    * {
        box-sizing: border-box;
        font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    }

    body {
        margin: 0;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(180deg, #f4f6f9, #e9edf3);
        padding: 16px;
    }

    .login-card {
        width: 100%;
        max-width: 420px;
        background: #ffffff;
        border-radius: 14px;
        padding: 32px 28px 30px;
        box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        text-align: center;
    }

    .login-card img {
        width: 170px;              
        max-width: 70%;
        height: auto;
        margin-bottom: 18px;
    }

    .login-card h2 {
        margin: 0 0 24px;
        font-size: 22px;
        font-weight: 600;
        color: #1f2937;
    }

    .login-card label {
        display: block;
        text-align: left;
        font-size: 13px;
        color: #4b5563;
        margin-bottom: 6px;
    }

    .login-card input {
        width: 100%;
        padding: 12px 14px;
        margin-bottom: 18px;
        border-radius: 8px;
        border: 1px solid #d1d5db;
        font-size: 15px;
        outline: none;
        transition: border-color 0.2s, box-shadow 0.2s;
    }

    .login-card input:focus {
        border-color: #2563eb;
        box-shadow: 0 0 0 2px rgba(37,99,235,0.15);
    }

    .btn-submit {
        width: 100%;
        padding: 13px;
        border: none;
        border-radius: 8px;
        background: #2563eb;
        color: #ffffff;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: background 0.2s, transform 0.05s;
    }

    .btn-submit:hover {
        background: #1d4ed8;
    }

    .btn-submit:active {
        transform: scale(0.98);
    }        

    .footer-text {
        margin-top: 22px;
        font-size: 12px;
        color: #9ca3af;
    }

    /* ===== RESPONSIVE ===== */
    @media (max-width: 480px) {
        .login-card {
            padding: 26px 20px 24px;
            border-radius: 12px;
        }

        .login-card img {
            width: 150px;
        }

        .login-card h2 {
            font-size: 20px;
        }
    }

    .password-wrapper {
        position: relative;
    }

    .password-wrapper input {
        padding-right: 44px;
    }

    .toggle-password {
        position: absolute;
        right: 10px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        cursor: pointer;
        padding: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .toggle-password svg {
        width: 20px;
        height: 20px;
        fill: #6b7280;
        margin-bottom: 15px;
    }

    .toggle-password:hover svg {
        fill: #2563eb;
    }

    #eyeClosed {
        display: none;
    }

    .login-error {
        background: #fee2e2;
        color: #991b1b;
        border: 1px solid #fecaca;
        padding: 10px 14px;
        border-radius: 8px;
        font-size: 14px;
        margin-bottom: 18px;
        text-align: left;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .login-error::before {
        content: "⚠";
        font-size: 16px;
    }
