background: transparent;
      color: #fff;
      font-size: 1.05rem;
      font-weight: 500;
      outline-offset: 4px;
      outline-color: transparent;
      transition: border-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
      border-radius: 0;
      caret-color: #91a7ff;
      user-select: text;
      position: relative;
    }

    .modal input::placeholder {
      color: transparent;
      transition: opacity 0.3s ease;
    }

    .modal input:focus::placeholder {
      opacity: 0;
    }

    .modal label {
      position: absolute;
      left: 44px;
      top: 14px;
      color: rgba(255 255 255 / 0.65);
      font-weight: 500;
      font-size: 1rem;
      pointer-events: none;
      transition: 0.3s ease all;
      user-select: none;
      text-shadow: 0 0 3px rgba(0, 0, 0, 0.15);
    }

    .modal input:focus,
    .modal input:not(:placeholder-shown) {
      border-bottom-color: #91a7ff;
      box-shadow: 0 2px 12px rgba(145, 167, 255, 0.6);
      background: rgba(0, 0, 0, 0.25);
      outline-color: #91a7ff;
      outline-style: solid;
      outline-width: 2px;
      outline-offset: 4px;
    }

    .modal input:focus+label,
    .modal input:not(:placeholder-shown)+label {
      top: -12px;
      font-size: 0.78rem;
      color: #bcd1ff;
      font-weight: 700;
      text-shadow: 0 0 8px rgba(145, 167, 255, 0.7);
    }

    .modal .input-group {
      position: relative;
      width: 100%;
      margin-bottom: 0;
    }

    .modal .input-icon {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: rgba(255 255 255 / 0.7);
      font-size: 1.3rem;
      pointer-events: none;
      user-select: none;
      filter: drop-shadow(0 0 1px rgba(0, 0, 0, 0.2));
      transition: color 0.3s ease, filter 0.3s ease;
    }

    .modal input:focus~.input-icon {
      color: #91a7ff;
      filter: drop-shadow(0 0 6px #91a7ff);
    }

    .modal button[type="submit"] {
      background: linear-gradient(135deg, #91a7ff, #364fc7);
      padding: 12px 0;
      border: none;
      border-radius: 24px;
      font-size: 1.1rem;
      font-weight: 700;
      color: white;
      cursor: pointer;
      box-shadow: 0 6px 24px rgba(57, 102, 208, 0.8);
      transition: background 0.3s ease, box-shadow 0.3s ease;
      user-select: none;
      overflow: hidden;
      z-index: 1;
    }

    .modal button[type="submit"]:hover {
      background: linear-gradient(135deg, #5c7cfa, #1c3faa);
      box-shadow: 0 10px 32px rgba(57, 102, 208, 1);
    }

    .modal button[type="submit"]:focus-visible {
      outline: 3px solid #bcd1ff;
      outline-offset: 3px;
    }

    /* Botão fechar modal */
    .modal-close {
      position: absolute;
      top: 16px;
      right: 20px;
      background: none;
      border: none;
      color: #bcd1ff;
      font-size: 1.8rem;
      cursor: pointer;
      user-select: none;
      transition: color 0.3s ease;
    }

    .modal-close:hover,
    .modal-close:focus-visible {
      color: #91a7ff;
      outline: none;
    }

    /* Responsividade */
    @media (max-width: 400px) {
      .login-wrapper {
        width: 90%;
        padding: 2.5rem 1.8rem 3rem;
      }

      .modal {
        width: 90vw;
        padding: 2rem 2rem 2.5rem;
      }
    }