:root {
      --tc-primary: #2F80ED;
      --tc-primary-hover: #2670D2;
      --tc-primary-light: #EBF3FD;
      --tc-secondary: #56CCF2;
      --tc-accent: #27AE60;
      --tc-bg-main: #F8FAFC;
      --tc-bg-card: #FFFFFF;
      --tc-text-main: #1F2937;
      --tc-text-muted: #6B7280;
      --tc-border: #EEF2F7;
      --tc-border-input: #E2E8F0;
      --tc-input-bg: #F1F5F9;
    }

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

    body {
      font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background-color: var(--tc-bg-main);
      color: var(--tc-text-main);
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
      -webkit-font-smoothing: antialiased;
    }

    .login-wrapper {
      width: 100%;
      max-width: 420px;
      margin: auto;
    }

    .login-card {
      background: var(--tc-bg-card);
      border: 1px solid var(--tc-border);
      border-radius: 20px;
      box-shadow: 0 10px 30px -5px rgba(47, 128, 237, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
      overflow: hidden;
    }

     
    .login-header {
      background: linear-gradient(145deg, #3B86FF 0%, #2F80ED 50%, #1E6FDA 100%);
      padding: 2.25rem 1.75rem 2rem 1.75rem;
      text-align: center;
      color: #FFFFFF;
      position: relative;
    }

    .logo-container {
      width: 90px;
      height: 90px;
      margin: 0 auto 1rem auto;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }

    .logo-container::before {
      content: "";
      position: absolute;
      inset: 9px;
      background: #FFFFFF;
      border-radius: 50%;
    }

    .logo-container img {
      width: 100%;
      height: 100%;
      object-fit: contain;
      filter: none;
      position: relative;
      z-index: 1;
    }

    .brand-name {
      font-size: 23px;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 2px;
      color: #FFFFFF;
    }

    .brand-sub {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.9);
      font-weight: 400;
      margin-bottom: 14px;
    }

    .system-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.18);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.35);
      border-radius: 9999px;
      padding: 5px 16px;
      font-size: 12px;
      font-weight: 500;
      color: #FFFFFF;
    }

    .system-pill i {
      font-size: 13px;
    }

     
    .login-body {
      padding: 2rem 1.75rem 1.75rem 1.75rem;
    }

    .form-group {
      margin-bottom: 1.25rem;
    }

    .form-label-custom {
      display: block;
      font-size: 13.5px;
      font-weight: 600;
      color: var(--tc-text-main);
      margin-bottom: 7px;
    }

    .input-wrapper {
      display: flex;
      align-items: center;
      background-color: var(--tc-input-bg);
      border: 1px solid var(--tc-border-input);
      border-radius: 10px;
      transition: all 0.2s ease;
      overflow: hidden;
    }

    .input-wrapper:focus-within {
      background-color: #FFFFFF;
      border-color: var(--tc-primary);
      box-shadow: 0 0 0 3px rgba(47, 128, 237, 0.14);
    }

    .input-icon {
      padding: 0 12px 0 14px;
      color: var(--tc-text-muted);
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .input-field {
      flex: 1;
      border: none;
      background: transparent;
      padding: 12px 14px 12px 0;
      font-size: 13.5px;
      color: var(--tc-text-main);
      font-family: inherit;
      outline: none;
    }

    .input-field::placeholder {
      color: #9CA3AF;
      font-size: 13.5px;
    }

    .btn-toggle-eye {
      border: none;
      background: transparent;
      padding: 0 14px;
      color: var(--tc-text-muted);
      cursor: pointer;
      font-size: 15px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: color 0.15s ease;
    }

    .btn-toggle-eye:hover {
      color: var(--tc-primary);
    }

     
    .options-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-top: 1rem;
      margin-bottom: 1.5rem;
      font-size: 13px;
    }

    .remember-label {
      display: flex;
      align-items: center;
      gap: 7px;
      color: var(--tc-text-muted);
      cursor: pointer;
      user-select: none;
      margin-bottom: 0;
    }

    .remember-checkbox {
      width: 15px;
      height: 15px;
      accent-color: var(--tc-primary);
      cursor: pointer;
      border-radius: 4px;
    }

    .forgot-link {
      color: var(--tc-primary);
      text-decoration: none;
      font-weight: 500;
      transition: color 0.15s ease;
    }

    .forgot-link:hover {
      color: var(--tc-primary-hover);
      text-decoration: underline;
    }

     
    .btn-signin {
      width: 100%;
      background-color: var(--tc-primary);
      color: #FFFFFF;
      border: none;
      border-radius: 10px;
      padding: 12px 16px;
      font-size: 14.5px;
      font-weight: 600;
      font-family: inherit;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all 0.2s ease;
      box-shadow: 0 4px 12px rgba(47, 128, 237, 0.25);
    }

    .btn-signin:hover {
      background-color: var(--tc-primary-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 16px rgba(47, 128, 237, 0.32);
    }

    .btn-signin:active {
      transform: translateY(0);
    }

     
    .login-footer {
      margin-top: 1.5rem;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-size: 12px;
      color: var(--tc-text-muted);
      padding-top: 0.75rem;
      border-top: 1px solid var(--tc-border);
    }

    .login-footer i {
      color: var(--tc-accent);
      font-size: 13.5px;
    }

     
    .login-alert {
      background-color: #FDF2F2;
      border: 1px solid #F8D7DA;
      color: #721C24;
      border-radius: 10px;
      padding: 10px 14px;
      font-size: 13px;
      margin-bottom: 1.25rem;
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }

    @media (max-width: 480px) {
      .login-header {
        padding: 2rem 1.25rem 1.75rem 1.25rem;
      }
      .login-body {
        padding: 1.5rem 1.25rem 1.25rem 1.25rem;
      }
    }